States101
Contra Costa County, California Gender Ratios
Gender Ratio:
Men
Women
Total Population:
Men
Women
There are more women than men in Contra Costa County, California. Total population of Contra Costa County, California is estimated at 1,111,339 people with 541,705 male and 569,634 female. There are 27,929 more women than men in the county, which is 2.51% of the total population.
The Contra Costa County, California Gender Ratio is 95 men to 100 women (95:100) or 0.95. Contra Costa County, California's gender ratio is lower than the California State average of 99 men to 100 women (99:100) or 0.99. The gender ratio is also lower than the national average of 97 men to 100 women (97:100) or 0.97.
Contra Costa County, California Gender Ratios By Age
Gender Ratios vary by age group as well as location. The table below shows the gender ratios breakdown in Contra Costa County, California by age.
| Age Range | Contra Costa County Ratio | California State Ratio | Nationwide Ratio |
|---|---|---|---|
| 0 to 4 | 103 to 100 | 104 to 100 | 104 to 100 |
| 5 to 9 | 105 to 100 | 104 to 100 | 104 to 100 |
| 10 to 14 | 104 to 100 | 104 to 100 | 104 to 100 |
| 15 to 19 | 106 to 100 | 105 to 100 | 105 to 100 |
| 20 to 24 | 103 to 100 | 107 to 100 | 105 to 100 |
| 25 to 29 | 102 to 100 | 107 to 100 | 100 to 100 |
| 30 to 34 | 97 to 100 | 104 to 100 | 100 to 100 |
| 35 to 39 | 94 to 100 | 101 to 100 | 100 to 100 |
| 40 to 44 | 96 to 100 | 100 to 100 | 100 to 100 |
| 45 to 49 | 95 to 100 | 100 to 100 | 100 to 100 |
| 50 to 54 | 95 to 100 | 98 to 100 | 100 to 100 |
| 55 to 59 | 94 to 100 | 95 to 100 | 93 to 100 |
| 60 to 64 | 89 to 100 | 92 to 100 | 93 to 100 |
| 65 to 69 | 86 to 100 | 89 to 100 | 79 to 100 |
| 70 to 74 | 83 to 100 | 84 to 100 | 79 to 100 |
| 75 to 79 | 81 to 100 | 80 to 100 | 79 to 100 |
| 80 to 84 | 72 to 100 | 73 to 100 | 79 to 100 |
| 85 and over | 52 to 100 | 56 to 100 | 79 to 100 |
Cities in Contra Costa County, California
Gender Ratios on this page are an aggregate of the gender ratios in the following cities within the region:
Alamo, Antioch, Bethel Island, Brentwood, Byron, Canyon, Clayton, Concord, Crockett, Danville, Diablo, Discovery Bay, El Cerrito, El Sobrante, Hercules, Knightsen, Lafayette, Martinez, Moraga, Oakley, Orinda, Pinole, Pittsburg, Pleasant Hill, Port Costa, Richmond, Rodeo, San Pablo, San Ramon, and Walnut Creek.
Other acceptable city names that fall in this region include:
Bay Point, Blackhawk, Briones, Pacheco, Byron, Concord, Discovery Bay, Hilltop Mall, Richmond, N Richmond, North Richmond, Point Richmond, Pt Richmond, Richmond, Richmond, San Pablo, and Rodeo.