Rockwall County, Texas Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Rockwall County, TX Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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A
Income Above averageWealthiest county in Texas
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B
Education Around average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Rockwall County | Texas Avg | U.S. Average |
|---|---|---|---|
| Population | 123,617 | 30,160,889 | 337,468,954 |
| Population density (per sq mi) | 829.5 | 112.2 | 86.4 |
| Population growth (%/yr) | 4.31% | 1.41% | 0.59% |
| Median age | 38.8 | 35.9 | 37.3 |
| Households | 41,237 | 10,982,153 | 130,235,071 |
Population in Rockwall County grew by 69.2% from 2009 to 2024, reaching 123,617 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Rockwall County is Millennials, aged 29–44, at 23.1% of residents. That is 0.2 points above Texas as a whole.
- Gen Z 13–28 25,046 20.3% -3.2 pts
- Millennials 29–44 28,528 23.1% +0.2 pts
- Gen X 45–60 27,032 21.9% +2.4 pts
- Boomers 61–79 16,319 13.2% on par
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Texas, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.6% of the people living in Rockwall County and men 49.4%.
- Women 50.6% Texas 50.1%
- Men 49.4% Texas 49.9%
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Residents matching this profile
100% of everyone living in Rockwall County
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Economy
Rockwall County has a the economy index of A, which means it is very prosperous.
| Metric | Rockwall County | Texas Avg | U.S. Average |
|---|---|---|---|
| Median household income | $127,304 | $78,939 | $80,455 |
| Income growth (%/yr) | 4.73% | 4.56% | 4.80% |
| Unemployment rate | 4.3% | 5.2% | 5.2% |
The median household income in Rockwall County is about 61% higher than in Texas.
Housing
| Metric | Rockwall County | Texas Avg | U.S. Average |
|---|---|---|---|
| Median home price | $440,909 | $258,873 | $248,835 |
| Median rent | $1,991 | $1,402 | $1,407 |
| Homeownership rate | 82.5% | 62.6% | 65.2% |
The median home price in Rockwall County is about 18.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,991 per month for that long.
Commute Time & Mobility
Commuters in Rockwall County spend about 65 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 269 hours, about 11.2 full days, spent commuting.
| Metric | Rockwall County | Texas Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 32.3 | 22.8 | 22.4 |
| Round-trip commute (min) | 64.6 | 45.6 | 44.8 |
| Yearly time spent (hours) | 269 | 190 | 187 |
| Estimated yearly cost | $8,339 | $5,888 | $5,790 |
| Work from home | 18.6% | 14.4% | 15.0% |
| Highway traffic (vehicles/day) | 13,254 | 9,879 | 8,813 |
| Local road traffic (vehicles/day) | 2,432 | 1,441 | 1,355 |
Fastest commutes among counties in
Texas:
Loving County (3.2 min), King County (5.8 min), Terrell County (6.5 min).
Slowest:
Bandera County (38.6 min), San Jacinto County (35.9 min), Liberty County (33.6 min).
The average commute time in Rockwall County is 32 minutes, longer than the 23 minutes in Texas.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Rockwall County has a education index of B, which means it is quite educated.
| Metric | Rockwall County | Texas Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 40.5% | 29.3% | 31.6% |
| Average household size | 2.98 | 2.69 | 2.53 |
Highest education index among counties in
Texas:
Collin County (0.4), Travis County (0.4), Fort Bend County (0.4).
Lowest:
Kenedy County (0.0), Hudspeth County (0.1), La Salle County (0.1).
Health
Rockwall County has a health index of B, which means it is quite healthy.
| Metric | Rockwall County | Texas Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.4 | 78.0 | 78.3 |
| Self-rated poor health | 12.3% | 21.1% | 16.3% |
| Smokers | 15.3% | 19.9% | 19.0% |
Highest health index among counties in
Texas:
Collin County (0.8), Travis County (0.8), Denton County (0.8).
Lowest:
Starr County (0.7), Brooks County (0.7), Presidio County (0.7).
Rockwall County, TX Compared With Nearby Counties
Rockwall County, TX is the 4th largest of the 5 counties compared here, 123,617 residents against a local median of 667,934. The measure that sets Rockwall County, TX apart most is median household income: $127,304, 52% above the local median of $83,902. That is the better end of the local range on this measure.
Commute tells the same story from another angle: 32.3 min against a local median of 25.0 min, 29% above it. The picture is mixed rather than uniform: median household income runs ahead of the neighbourhood while commute runs behind it, so Rockwall County, TX is trading one against the other rather than simply out-performing what surrounds it. The counties themselves spread $49,606 on median household income, so Rockwall County, TX sits at one end of an already wide local range rather than apart from it. Rockwall County, TX has the highest median household income of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Rockwall County, TX | 123,617 | $127,304 #1/5 | $440,909 #1/5 | 32.3 min #5/5 |
| Kaufman County, TX | 172,699 | $91,030 | $413,241 | 32.2 min |
| Collin County, TX | 1,163,170 | $121,672 | $420,862 | 26.1 min |
| Dallas County, TX | 2,620,115 | $76,775 | $343,060 | 23.9 min |
| Hunt County, TX | 108,970 | $72,066 | $222,968 | 22.9 min |
Frequently Asked Questions
Common questions about Rockwall County, Texas.
How big is Rockwall County, Texas by population?
About 123,617 people live in Rockwall County, Texas, in 41,237 households of 3.0 people on average. The median age is 38.8, close to the U.S. median of 37.3.
Is Rockwall County, Texas urban or rural?
Averaged over its land area, Rockwall County, Texas has 829 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 9.6 times the U.S. average of 86.
Can a typical household afford a home in Rockwall County, Texas?
The median home costs 3.5 times the median household income ($440,909 against $127,304), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,991 a month takes about 19% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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