How many people live in Hays County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 292,000 people living in Hays County, TX. That makes Hays County the 19th-most populous county in Texas. It is home to 0.92% of people living in the state.
292K
population of Hays County, TX (2024)
0.92%
County share of the Texas population (2024)
About 292,000 people lived in Hays County, TX in 2024.
Population estimates, 2000–2024
What are Hays County, TX’s age demographics?
About 36,900 Hays County, TX residents are aged 65 and older in 2024. That represents 12.6% of its population. For comparison, the age group represents 14% of Texas's population and 18% in the US overall.
Another 64,100 Hays County residents, or 21.9% of the population, were children under 18. For comparison, the age group represents 24.6% of Texas’s population and 21.6% in the US overall.
A lower share of Hays County, TX's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Hays County, TX’s racial and ethnic demographics?
Hispanic residents make up 40.3% of the Hays County, TX population, higher than the national share of 20%.
In contrast, Hays County’s non-Hispanic Black or African American population accounts for 4.3%, below the 12.6% nationwide, and the non-Hispanic white population makes up 50.6% of the county, compared with 57.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Hays County, TX has a higher share of a non-Hispanic white population than Texas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Hays County, TX is San Marcos with about 74,300 residents in 2024.
Cities and towns in Hays County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | San Marcos (pt.) | 74,316 |
| 2. | Kyle | 65,833 |
| 3. | Buda | 16,090 |
| 4. | Dripping Springs | 10,165 |
| 5. | Wimberley | 2,889 |
| 6. | Woodcreek | 1,886 |
| 7. | Uhland (pt.) | 1,227 |
| 8. | Austin (pt.) | 1,067 |
| 9. | Mountain City | 676 |
| 10. | Niederwald (pt.) | 565 |
Keep exploring
Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
