Gillespie County's estimated 2026 population is 28,859 with a growth rate of 1.23% 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 16.02% since that time.
Data after 2023 is projected based on recent change
The racial composition of Gillespie County includes 84.85% White, 4.71% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White (84.85%)
Two or more races (8.82%)
Other race (4.71%)
Native American (0.56%)
Black or African American (0.45%)
Asian (0.33%)
Native Hawaiian or Pacific Islander (0.28%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 23,081 | 84.85% |
| Two or more races | 2,399 | 8.82% |
| Other race | 1,280 | 4.71% |
| Native American | 151 | 0.56% |
| Black or African American | 123 | 0.45% |
| Asian | 91 | 0.33% |
| Native Hawaiian or Pacific Islander | 77 | 0.28% |
Married
Widowed
Divorced
Separated
Never Married
Gillespie County's average per capita income is $41,958. Household income levels show a median of $67,799. The poverty rate stands at 9.49%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,065 | - |
| Families | $93,583 | $127,835 |
| Households | $67,799 | $101,721 |
| Non Families | $37,638 | $51,028 |
Average Income
Median Household Income
Poverty Rate