McMullen County's estimated 2026 population is 537 with a growth rate of -2.54% in the past year according to the most recent United States census data. McMullen County is the 250th largest county in Texas. The 2010 population was 711 and has seen a growth of -24.47% since that time.
Data after 2023 is projected based on recent change
The racial composition of McMullen County includes 61.64% White, 5.62% other race, and smaller percentages for Native American and multiracial populations.
White (61.64%)
Two or more races (32.1%)
Other race (5.62%)
Native American (0.64%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 384 | 61.64% |
| Two or more races | 200 | 32.1% |
| Other race | 35 | 5.62% |
| Native American | 4 | 0.64% |
Married
Widowed
Divorced
Separated
Never Married
McMullen County's average per capita income is $37,727. Household income levels show a median of $45,833. The poverty rate stands at 9.15%.
Name | Median | Mean |
|---|---|---|
| Married Families | $71,667 | - |
| Families | $57,188 | $85,710 |
| Households | $45,833 | $71,042 |
| Non Families | $22,083 | $26,277 |
Average Income
Median Household Income
Poverty Rate
