Gillespie County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 99th-largest in Texas
The population of Gillespie County, Texas is 27,202 as of the 2023 American Community Survey, making it the 99th-largest county in Texas. The median household income is $67,799, the median home value is $432,300, and the median age is 50.5.
The population of Gillespie County has grown 13.2% since 2010 (24,875 → 28,159), a +0.89% annualized rate.
27,202
Population
+0.89%
Annual growth
26
People / sq mi
$67,799
Median Income
$432,300
Median Home Value
Gillespie County covers 1,058 sq mi of land at 25.7 people per square mile.
About Gillespie County, TX
Gillespie County is a county in Texas with a population of 27,202. It ranks #99 among counties in Texas by population. The median age is 50.5, older than the national median. The population is 49.2% male and 50.8% female.
The median household income in Gillespie County is $67,799, below the US median of $74,580. 7.6% of residents live below the federal poverty level. Home values sit at a median of $432,300, with monthly rent averaging $1,331. The homeownership rate of 71.0% is higher than the national rate of 64.8%.
Educational attainment in Gillespie County reflects 35.3% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 10.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 22.0 minutes each way.
Gillespie County Population History (2010-2024)
The county of Gillespie County had a population of 24,875 in 2010 and 28,159 in 2024, a 13.2% growth over 14 years. The peak was 28,159 in 2024. Average annual growth rate: 0.89%.
28,159
Population (2024)
24,875
Population (2010)
28,159
Peak (2024)
0.89%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 24,875 |
| 2011 | 25,041 |
| 2012 | 25,177 |
| 2013 | 25,364 |
| 2014 | 25,476 |
| 2015 | 25,913 |
| 2016 | 26,225 |
| 2017 | 26,520 |
| 2018 | 26,706 |
| 2019 | 26,927 |
| 2020 | 26,766 |
| 2021 | 27,313 |
| 2022 | 27,572 |
| 2023 | 27,809 |
| 2024 | 28,159 |
Race & Ethnicity
| White | 84.9% |
| Black or African American | 0.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.0% |
Age & Sex
50.5
Median Age
50.8%
Female
49.2%
Male
29.7%
Age 65+
Age Distribution
Children (under 15): 15.6% · Seniors (65+): 29.7%
Income & Poverty
| Median household income | $67,799$-8,493 vs state |
| Mean household income | $101,721 |
| Per-capita income | $43,555 |
| Poverty rate | 7.6%-2.9% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 54.0% |
Top Industries by Employment
The largest employment sector in Gillespie County is professional & business services, accounting for 21.7% of workers.
How residents commute
0.3%
Drive alone
3.4%
Carpool
73.3%
Public transit
10.9%
Work from home
22.0 min
Avg commute
Housing
$432,300+$171,900 vs state
Median home value
$1,331
Median rent
71.0%
Homeownership rate
14,255
Total housing units
79.1%
Occupied
20.9%
Vacant
29.0%
Renter-occupied
Social & access
84.5%
With health insurance
93.6%
With broadband internet
24.6%
Foreign-born
8.7%
Veterans (18+)
15.0%
With a disability
85.0%
Speak language other than English at home
Education
89.3%
High School+
35.3%
Bachelor's+
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Frequently Asked Questions
Gillespie County, Texas has a population of 27,202 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 99th-largest county in Texas. Population density is 26 people per square mile.
The population of Gillespie County has grown 13.2% since 2010 (24,875 → 28,159), a +0.89% annualized rate.
The median household income in Gillespie County, Texas is $67,799, with mean (average) household income of $101,721 and per-capita income of $43,555. 7.6% of residents live below the federal poverty level.
In Gillespie County, the largest racial and ethnic groups are White (84.9%), Hispanic or Latino (2.0%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Gillespie County, Texas is 50.5 years. Residents are 50.8% female and 49.2% male.
The median home value in Gillespie County is $432,300 and median monthly rent is $1,331. 71.0% of occupied housing units are owner-occupied. The county has 14,255 total housing units, 20.9% of which are vacant.
The largest employment sector in Gillespie County, Texas is professional, scientific, and management services, employing 21.7% of workers. The unemployment rate is 2.2%.
Houston is among the largest cities associated with Gillespie County, Texas, with a population of 2,300,419.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.