Rockwall County's 2026 population is estimated at 147,860, reflecting a 3.8% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Rockwall County is the 36th largest county in Texas. The 2010 population was 78,971 and has grown 87.23% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.5 years
Female: 38 years
Male: 36.8 years
There are 90,862 adults, (15,613 of whom are seniors) in Rockwall County.
Female: 62,061 (50.2%)
Male: 61,556 (49.8%)
The racial composition of Rockwall County includes 67.57% White, 9.29% Black or African American, 5.11% other race, 3.5% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 83,523 | 67.57% |
| Two or more races | 17,339 | 14.03% |
| Black or African American | 11,479 | 9.29% |
| Other race | 6,314 | 5.11% |
| Asian | 4,322 | 3.5% |
| Native American | 559 | 0.45% |
| Native Hawaiian or Pacific Islander | 81 | 0.07% |
Rockwall County 's average per capita income is $69,637. Household income levels show a median of $127,981. The poverty rate stands at 4.04%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $153,162 | - |
| Families | $141,391 | $178,681 |
| Households | $127,981 | $162,868 |
| Non Families | $67,444 | $97,934 |
Average Income
Median Household Income
Poverty Rate
