Brazoria County's 2026 population is estimated at 436,828, reflecting a 2.78% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Brazoria County is the 14th largest county in Texas. The 2010 population was 314,499 and has grown 38.9% since 2010.
Data after 2023 is projected based on recent change
Overall: 36.7 years
Female: 37.1 years
Male: 36.2 years
There are 291,185 adults, (50,224 of whom are seniors) in Brazoria County.
Female: 193,954 (49.6%)
Male: 197,301 (50.4%)
The racial composition of Brazoria County includes 47.74% White, 16.19% Black or African American, 7.43% Asian, 7.05% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 186,775 | 47.74% |
| Two or more races | 82,548 | 21.1% |
| Black or African American | 63,338 | 16.19% |
| Asian | 29,076 | 7.43% |
| Other race | 27,564 | 7.05% |
| Native American | 1,831 | 0.47% |
| Native Hawaiian or Pacific Islander | 123 | 0.03% |
Brazoria County 's average per capita income is $62,981. Household income levels show a median of $97,993. The poverty rate stands at 7.39%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $133,182 | $154,962 |
| Families | $114,938 | $137,630 |
| Households | $97,993 | $123,045 |
| Non Families | $55,964 | $73,635 |
Average Income
Median Household Income
Poverty Rate
