Harris County's 2026 population is estimated at 5,221,006, reflecting a 2.07% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Harris County is the largest county in Texas. The 2010 population was 4,107,542 and has grown 27.11% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.6 years
Female: 35.1 years
Male: 34 years
There are 3,585,232 adults, (567,148 of whom are seniors) in Harris County.
Female: 2,433,408 (50.3%)
Male: 2,404,895 (49.7%)
The racial composition of Harris County includes 34.44% White, 19% Black or African American, 13.96% other race, 7.35% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,666,127 | 34.44% |
| Two or more races | 1,168,103 | 24.14% |
| Black or African American | 919,291 | 19% |
| Other race | 675,377 | 13.96% |
| Asian | 355,427 | 7.35% |
| Native American | 49,729 | 1.03% |
| Native Hawaiian or Pacific Islander | 4,249 | 0.09% |
Harris County 's average per capita income is $49,154. Household income levels show a median of $74,983. The poverty rate stands at 16.25%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $114,138 | $157,316 |
| Families | $88,512 | $127,970 |
| Households | $74,983 | $111,429 |
| Non Families | $51,795 | $73,453 |
Average Income
Median Household Income
Poverty Rate