McLennan County's 2026 population is estimated at 273,518, reflecting a 0.58% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). McLennan County is the 21st largest county in Texas. The 2010 population was 235,904 and has grown 15.94% since 2010.
Data after 2023 is projected based on recent change
Overall: 34 years
Female: 35.4 years
Male: 32.5 years
There are 202,331 adults, (40,771 of whom are seniors) in McLennan County.
Female: 135,480 (50.9%)
Male: 130,587 (49.1%)
The racial composition of McLennan County includes 58.74% White, 13.94% Black or African American, 3.92% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 156,288 | 58.74% |
| Two or more races | 56,439 | 21.21% |
| Black or African American | 37,090 | 13.94% |
| Other race | 10,429 | 3.92% |
| Asian | 4,595 | 1.73% |
| Native American | 1,097 | 0.41% |
| Native Hawaiian or Pacific Islander | 129 | 0.05% |
McLennan County 's average per capita income is $46,280. Household income levels show a median of $66,643. The poverty rate stands at 16.58%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $107,659 | $133,912 |
| Families | $86,544 | $113,022 |
| Households | $66,643 | $92,980 |
| Non Families | $35,635 | $51,101 |
Average Income
Median Household Income
Poverty Rate
