Gillespie County, TX demographics:
population, income, and more

Total population
27,524
1.2% year-over-year change
Median household income
$76,162/yr
12.3% year-over-year change
Housing units
14,373
0.8% year-over-year change

Gillespie County population

How many people live in Gillespie County

Gillespie County is home to 27,524 residents, according to the most recent Census data. Gender-wise, 49.3% of Gillespie County locals are male, and 50.7% are female.

Total population
27,524
1.2% year-over-year change
Gender ratio
Male
49.3%
13,573
Female
50.7%
13,951
Value Percent YoY change
Male 13,573 49.3% 1.4%
Female 13,951 50.7% 0.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Gillespie County is 51, with the population distributed as follows: about 15.8% are children under 15, then 9.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.2% of the population, while another 24.8% fall into the 45 to 64 bracket. Finally, around 30.2% are 65 or older.

Median age
50.7
Age breakdown
Under 15
15.8%
15 to 24
9.1%
25 to 44
20.2%
45 to 64
24.8%
Over 65
30.2%
Value Percent YoY change
Under 15 4,344 15.8% 2.5%
15 to 24 2,497 9.1% -5.3%
25 to 44 5,549 20.2% 2.0%
45 to 64 6,833 24.8% 0.3%
Over 65 8,301 30.2% 2.8%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Gillespie County, 93.1% of the population are US-born citizens, while 3.3% have gained naturalized citizenship. At the same time, 3.6% of residents are non-citizens. As for race, 81.9% of locals are Caucasian, 0.3% are African American and 0.4% have Asian roots. Another 0.4% are Indigenous American, 0.2% are Pacific Islanders, while 5.8% identify as another race. There’s also a share of 11% that includes residents with two or more races.

Citizenship
U.S.-born citizens
93.1%
Non-U.S.-born citizens
3.3%
Non-citizens
3.6%
Value Percent YoY change
U.S.-born citizens 25,623 93.1% 1.9%
Non-U.S.-born citizens 907 3.3% -0.2%
Non-citizens 994 3.6% -13.1%
Racial breakdown
White
81.9%
Black or African American
0.3%
American Indian and Alaska Native
0.4%
Asian
0.4%
Native Hawaiian and other Pacific Islander
0.2%
Two or more races
11%
Other
5.8%
Value Percent
White 22,545 81.9%
Black or African American 86 0.3%
American Indian and Alaska Native 124 0.4%
Asian 116 0.4%
Native Hawaiian and other Pacific Islander 45 0.2%
Two or more races 3,017 11%
Other 1,591 5.8%

Households in Gillespie County

A peek inside Gillespie County households

Gillespie County has 11,513 households, with an average of 2 members in each. Of these, 68.2% are families, while the remaining 31.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
11,513
2.1% year-over-year change
Average people per household
2
Non-family households
3,658
Family households
7,855
Value Percent YoY change
Non-family households 3,658 31.8% -6.2%
Family households 7,855 68.2% 6.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Gillespie County

The housing landscape of Gillespie County

Gillespie County's housing consists of 14,373 units, with 73.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 15% of the housing landscape.

Housing units
14,373
0.8% year-over-year change
Housing types
Value Percent
1 unit, detached 10,550 73.4%
1 unit, attached 262 1.8%
2 units 117 0.8%
3 or 4 units 597 4.2%
5 to 9 units 260 1.8%
10 to 19 units 170 1.2%
20 to 49 units 105 0.7%
50 or more units 114 0.8%
Mobile home 2,155 15%
Boat, RV, van, etc. 43 0.3%
Homes built since 2020
574
85.2% year-over-year change

The age of buildings in Gillespie County

In Gillespie County, the median construction year is 1991. About 8.9% of homes were built before the 1940s, with another 2.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 18.1% of homes were added from 2000 to 2009, 15.2% between 2010 and 2019, and 4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,280 8.9% -18.8%
Built between 1940 and 1949 393 2.7% 25.6%
Built between 1950 and 1959 650 4.5% -3.7%
Built between 1960 and 1969 622 4.3% -15.7%
Built between 1970 and 1979 1,933 13.4% 5.0%
Built between 1980 and 1989 2,047 14.2% 11.2%
Built between 1990 and 1999 2,087 14.5% -5.9%
Built between 2000 and 2009 2,605 18.1% 4.1%
Built between 2010 and 2019 2,182 15.2% -2.7%
Built in 2020 or later 574 4% 85.2%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Gillespie County occupancy rates

Out of the 11,513 occupied housing units in Gillespie County, 74.9% are owner-occupied, while 25.1% are lived in by tenants. Meanwhile, 19.9% of all homes on the local market sit vacant.

Occupied housing units
11,513
2.1% year-over-year change
Occupancy breakdown
Renter occupied
2,889
Owner occupied
8,624
Value Percent YoY
change
Renter occupied 2,889 25.1% -11.6%
Owner occupied 8,624 74.9% 7.8%
Unoccupied housing units
19.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Gillespie County housing costs

Housing costs in Gillespie County come to a median of $1,245 per month, while tenants specifically pay a median gross rent of $1,340.

Median housing costs per month
$1,245/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Gillespie County
$1,340/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Gillespie County

Gillespie County education at a glance

About 32.6% of the population in Gillespie County went to high school, while 19% pursued college studies. Another 7.7% earned an associate degree and 22.3% hold a bachelor’s. Meanwhile, 13.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1,178 5.3% 3.9%
High school diploma 7,236 32.6% 2.4%
College diploma 4,207 19% -9.6%
Associate degree 1,712 7.7% -2.0%
Bachelor's degree 4,944 22.3% 6.8%
Graduate degree 2,897 13.1% 7.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Gillespie County

How much people earn in Gillespie County

The average annual household income in Gillespie County was $116,131 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +14.2% change from the previous year. At the same time, the median income stood at $76,162, reflecting a +12.3% shift over the same period.

Average household income in Gillespie County
$116,131/year
14.2% year-over-year change
Median household income in Gillespie County
$76,162/year
12.3% year-over-year change

Gillespie County income by age

In Gillespie County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $78,858. Those with someone between 45 and 64 in charge, often well established professionally, earn $98,071 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $42,371, while those led by someone over 65, many of whom may be retired, have about $65,909 in earnings. Overall, 90.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $42,371 -26.7%
25 - 44 $78,858 5.0%
45 - 64 $98,071 18.2%
Over 65 $65,909 15.6%
Above poverty level
24,461
Below poverty level
2,484
Value Percent YoY
change
Above poverty level 24,461 90.8% 1.6%
Below poverty level 2,484 9.2% -2.0%

Employment in Gillespie County

Workforce and job types in Gillespie County

The job market in Gillespie County is powered by 12,180 working residents, spread across a range of industries and roles. 82% of the working population are employed in professional or administrative positions, while 18% are in hands-on or service-based jobs. Also, 19.8% run their own businesses, 61% are employed by private companies, and 9.8% work in the public sector.

Workforce demographics

Working population
12,180
-0.4% year-over-year change
White collar
9,992
Blue collar
2,188
Value Percent YoY change
White collar 9,992 82% 1.2%
Blue collar 2,188 18% -7.0%
Employer type
Self employees
19.8%
Private companies
61%
Governmental workers
9.8%
Not for profit companies
9.4%
Value Percent YoY change
Self employees 2,405 19.8% 9.6%
Private companies 7,434 61% -1.6%
Governmental workers 1,192 9.8% -17.7%
Not for profit companies 1,149 9.4% 11.4%
Unemployment rate
2.7%
-30.0% year-over-year change

Available workforce

The unemployment rate in Gillespie County stands at 2.7%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Gillespie County

How people get around in Gillespie County

Commuting methods vary: 86.3% of residents travel by personal vehicle and 1.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 10,220 86.3% 0.3%
Bus or trolleybus 22 0.2% 69.2%
Bicycle 12 0.1% 71.4%
Walk 216 1.8% -47.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Gillespie County by zipcode?

Zipcode Population Number of households Median income Average income
78618 346 173 $81,528 $103,319
78624 23,741 10,052 $75,237 $117,959
78631 3,465 1,269 $78,560 $98,381
78028 41,206 17,911 $66,991 $92,255
78671 413 244 $61,200 $82,834
78675 102 57 $78,472 $62,995

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FAQs about Gillespie County demographics 

What is the total population of Gillespie County?

Gillespie County has a total population of 27,524 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.2% compared to a year ago.

What is the gender ratio in Gillespie County?

The gender ratio in Gillespie County is as follows:
  • 49.3% males (13,573 residents)
  • 50.7% females (13,951 residents)

What is the median age in Gillespie County?

The median age in Gillespie County is 50.7.

What is the age distribution of the population in Gillespie County?

The age distribution in Gillespie County is as follows:
  • Under 15: 15.8% (4,344 residents)
  • Ages 15-24: 9.1% (2,497 residents)
  • Ages 25-44: 20.2% (5,549 residents)
  • Ages 45-64: 24.8% (6,833 residents)
  • Over 65: 30.2% (8,301 residents)

What is the racial and ethnic makeup of Gillespie County?

The racial and ethnic makeup of Gillespie County is as follows:
  • White: 81.9% (22,545 residents)
  • Black or African American: 0.3% (86 residents)
  • American Indian and Alaska Native: 0.4% (124 residents)
  • Asian: 0.4% (116 residents)
  • Native Hawaiian and Other Pacific Islander: 0.2% (45 residents)
  • Two or More Races: 11% (3,017 residents)
  • Other: 5.8% (1,591 residents)

What percentage of the population in Gillespie County are U.S.-born citizens?

U.S.-born citizens represent 93.1% of the population in Gillespie County.

How many housing units are there in Gillespie County?

There are 14,373 housing units in Gillespie County, reflecting a +0.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Gillespie County and what is the average household size?

Gillespie County has a total of 11,513 households, with an average of 2 people in each.

What is the median household income in Gillespie County?

Gillespie County has a median household income of $76,162, representing a +12.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Gillespie County?

The employment rate is 97.3% in Gillespie County, with a workforce of 12,180 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 82% (9,992 residents)
  • Blue-collar workers: 18% (2,188 residents)

Places of employment:
  • Self-employed: 19.8% (2,405 residents)
  • Private companies: 61% (7,434 residents)
  • Governmental workers: 9.8% (1,192 residents)
  • Not-for-profit companies: 9.4% (1,149 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025