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 | Population Estimate 2023-07-01 | |
|---|---|---|---|---|---|---|---|
| Contra Costa | County | 803,732 | 948,816 | 1,049,025 | 1,165,930 | 1,155,025 | → |
| California | State | 29,760,021 | 33,871,648 | 37,253,956 | 39,538,212 | 38,965,193 |
Contents: Incorporated Places
The population development of the incorporated 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 | Population Estimate 2023-07-01 | |
|---|---|---|---|---|---|---|---|---|
| Antioch | City | Contra Costa | 62,125 | 90,924 | 102,745 | 115,305 | 117,096 | → |
| Brentwood | City | Contra Costa | 8,968 | 24,076 | 51,627 | 64,293 | 65,126 | → |
| Clayton | City | Contra Costa | 7,339 | 10,797 | 10,918 | 11,071 | 10,754 | → |
| Concord | City | Contra Costa | 111,230 | 122,001 | 122,162 | 125,416 | 122,315 | → |
| Danville | Town | Contra Costa | 31,331 | 41,765 | 41,871 | 43,573 | 42,999 | → |
| El Cerrito | City | Contra Costa | 22,875 | 23,069 | 23,598 | 25,955 | 25,552 | → |
| Hercules | City | Contra Costa | 16,832 | 19,430 | 24,089 | 26,020 | 26,582 | → |
| Lafayette | City | Contra Costa | 23,095 | 23,988 | 23,789 | 25,399 | 25,048 | → |
| Martinez | City | Contra Costa | 33,556 | 35,975 | 36,037 | 37,273 | 36,395 | → |
| Moraga | Town | Contra Costa | 16,054 | 16,333 | 16,006 | 16,879 | 16,547 | → |
| Oakley | City | Contra Costa | 17,146 | 25,726 | 35,421 | 43,353 | 45,761 | → |
| Orinda | City | Contra Costa | 16,766 | 17,425 | 17,759 | 19,505 | 19,364 | → |
| Pinole | City | Contra Costa | 17,150 | 19,310 | 18,330 | 19,025 | 18,481 | → |
| Pittsburg | City | Contra Costa | 47,741 | 56,795 | 63,266 | 76,409 | 75,803 | → |
| Pleasant Hill | City | Contra Costa | 31,689 | 32,432 | 33,075 | 34,628 | 33,802 | → |
| Richmond | City | Contra Costa | 85,976 | 99,250 | 103,337 | 116,324 | 114,106 | → |
| San Pablo | City | Contra Costa | 25,051 | 30,106 | 29,505 | 32,120 | 31,249 | → |
| San Ramon | City | Contra Costa | 35,277 | 44,706 | 71,404 | 86,331 | 84,929 | → |
| Walnut Creek | City | Contra Costa | 61,098 | 64,449 | 64,145 | 70,112 | 69,152 | → |
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.