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475:, and emigrated to the United States in 1837. After years in other states he settled down with his wife Margaret (1820–1908) at his town at the foot of Mount Diablo, where he and his family prospered. Clayton was named after Joel Henry Clayton, although only by the flip of a coin. Joel Clayton and Charles Rhine cofounded the town, and each wanted to name it after himself. If Charles had won it would have become Rhinesville, but Joel Clayton won. Joel and his wife Margaret both died in Clayton, and were buried in Live Oak Cemetery in what is now
45:
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After steady expansion during the 1970s to the east and west from its original boundaries, Clayton's land area more than doubled in 1987 to near its present-day boundaries with the annexations of the Dana Hills/Dana Ridge and
Clayton Wood subdivisions, as well as the former Keller Ranch property that was developed during the 1990s with the Oakhurst Country Club.
497:
On
September 8, 2013, fire broke out on Mount Diablo. Called the Morgan Fire, it started at the mercury mine area of Morgan Territory Road. The fire grew quickly and threatened homes and livestock. Evacuations were ordered for several areas, including Oak Hill Lane and Curry Canyon. It took over 1000
1285:
There were 4,086 housing units at an average density of 1,065.2 units per square mile (411.3 units/km), of which 4,006 were occupied, of which 3,621 (90.4%) were owner-occupied, and 385 (9.6%) were occupied by renters. The homeowner vacancy rate was 0.7%; the rental vacancy rate was 3.8%. 9,936
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The population was spread out, with 2,662 people (24.4%) under the age of 18, 602 people (5.5%) aged 18 to 24, 2,185 people (20.1%) aged 25 to 44, 3,846 people (35.3%) aged 45 to 64, and 1,602 people (14.7%) who were 65 years of age or older. The median age was 45.0 years. For every 100 females,
482:
Clayton prospered during the coal mining boom in eastern Contra Costa County. The post office opened in 1861. Following a previous incorporation attempt in 1960, Clayton incorporated in 1964 in order to stave off an annexation attempt in 1963 of the
Cardinet Glen neighborhood by nearby Concord.
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The public schools which the K-12 students of
Clayton attend include: Mt. Diablo Elementary School, Highlands Elementary School, Diablo View Middle School, Pine Hollow Middle School, and Clayton Valley Charter High School.
501:
On July 25, 2018, a vegetation fire broke out on Marsh Creek Rd near Morgan
Territory. One home and 3 out buildings were destroyed. Evacuations were ordered for that evening. By July 28 the fire was 100% contained.
60:
1274:. 647 households (16.2%) were made up of individuals, and 310 (7.7%) had someone living alone who was 65 years of age or older. The average household size was 2.72. There were 3,208
1259:
The Census reported that 10,887 people (99.9% of the population) lived in households, 10 (0.1%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
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reported that
Clayton had a population of 10,897. The population density was 2,840.7 inhabitants per square mile (1,096.8/km). The racial makeup of Clayton was 9,273 (85.1%)
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firefighters and eight aircraft to extinguish it. Full containment was announced on
September 14, 2013, having burned 3,100 acres (4.8 sq mi; 1,300 ha).
2913:
505:
On August 16, 2020, Lightning strikes caused many fires across the state, one of which was another Morgan Fire which became part of the SCU Lightning
Complex fires.
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living together, 301 (7.5%) had a female householder with no husband present, 112 (2.8%) had a male householder with no wife present. There were 136 (3.4%)
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In 1857, the town of
Clayton was laid out and founded by Joel Henry Clayton (1812–1872) and his two younger brothers. Clayton was born in Bugsworth, now
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Source: Western
Regional Climate Center (temperature & precipitation days, 1991-present), PRISM Climate Group (precipitation, 1981-2010)
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people (91.2% of the population) lived in owner-occupied housing units and 951 people (8.7%) lived in rental housing units.
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There were 4,006 households, out of which 1,455 (36.3%) had children under the age of 18 living in them, 2,795 (69.8%) were
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1339:, and is also served by Claycord.com, a conservative local news platform and blog covering community news and events.
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2017:
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Wildfires have been a common occurrence in recent years as California had a major drought from
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On December 7, 2009, snow fell in Clayton and Concord for the first time since the 1970s.
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there were 93.4 males. For every 100 females age 18 and over, there were 90.3 males.
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California's Geographic Names: A Gazetteer of Historic and Modern Names of the State
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1504:"California's 10th Congressional District - Representatives & District Map"
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U.S. Geological Survey Geographic Names Information System: Clayton, California
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U.S. Geological Survey Geographic Names Information System: Clayton, California
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517:, the city has a total area of 3.8 square miles (9.8 km), all land.
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1042: in this section. Unsourced material may be challenged and removed.
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1716:"2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Contra Costa County, CA"
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1833:"CA Secretary of State – Report of Registration – February 10, 2019"
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1923:
1807:"2010 Census Interactive Population Search: CA - Clayton city"
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This region experiences hot and dry summers. According to the
1278:(80.1% of all households); the average family size was 3.04.
356:
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1327:
published by Bay Area News Group-East Bay (part of the
65:
Location of Clayton in Contra Costa County, California.
455:, United States. The population was 11,585 as of the
1892:
1744:"MDUSD Schools - Mt. Diablo Unified School District"
1584:. Clovis, Calif.: Word Dancer Press. p. 617.
1518:
1861:"Claycord.com focuses on nitty-gritty local news"
1331:, Denver, Colorado), and by the local newspapers
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1647:. My.ktvu.com. December 7, 2009. Archived from
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1956:
1645:"Photo from local newstation KTVU Channel 2"
296:0.00 sq mi (0.00 km) 0%
3459:Incorporated cities and towns in California
1318:The city of Clayton is served by the daily
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1970:
1963:
1949:
1928:
1705:Input coordinates: 37.9414 N, -121.9354 W.
3449:Cities in Contra Costa County, California
1405:"California Cities by Incorporation Date"
1248:, and 477 (4.4%) from two or more races.
1058:Learn how and when to remove this message
1272:same-sex married couples or partnerships
1633:Climate Summary for Clayton, California
83:
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1944:
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1256:of any race were 982 persons (9.0%).
550:Climate data for Clayton, California
540:, abbreviated "Csb" on climate maps.
3464:Populated places established in 1857
3454:Cities in the San Francisco Bay Area
1809:. U.S. Census Bureau. Archived from
1663:
1072:Mount Diablo Unified School District
1040:adding citations to reliable sources
1011:
1567:from the Clayton Historical Society
1268:unmarried opposite-sex partnerships
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288:3.84 sq mi (9.95 km)
280:3.84 sq mi (9.95 km)
13:
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2922:Municipalities and communities of
1936:Clayton Historical Society website
1785:"Census of Population and Housing"
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1409:Local Agency Formation Commissions
1107:
520:Clayton is located at the foot of
14:
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3469:1857 establishments in California
1888:
1673:. Western Regional Climate Center
1606:"Morgan Fire General Information"
1342:
538:warm-summer Mediterranean climate
325:2,882.81/sq mi (1,113.09/km)
21:City in California, United States
16:City in California, United States
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2925:Contra Costa County, California
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1302:, 2,685 (33.2%) are registered
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1027:needs additional citations for
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1090:system is located in Clayton.
49:Parts of Clayton as seen from
1:
1903:San Francisco Bay Area portal
1774:. Retrieved on April 1, 2010.
1528:. United States Census Bureau
1391:
1296:California Secretary of State
534:Köppen Climate Classification
96:Location in the United States
1918:travel guide from Wikivoyage
1407:. California Association of
1264:opposite-sex married couples
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7:
1772:Contra Costa County Library
1526:"2020 U.S. Gazetteer Files"
1289:
1088:Contra Costa County Library
953:Average precipitation days
739:Mean daily minimum °F (°C)
669:Mean daily maximum °F (°C)
515:United States Census Bureau
10:
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3273:Blackhawk-Camino Tassajara
2819:Tamalpais-Homestead Valley
1086:The Clayton branch of the
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1695:. Oregon State University
1580:Durham, David L. (1998).
1306:, and 1,888 (23.4%) have
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304:394 ft (120 m)
3068:Contra Costa County map
2845:San Francisco Peninsula
1620:"Marsh Creek Fire 2018"
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1972:San Francisco Bay Area
1563:July 25, 2011, at the
1438:"Clayton City Council"
536:system, Clayton has a
124:37.94111°N 121.93583°W
3160:East Richmond Heights
3067:
2048:Richmond Inner Harbor
1693:"PRISM Climate Group"
1484:. State of California
1462:. State of California
1214:U.S. Decennial Census
1099:Historical population
348: • Summer (
3427:United States portal
1916:Clayton (California)
1506:. Civic Impulse, LLC
1036:improve this article
599:Record high °F (°C)
322: • Density
129:37.94111; -121.93583
3140:Contra Costa Centre
2377:South San Francisco
1418:on November 3, 2014
1369:, basketball player
1333:The Clayton Pioneer
1310:a political party.
1100:
809:Record low °F (°C)
449:Contra Costa County
238:State Assembly
120: /
3070:
2850:Santa Clara Valley
1723:U.S. Census Bureau
1482:"Members Assembly"
1244:, 234 (2.1%) from
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314: • Total
293: • Water
277: • Total
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3420:California portal
3268:Bayview-Montalvin
2889:
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2063:San Francisco Bay
1651:on March 20, 2012
1440:. City of Clayton
1387:, football player
1375:, football player
1357:, baseball player
1308:declined to state
1294:According to the
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285: • Land
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1993:Carquinez Strait
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1411:. Archived from
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1363:, fantasy author
1351:, sports analyst
1329:Media News Group
1270:, and 36 (0.9%)
1242:Pacific Islander
1230:African American
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3085:Acalanes Ridge
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2043:Richardson Bay
2040:
2038:Petaluma River
2035:
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2025:
2023:Lake Berryessa
2020:
2015:
2010:
2005:
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1889:External links
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1558:"Joel Clayton"
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1343:Notable people
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1337:Diablo Gazette
1324:East Bay Times
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3366:Giant (Nitro)
3364:
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3218:
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3215:Reliez Valley
3213:
3211:
3208:
3206:
3203:
3201:
3198:
3196:
3193:
3191:
3190:Norris Canyon
3188:
3186:
3185:Mountain View
3183:
3181:
3178:
3176:
3173:
3171:
3168:
3166:
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3155:Discovery Bay
3153:
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3141:
3138:
3136:
3133:
3131:
3128:
3126:
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3110:Bethel Island
3108:
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3035:Pleasant Hill
3033:
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2789:Discovery Bay
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2779:Castro Valley
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2493:Pleasant Hill
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2185:San Francisco
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2133:San Francisco
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2053:Russian River
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2019:
2018:Half Moon Bay
2016:
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1748:www.mdusd.org
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1255:
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1247:
1243:
1239:
1236:, 717 (6.6%)
1235:
1231:
1228:, 146 (1.3%)
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1070:It is in the
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1025:This section
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881:precipitation
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254: •
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220:State Senator
218: •
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207: •
205:
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184:
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154:United States
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138:
133:
105:Coordinates:
103:
78:
69:
62:
57:
52:
46:
41:
37:
32:
25:
19:
3401:West Hartley
3396:Stewartville
3386:Port Chicago
3055:Walnut Creek
2974:
2944:
2866:Homelessness
2695:Monte Sereno
2584:Hillsborough
2559:Corte Madera
2553:
2498:Rohnert Park
2387:Walnut Creek
2357:Redwood City
2173:Major cities
2118:Contra Costa
2078:Sonoma Creek
1870:February 22,
1868:. Retrieved
1864:
1855:
1843:. Retrieved
1839:
1827:
1815:. Retrieved
1811:the original
1801:
1789:. Retrieved
1787:. Census.gov
1779:
1763:
1751:. Retrieved
1747:
1738:
1728:December 25,
1726:. Retrieved
1710:
1697:. Retrieved
1687:
1675:. Retrieved
1665:
1653:. Retrieved
1649:the original
1639:
1628:
1614:
1600:
1581:
1553:
1542:
1530:. Retrieved
1520:
1508:. Retrieved
1498:
1486:. Retrieved
1476:
1464:. Retrieved
1454:
1442:. Retrieved
1432:
1420:. Retrieved
1413:the original
1399:
1373:Sam Williams
1361:Brandon Mull
1349:Sean Farnham
1336:
1332:
1322:
1317:
1293:
1284:
1280:
1261:
1258:
1240:, 16 (0.1%)
1232:, 34 (0.3%)
1219:
1094:Demographics
1085:
1076:
1069:
1054:
1045:
1034:Please help
1029:verification
1026:
883:inches (mm)
542:
531:
519:
512:
504:
500:
496:
490:
481:
466:
445:Claytonville
444:
440:
436:
435:
225:Steve Glazer
213:Julie Pierce
193:Incorporated
186:Contra Costa
18:
3391:Somersville
3376:Nortonville
3371:Judsonville
3353:Ghost towns
3290:communities
3260:Former CDPs
3240:Shell Ridge
3225:Rollingwood
3165:El Sobrante
3130:Castle Hill
2940:County seat
2828:Sub-regions
2809:San Lorenzo
2794:El Sobrante
2629:San Anselmo
2594:Mill Valley
2523:Suisun City
2473:Morgan Hill
2438:Foster City
2362:San Leandro
2251:Santa Clara
2143:Santa Clara
2088:Tomales Bay
2008:Grizzly Bay
2003:Golden Gate
1532:October 30,
1379:Kara Kohler
1304:Republicans
1246:other races
955:(≥ 0.01 in)
457:2020 census
401:feature IDs
243:Tim Grayson
127: /
115:121°56′09″W
3443:Categories
3245:Tara Hills
3230:San Miguel
3210:Port Costa
3195:North Gate
3170:Kensington
2990:El Cerrito
2784:Cherryland
2735:Yountville
2720:Sebastopol
2710:St. Helena
2670:Cloverdale
2579:Healdsburg
2569:Emeryville
2508:San Carlos
2468:Menlo Park
2433:El Cerrito
2413:Burlingame
2382:Union City
2367:San Rafael
2352:Pleasanton
2256:Santa Rosa
2083:Suisun Bay
2028:Napa River
1988:Bodega Bay
1865:sfgate.com
1460:"Senators"
1392:References
1335:, and the
1048:April 2010
522:Mt. Diablo
493:2011-2017.
453:California
439:(formerly
309:Population
202:Government
174:California
112:37°56′28″N
51:Mt. Diablo
3406:Winehaven
3333:Tassajara
3250:Vine Hill
3175:Knightsen
3115:Blackhawk
3100:Bay Point
3050:San Ramon
3045:San Pablo
3030:Pittsburg
3000:Lafayette
2970:Brentwood
2840:North Bay
2774:Bay Point
2764:Alum Rock
2715:Sausalito
2665:Calistoga
2655:Belvedere
2643:Under 10k
2624:Rio Vista
2513:San Pablo
2503:San Bruno
2458:Los Gatos
2453:Los Altos
2448:Lafayette
2372:San Ramon
2347:Pittsburg
2337:Palo Alto
2312:Livermore
2297:Cupertino
2292:Brentwood
2266:Vacaville
2261:Sunnyvale
2246:San Mateo
2226:Fairfield
2221:Daly City
2199:100k–250k
2138:San Mateo
1979:Bodies of
1845:March 12,
1699:April 23,
1677:April 23,
1655:March 24,
1488:March 21,
1466:March 21,
1444:March 27,
1422:March 26,
1355:Bob Jones
1320:newspaper
1300:Democrats
1008:Education
509:Geography
471:, in the
441:Clayton's
389:FIPS code
377:Area code
331:Time zone
301:Elevation
3303:Cornwall
3145:Crockett
3040:Richmond
3005:Martinez
2995:Hercules
2985:Danville
2947:Martinez
2871:Politics
2835:East Bay
2814:Stanford
2799:Fairview
2752:over 10k
2730:Woodside
2660:Brisbane
2650:Atherton
2614:Piedmont
2599:Millbrae
2589:Larkspur
2518:Saratoga
2488:Pacifica
2463:Martinez
2443:Hercules
2423:Danville
2418:Campbell
2342:Petaluma
2317:Milpitas
2280:50k–100k
2241:Richmond
2211:Berkeley
2190:San Jose
2106:Counties
1817:July 12,
1753:April 4,
1561:Archived
1510:March 9,
1290:Politics
1276:families
1250:Hispanic
879:Average
469:Buxworth
424:.clayton
393:06-13882
365:ZIP code
3308:Nichols
3235:Saranap
3205:Pacheco
3105:Bayview
2980:Concord
2975:Clayton
2965:Antioch
2769:Ashland
2725:Tiburon
2685:Fairfax
2554:Clayton
2537:10k–25k
2528:Windsor
2408:Benicia
2403:Belmont
2396:25k–50k
2287:Alameda
2271:Vallejo
2236:Hayward
2231:Fremont
2216:Concord
2206:Antioch
2180:Oakland
2113:Alameda
1791:June 4,
918:(0.51)
784:(10.1)
779:(13.6)
774:(14.4)
769:(13.1)
734:(20.7)
729:(12.6)
724:(16.5)
719:(21.8)
714:(29.6)
709:(31.6)
704:(32.6)
699:(29.1)
694:(24.2)
689:(19.5)
684:(15.6)
679:(14.1)
674:(12.3)
528:Climate
477:Concord
463:History
437:Clayton
415:Website
409:2409474
141:Country
3361:Eckley
3343:Valona
3338:Tormey
3298:Canyon
3278:Waldon
3150:Diablo
3025:Pinole
3020:Orinda
3015:Oakley
3010:Moraga
2876:Sports
2680:Cotati
2634:Sonoma
2619:Pinole
2609:Orinda
2604:Moraga
2544:Albany
2483:Oakley
2478:Newark
2332:Novato
2307:Gilroy
2302:Dublin
2162:Cities
2153:Sonoma
2148:Solano
1840:ca.gov
1588:
1416:(Word)
1254:Latino
1204:11,070
1189:10,897
1174:10,762
1149:212.3%
1104:Census
948:(511)
928:(4.3)
923:(1.3)
913:(3.6)
888:(102)
804:(7.9)
799:(2.4)
794:(4.3)
789:(8.3)
764:(9.4)
759:(7.0)
754:(4.3)
749:(2.9)
744:(1.7)
555:Month
479:, CA.
405:277488
317:11,070
263: (
245: (
227: (
181:County
171:
151:
3328:Stege
3323:Selby
3318:Rheem
3313:Oleum
3220:Rodeo
3135:Clyde
3120:Byron
3090:Alamo
2859:Other
2759:Alamo
2675:Colma
2564:Dixon
2166:towns
2123:Marin
1981:water
1836:(PDF)
1719:(PDF)
1314:Media
1238:Asian
1226:White
1179:47.1%
1164:69.2%
1159:7,317
1144:4,325
1129:1,385
946:20.12
943:(92)
938:(61)
933:(26)
908:(18)
903:(31)
898:(74)
893:(98)
874:(−9)
869:(−8)
864:(−4)
859:(−1)
834:(−1)
829:(−2)
824:(−3)
819:(−5)
814:(−9)
664:(44)
659:(25)
654:(28)
649:(38)
644:(46)
639:(42)
634:(41)
629:(40)
624:(37)
619:(35)
614:(29)
609:(27)
604:(24)
594:Year
487:Fires
370:94517
359:(PDT)
357:UTC-7
336:UTC-8
209:Mayor
161:State
3077:CDPs
2749:CDPs
2705:Ross
2327:Napa
2128:Napa
1872:2022
1847:2019
1819:2014
1793:2015
1755:2024
1730:2022
1701:2020
1679:2020
1657:2012
1586:ISBN
1534:2021
1512:2013
1490:2013
1468:2013
1446:2013
1424:2013
1220:The
1209:1.6%
1200:2020
1194:1.3%
1185:2010
1170:2000
1155:1990
1140:1980
1125:1970
1113:Note
1108:Pop.
941:3.61
936:2.39
931:1.02
926:0.17
921:0.05
916:0.02
911:0.14
906:0.69
901:1.24
896:2.91
891:3.87
886:4.02
854:(3)
849:(5)
844:(4)
839:(3)
802:46.3
797:36.3
792:39.8
787:46.9
782:50.2
777:56.4
772:58.0
767:55.6
762:48.9
757:44.6
752:39.8
747:37.2
742:35.0
732:69.3
727:54.7
722:61.7
717:71.2
712:85.2
707:88.8
702:90.6
697:84.3
692:75.5
687:67.1
682:60.1
677:57.4
672:54.2
591:Dec
588:Nov
585:Oct
582:Sep
579:Aug
576:Jul
573:Jun
570:May
567:Apr
564:Mar
561:Feb
558:Jan
443:and
399:GNIS
272:Area
36:City
2164:and
1252:or
1038:by
995:59
992:10
962:11
959:11
662:112
647:101
642:115
637:108
632:106
627:104
428:.us
426:.ca
422:.ci
420:www
382:925
350:DST
340:PST
3445::
2943::
2928:,
1863:.
1838:.
1770:.
1746:.
1721:.
1572:^
1118:%±
1074:.
989:6
986:3
983:1
980:0
977:0
974:1
971:4
968:6
965:8
872:15
867:17
862:24
857:31
852:37
847:41
842:40
837:38
832:31
827:28
822:26
817:23
812:15
657:77
652:83
622:98
617:95
612:85
607:80
602:75
524:.
459:.
451:,
407:,
2915:e
2908:t
2901:v
1964:e
1957:t
1950:v
1874:.
1849:.
1821:.
1795:.
1757:.
1732:.
1703:.
1681:.
1659:.
1622:.
1608:.
1594:.
1536:.
1514:.
1492:.
1470:.
1448:.
1426:.
1134:—
1061:)
1055:(
1050:)
1046:(
1032:.
352:)
342:)
338:(
267:)
265:D
249:)
247:D
231:)
229:D
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