How many people live in Rockwall County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 137,000 people living in Rockwall County, TX. That makes Rockwall County the 36th-most populous county in Texas. It is home to 0.43% of people living in the state.
137K
population of Rockwall County, TX (2024)
0.43%
County share of the Texas population (2024)
About 137,000 people lived in Rockwall County, TX in 2024.
Population estimates, 2000–2024
What are Rockwall County, TX’s age demographics?
About 17,800 Rockwall County, TX residents are aged 65 and older in 2024. That represents 13% of its population. For comparison, the age group represents 14% of Texas's population and 18% in the US overall.
Another 35,600 Rockwall County residents, or 26% 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 Rockwall County, TX's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Rockwall County, TX’s racial and ethnic demographics?
Non-Hispanic white residents make up 60.7% of the Rockwall County, TX population, higher than the national share of 57.5%. Rockwall County, TX also has a larger share of people identifying as Hispanic (21.8%) than the US overall (20%).
In contrast, Rockwall County’s non-Hispanic Asian population accounts for 4.2%, below the 6.5% nationwide, and the non-Hispanic Black or African American population makes up 10.6% of the county, compared with 12.6% 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.
Rockwall 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 Rockwall County, TX is Rockwall with about 53,500 residents in 2024.
Cities and towns in Rockwall County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Rockwall | 53,547 |
| 2. | Fate | 27,467 |
| 3. | Royse City (pt.) | 17,694 |
| 4. | Heath (pt.) | 11,460 |
| 5. | Rowlett (pt.) | 8,446 |
| 6. | McLendon-Chisholm (pt.) | 5,291 |
| 7. | Wylie (pt.) | 1,634 |
| 8. | Mobile City | 169 |
| 9. | Dallas (pt.) | |
| 10. | Balance of Rockwall County | 11,336 |
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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.
