Gillespie County's estimated 2026 population is 28,928 with a growth rate of 1.41% in the past year according to the most recent United States census data. Gillespie County is the 98th largest county in Texas. The 2010 population was 24,875 and has seen a growth of 16.29% since that time.
Data after 2023 is projected based on recent change
Overall: 50.7 years
Female: 52.9 years
Male: 48.4 years
There are 22,174 adults, (8,301 of whom are seniors) in Gillespie County.
Female: 13,951 (50.7%)
Male: 13,573 (49.3%)
The racial composition of Gillespie County includes 81.91% White, 5.78% other race, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 22,545 | 81.91% |
| Two or more races | 3,017 | 10.96% |
| Other race | 1,591 | 5.78% |
| Native American | 124 | 0.45% |
| Asian | 116 | 0.42% |
| Black or African American | 86 | 0.31% |
| Native Hawaiian or Pacific Islander | 45 | 0.16% |
Gillespie County's average per capita income is $46,557. Household income levels show a median of $76,162. The poverty rate stands at 9.23%.
Name | Median | Mean |
|---|---|---|
| Married Families | $117,610 | - |
| Families | $103,633 | $140,036 |
| Households | $76,162 | $116,131 |
| Non Families | $41,774 | $61,125 |
Average Income
Median Household Income
Poverty Rate