Galveston County's 2026 population is estimated at 377,049, reflecting a 1.3% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Galveston County is the 16th largest county in Texas. The 2010 population was 292,492 and has grown 28.91% since 2010.
Data after 2023 is projected based on recent change
Overall: 38.8 years
Female: 39.6 years
Male: 38 years
There are 274,306 adults, (56,604 of whom are seniors) in Galveston County.
Female: 181,882 (50.7%)
Male: 177,108 (49.3%)
The racial composition of Galveston County includes 60.33% White, 12.29% Black or African American, 5% other race, 3.4% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 216,591 | 60.33% |
| Two or more races | 65,884 | 18.35% |
| Black or African American | 44,109 | 12.29% |
| Other race | 17,948 | 5% |
| Asian | 12,211 | 3.4% |
| Native American | 1,950 | 0.54% |
| Native Hawaiian or Pacific Islander | 297 | 0.08% |
Galveston County 's average per capita income is $59,907. Household income levels show a median of $86,105. The poverty rate stands at 11.71%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $128,759 | $154,458 |
| Families | $110,721 | $137,007 |
| Households | $86,105 | $114,254 |
| Non Families | $45,390 | $63,239 |
Average Income
Median Household Income
Poverty Rate
