Contra Costa
County in California
County
The population development of Contra Costa.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|
| Contra Costa | County | 803,732 | 948,816 | 1,049,025 | 1,165,930 | → |
| California | State | 29,760,021 | 33,871,648 | 37,253,956 | 39,538,212 |
Contents: Places
The population development of the places in Contra Costa.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|---|
| Acalanes Ridge | Census-Designated Place | Contra Costa | 1,185 | 1,221 | 1,137 | 1,285 | → |
| Alamo | Census-Designated Place | Contra Costa | 10,614 | 10,477 | 14,570 | 15,314 | → |
| Alhambra Valley | Census-Designated Place | Contra Costa | 425 | 460 | 725 | 805 | → |
| Antioch | City | Contra Costa | 62,125 | 90,924 | 102,745 | 115,305 | → |
| Bay Point | Census-Designated Place | Contra Costa | 17,355 | 21,534 | 21,349 | 23,896 | → |
| Bayview | Census-Designated Place | Contra Costa | 1,584 | 1,745 | 1,754 | 1,782 | → |
| Bethel Island | Census-Designated Place | Contra Costa | 2,115 | 2,312 | 2,137 | 2,131 | → |
| Blackhawk | Census-Designated Place | Contra Costa | 2,869 | 6,743 | 9,354 | 9,637 | → |
| Brentwood | City | Contra Costa | 8,968 | 24,076 | 51,627 | 64,293 | → |
| Byron | Census-Designated Place | Contra Costa | 904 | 1,147 | 1,277 | 1,140 | → |
| Camino Tassajara | Census-Designated Place | Contra Costa | ... | ... | 2,197 | 4,951 | → |
| Castle Hill | Census-Designated Place | Contra Costa | 1,106 | 1,263 | 1,180 | 1,271 | → |
| Clayton | City | Contra Costa | 7,339 | 10,797 | 10,918 | 11,071 | → |
| Clyde | Census-Designated Place | Contra Costa | 517 | 694 | 678 | 729 | → |
| Concord | City | Contra Costa | 111,230 | 122,001 | 122,162 | 125,416 | → |
| Contra Costa Centre | Census-Designated Place | Contra Costa | 3,009 | 4,849 | 5,364 | 6,808 | → |
| Crockett | Census-Designated Place | Contra Costa | 2,960 | 2,814 | 3,094 | 3,242 | → |
| Danville | Town | Contra Costa | 31,331 | 41,765 | 41,871 | 43,573 | → |
| Diablo | Census-Designated Place | Contra Costa | 1,954 | 844 | 1,158 | 1,255 | → |
| Discovery Bay | Census-Designated Place | Contra Costa | 5,351 | 8,981 | 13,352 | 15,358 | → |
| East Richmond Heights | Census-Designated Place | Contra Costa | 3,266 | 3,357 | 3,280 | 3,460 | → |
| El Cerrito | City | Contra Costa | 22,875 | 23,069 | 23,598 | 25,955 | → |
| El Sobrante | Census-Designated Place | Contra Costa | 10,859 | 13,432 | 13,993 | 15,524 | → |
| Hercules | City | Contra Costa | 16,832 | 19,430 | 24,089 | 26,020 | → |
| Kensington | Census-Designated Place | Contra Costa | 4,696 | 4,936 | 5,077 | 5,428 | → |
| Knightsen | Census-Designated Place | Contra Costa | 1,132 | 1,384 | 1,568 | 1,596 | → |
| Lafayette | City | Contra Costa | 23,095 | 23,988 | 23,789 | 25,399 | → |
| Martinez | City | Contra Costa | 33,556 | 35,975 | 36,037 | 37,273 | → |
| Montalvin Manor | Census-Designated Place | Contra Costa | 2,404 | 3,259 | 2,876 | 3,099 | → |
| Moraga | Town | Contra Costa | 16,054 | 16,333 | 16,006 | 16,879 | → |
| Mountain View | Census-Designated Place | Contra Costa | 2,161 | 2,468 | 2,372 | 2,622 | → |
| Norris Canyon | Census-Designated Place | Contra Costa | 35 | 34 | 957 | 1,313 | → |
| North Gate | Census-Designated Place | Contra Costa | 400 | 440 | 679 | 667 | → |
| North Richmond | Census-Designated Place | Contra Costa | 2,228 | 2,896 | 3,717 | 4,175 | → |
| Oakley | City | Contra Costa | 17,146 | 25,726 | 35,421 | 43,353 | → |
| Orinda | City | Contra Costa | 16,766 | 17,425 | 17,759 | 19,505 | → |
| Pacheco | Census-Designated Place | Contra Costa | 3,325 | 3,562 | 3,685 | 4,183 | → |
| Pinole | City | Contra Costa | 17,150 | 19,310 | 18,330 | 19,025 | → |
| Pittsburg | City | Contra Costa | 47,741 | 56,795 | 63,266 | 76,409 | → |
| Pleasant Hill | City | Contra Costa | 31,689 | 32,432 | 33,075 | 34,628 | → |
| Port Costa | Census-Designated Place | Contra Costa | 56 | 161 | 190 | 190 | → |
| Reliez Valley | Census-Designated Place | Contra Costa | 2,924 | 2,586 | 3,101 | 3,354 | → |
| Richmond | City | Contra Costa | 85,976 | 99,250 | 103,337 | 116,324 | → |
| Rodeo | Census-Designated Place | Contra Costa | 8,221 | 8,114 | 8,679 | 9,653 | → |
| Rollingwood | Census-Designated Place | Contra Costa | 2,193 | 2,900 | 2,969 | 3,015 | → |
| San Miguel | Census-Designated Place | Contra Costa | 3,424 | 3,394 | 3,392 | 3,591 | → |
| San Pablo | City | Contra Costa | 25,051 | 30,106 | 29,505 | 32,120 | → |
| San Ramon | City | Contra Costa | 35,277 | 44,706 | 71,404 | 86,331 | → |
| Saranap | Census-Designated Place | Contra Costa | 4,619 | 5,078 | 5,202 | 5,830 | → |
| Shell Ridge | Census-Designated Place | Contra Costa | 1,031 | 892 | 959 | 1,014 | → |
| Tara Hills | Census-Designated Place | Contra Costa | 4,734 | 5,332 | 5,126 | 5,364 | → |
| Vine Hill | Census-Designated Place | Contra Costa | 2,466 | 2,473 | 3,761 | 4,323 | → |
| Walnut Creek | City | Contra Costa | 61,098 | 64,449 | 64,145 | 70,112 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.