McMullen County's estimated 2026 population is 530 with a growth rate of -2.57% in the past year according to the most recent United States census data. McMullen County is the 251st largest county in Texas. The 2010 population was 711 and has seen a growth of -25.46% since that time.
Data after 2023 is projected based on recent change
Overall: 31.8 years
Female: 19.2 years
Male: 37.4 years
There are 421 adults, (121 of whom are seniors) in McMullen County.
Female: 424 (60.6%)
Male: 276 (39.4%)
The racial composition of McMullen County includes 43.71% White, 7.14% other race, and smaller percentages for Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| Two or more races | 341 | 48.71% |
| White | 306 | 43.71% |
| Other race | 50 | 7.14% |
| Native American | 3 | 0.43% |
McMullen County's average per capita income is $36,283. Household income levels show a median of $43,875. The poverty rate stands at 12.29%.
Name | Median | Mean |
|---|---|---|
| Families | $45,250 | $75,899 |
| Households | $43,875 | $69,640 |
| Non Families | $32,083 | $33,441 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate