Rockwall County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 39th-largest in Texas
The population of Rockwall County, Texas is 116,931 as of the 2023 American Community Survey, making it the 39th-largest county in Texas. The median household income is $124,917, the median home value is $386,000, and the median age is 37.6.
The population of Rockwall County has grown 73.5% since 2010 (78,971 → 137,044), a +4.02% annualized rate.
116,931
Population
+4.02%
Annual growth
919
People / sq mi
$124,917
Median Income
$386,000
Median Home Value
Rockwall County covers 127 sq mi of land at 919.2 people per square mile.
About Rockwall County, TX
Among US counties, Rockwall County stands out first on household income: a median of $124,917, above the US median of $78,538. Rockwall County is a county in Texas with a population of 116,931. It ranks #39 among counties in Texas by population.
Earnings sit at the high end: a median household income of $124,917, above the US median of $78,538. Hardship is rare relative to US counties: a poverty rate of just 3.5%, below the national 12.4%. Real estate commands a premium here — a median home value of $386,000, with typical rent around $1,899.
Rockwall County is among the best-educated US counties: 44.0% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Remote work is widespread — 17.9% of workers stay home, above the national 14.0%, and the average commute runs about 34 minutes each way.
Taken together, the income and housing figures place Rockwall County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Rockwall County Population History (2010-2024)
The county of Rockwall County had a population of 78,971 in 2010 and 137,044 in 2024, a 73.5% growth over 14 years. The peak was 137,044 in 2024. Average annual growth rate: 4.03%.
137,044
Population (2024)
78,971
Population (2010)
137,044
Peak (2024)
4.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 78,971 |
| 2011 | 81,103 |
| 2012 | 82,772 |
| 2013 | 84,732 |
| 2014 | 87,138 |
| 2015 | 90,258 |
| 2016 | 93,579 |
| 2017 | 96,956 |
| 2018 | 100,592 |
| 2019 | 104,862 |
| 2020 | 109,202 |
| 2021 | 116,666 |
| 2022 | 123,538 |
| 2023 | 131,636 |
| 2024 | 137,044 |
Race & Ethnicity
| White | 71.2% |
| Black or African American | 8.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.1% |
Age & Sex
37.6
Median Age
50.3%
Female
49.7%
Male
12.5%
Age 65+
Age Distribution
Children (under 15): 21.6% · Seniors (65+): 12.5%
Income & Poverty
| Median household income | $124,917+$48,625 vs state |
| Mean household income | $158,752 |
| Per-capita income | $54,098 |
| Poverty rate | 3.5%-7.0% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 67.3% |
Top Industries by Employment
The largest employment sector in Rockwall County is professional & business services, accounting for 23.1% of workers.
How residents commute
0.4%
Drive alone
0.6%
Carpool
73.1%
Public transit
17.9%
Work from home
34.1 min
Avg commute
Housing
$386,000+$125,600 vs state
Median home value
$1,899
Median rent
82.6%
Homeownership rate
41,426
Total housing units
95.4%
Occupied
4.6%
Vacant
17.4%
Renter-occupied
Social & access
90.9%
With health insurance
98.7%
With broadband internet
31.2%
Foreign-born
7.3%
Veterans (18+)
8.5%
With a disability
84.3%
Speak language other than English at home
Education
94.2%
High School+
44.0%
Bachelor's+
Largest cities in Texas
Other counties in Texas
Part of Texas
Metro areas in Texas
County rankings
Frequently Asked Questions
Rockwall County, Texas has a population of 116,931 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 39th-largest county in Texas. Population density is 919 people per square mile.
The population of Rockwall County has grown 73.5% since 2010 (78,971 → 137,044), a +4.02% annualized rate.
The median household income in Rockwall County, Texas is $124,917, with mean (average) household income of $158,752 and per-capita income of $54,098. 3.5% of residents live below the federal poverty level.
In Rockwall County, the largest racial and ethnic groups are White (71.2%), Black or African American (8.5%), Hispanic or Latino (2.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Rockwall County, Texas is 37.6 years. Residents are 50.3% female and 49.7% male.
The median home value in Rockwall County is $386,000 and median monthly rent is $1,899. 82.6% of occupied housing units are owner-occupied. The county has 41,426 total housing units, 4.6% of which are vacant.
The largest employment sector in Rockwall County, Texas is professional, scientific, and management services, employing 23.1% of workers. The unemployment rate is 2.8%.
Houston is among the largest cities associated with Rockwall County, Texas, with a population of 2,300,419.
More from Texas
Population 4,758,579
Population 2,603,816
Population 2,135,743
Population 2,037,344
Full rankings of Texas counties
Statewide data for Texas
Population, race, income, age, and trends across Texas
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.