Rockwall County, Texas: Diversifying Metro county. In 2024, voted R+41%. Democratic peak: D+96 in 1912.
Key facts
- 2024 presidential margin
- R+41MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 123,6172024 5-year
- Median household income
- $127,9812024 5-year
- White (non-Hispanic)
- 67.6%2024 5-year
- Black
- 9.3%2024 5-year
- Hispanic / Latino
- 20.8%2024 5-year
- Peak Democratic margin
- D+96 in 1912MIT Election Lab
- Peak Republican margin
- R+60 in 1984MIT Election Lab
- Most similar
- Comal County, TX · similarity 1.00
2024 results by precinct
2024 precinct map of Rockwall CountyPrecinct-level 2024 presidential results for Rockwall County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | +95.8% |
| 1916 | +91.9% |
| 1920 | +77.4% |
| 1924 | +86.9% |
| 1928 | +49.3% |
| 1932 | +90.5% |
| 1936 | +95.6% |
| 1940 | +88.2% |
| 1944 | +77.7% |
| 1948 | +66.3% |
| 1952 | +32.1% |
| 1956 | +16.6% |
| 1960 | +16.7% |
| 1964 | +49.0% |
| 1968 | +8.3% |
| 1972 | −50.8% |
| 1976 | −6.6% |
| 1980 | −33.2% |
| 1984 | −60.5% |
| 1988 | −45.8% |
| 1992 | −30.4% |
| 1996 | −39.3% |
| 2000 | −56.8% |
| 2004 | −57.9% |
| 2008 | −46.2% |
| 2012 | −53.1% |
| 2016 | −46.8% |
| 2020 | −37.6% |
| 2024 | −40.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 18,092 | 43,542 | 62,513 | ||
| R | 16,412 | 36,726 | 54,029 | ||
| R | 9,655 | 28,451 | 40,180 | ||
| R | 8,120 | 27,113 | 35,764 | ||
| R | 8,492 | 23,300 | 32,066 | ||
| R | 5,320 | 20,120 | 25,581 | ||
| R | 3,642 | 13,666 | 17,652 | ||
| R | 3,289 | 8,319 | 12,796 | ||
| R | 2,397 | 6,427 | 13,269 | ||
| R | 2,659 | 7,214 | 9,939 | ||
| R | 1,639 | 6,688 | 8,349 | ||
| R | 1,985 | 4,036 | 6,184 | ||
| R | 1,828 | 2,087 | 3,936 | ||
| R | 610 | 1,890 | 2,518 | ||
| D | 778 | 614 | 1,975 | ||
| D | 1,305 | 445 | 1,755 | ||
| D | 917 | 652 | 1,583 | ||
| D | 920 | 657 | 1,583 | ||
| D | 1,175 | 602 | 1,785 | ||
| D | 947 | 117 | 1,252 | ||
| D | 1,153 | 98 | 1,358 | ||
| D | 1,510 | 95 | 1,605 | ||
| D | 1,168 | 26 | 1,195 | ||
| D | 1,237 | 62 | 1,299 | ||
| D | 850 | 289 | 1,139 | ||
| D | 1,371 | 93 | 1,471 | ||
| D | 873 | 104 | 994 | ||
| D | 828 | 27 | 872 | ||
| D | 642 | 0 | 670 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
14.2%
German
11.2%
Irish
9.7%
American
5.8%
Italian
2.5%
Scottish
2.1%
French
1.6%
African American
7.4%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 37.5 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$127,981
Rockwall County ranks in the top 0.5% of US counties.
Rockwall County$127,981
Texas$78,476
United States$80,734
Rockwall County ranks in the top 0.5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
4.0%
Child poverty is below the national average.
Children under 183.7%
Working age (18–64)4.1%
Seniors (65+)5.3%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
85.3%
speak English only
Spanish9.9%
Other Indo-European2.3%
Asian & Pacific Islander1.9%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 25.9% of residents not counted as adherents by any reporting body.
Rockwall is Texas's smallest county by area, yet its fast-growing suburban and exurban population consistently delivers lopsided Republican margins — hitting R+40.9 in 2024 — making it a reliable anchor in northeast Dallas's exurban ring.
The Democratic margin here reached ninety-six points in 1912. Between 2020 and 2024 the county moved three points toward the Republican candidate; the 2024 margin was forty-one points.
A population of 123,617, a 68% non-Hispanic-white share, and a median household income of $127,981 describe the county. The county's voting pattern over the last decade is most similar to that of Comal County and Lubbock County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Rockwall County, Texas. Akashic. https://akashic.app/county/48397/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Texas
More diversifying metro counties
Frequently asked questions
How did Rockwall County, Texas vote in 2024?
In 2024, Rockwall County, Texas voted Republican by 40.7 points (R+41), carried by the Republican candidate. Out of 62,513 votes cast, 18,092 went Democratic and 43,542 went Republican.
What is Rockwall County, Texas's political typology?
Akashic places Rockwall County, Texas in the "Diversifying Metro" typology — Mid-size metropolitan counties growing more diverse and trending Democratic. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 15 times, Republican 14 times, and other 0 times.
When did Rockwall County, Texas last vote Democratic?
The most recent presidential election in which Rockwall County, Texas voted Democratic was 1968.
How many people live in Rockwall County, Texas?
Rockwall County, Texas has a population of 123,617 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Rockwall County, Texas?
Median household income in Rockwall County, Texas is $127,981 — above the national median of $80,734. The Texas state median is $78,476.
What is the political history of Rockwall County, Texas?
Akashic tracks 38 presidential elections in Rockwall County, Texas from 1876 to 2024. Of those, 15 went Democratic and 14 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.