Rockwall County Demographics

A map of Rockwall County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	77,844	70,198	63.0%	65.1%
Hispanic	25,723	20,560	20.8%	19.1%
Black	11,233	8,179	9.1%	7.6%
Asian	4,301	3,306	3.5%	3.1%
Multiracial	3,722	4,678	3.0%	4.3%
Native American/Other	794	898	0.6%	0.8%

Rockwall County, Texas has an estimated population of 123,617, a large increase from the 107,819 recorded in the 2020 Census. The population is 63.0% White, 20.8% Hispanic, 9.1% Black, 3.5% Asian, 3.0% Multiracial, and 0.6% Native American/Other. This demographic dot map shows the population of Rockwall County, with one dot drawn for each person counted by the Census, color-coded by race.

Rockwall has become more racially diverse since the 2020 Census. It is considerably less diverse than Texas overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rockwall County, that probability was 53.1% in 2020 and 55.0% in the most recent ACS estimates.

Rockwall County is ranked the 38th most populous county in Texas, out of 254 counties. Rockwall County was ranked the 40th most populous county in the 2020 Census.

Rockwall County's White Population

77,844 residents of Rockwall County, or 63.0% of the population, identify as White. The share of White residents in Rockwall County is significantly higher than in Texas overall, where 39.1% of the population is White. Rockwall County ranks 93rd statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, Rockwall County's White population has grown by an estimated 10.9%. White residents' share of Rockwall County's population has decreased from 65.1% to 63.0%.

Rockwall County is more White than neighboring Kaufman County (48.8% White), Collin County (49.6% White), and Dallas County (26.4% White). Rockwall County is less White than neighboring Hunt County (65% White), and Rains County (81.8% White).

Rockwall County's Black Population

11,233 residents of Rockwall County, or 9.1% of the population, identify as Black. The share of Black residents in Rockwall County is slightly lower than in Texas overall, where 11.9% of the population is Black. Rockwall County ranks 72nd statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, Rockwall County's Black population has grown by an estimated 37.3%. Black residents' share of Rockwall County's population has increased from 7.6% to 9.1%.

Rockwall County is more Black than neighboring Hunt County (7.8% Black), and Rains County (2.5% Black). Rockwall County is less Black than neighboring Kaufman County (18.4% Black), Collin County (10.8% Black), and Dallas County (22.1% Black).

Rockwall County's Asian Population

4,301 residents of Rockwall County, or 3.5% of the population, identify as Asian. The share of Asian residents in Rockwall County is comparable to the share in Texas overall, where 5.5% of the population is Asian. Rockwall County ranks 19th statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, Rockwall County's Asian population has grown by an estimated 30.1%. Asian residents' share of Rockwall County's population has remained roughly unchanged at 3.5%.

Rockwall County is more Asian than neighboring Kaufman County (1.8% Asian), Hunt County (1.4% Asian), and Rains County (1% Asian). Rockwall County is less Asian than neighboring Collin County (18.7% Asian), and Dallas County (7% Asian).

Rockwall County's Hispanic Population

25,723 residents of Rockwall County, or 20.8% of the population, identify as Hispanic. The share of Hispanic residents in Rockwall County is significantly lower than in Texas overall, where 39.7% of the population is Hispanic. Rockwall County ranks 190th statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, Rockwall County's Hispanic population has grown by an estimated 25.1%. Hispanic residents' share of Rockwall County's population has increased from 19.1% to 20.8%.

Rockwall County is more Hispanic than neighboring Collin County (16.1% Hispanic), and Rains County (10.3% Hispanic). Rockwall County is less Hispanic than neighboring Kaufman County (27.4% Hispanic), Dallas County (41.3% Hispanic), and Hunt County (21.5% Hispanic).

Rockwall County's Native American/Other Population

794 residents of Rockwall County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Rockwall County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Rockwall County ranks 74th statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, Rockwall County's Native American/Other population has declined by an estimated 11.6%. Native American/Other residents' share of Rockwall County's population has remained roughly unchanged at 0.6%.

Rockwall County is more Native American/Other than neighboring Kaufman County (0.4% Native American/Other), and Dallas County (0.5% Native American/Other). Rockwall County is less Native American/Other than neighboring Collin County (0.8% Native American/Other), and Rains County (0.7% Native American/Other).

Rockwall County's Multiracial Population

3,722 residents of Rockwall County, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Rockwall County is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. Rockwall County ranks 26th statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, Rockwall County's Multiracial population has declined by an estimated 20.4%. Multiracial residents' share of Rockwall County's population has decreased from 4.3% to 3.0%.

Rockwall County is more Multiracial than neighboring Dallas County (2.7% Multiracial). Rockwall County is less Multiracial than neighboring Kaufman County (3.3% Multiracial), Collin County (4% Multiracial), Hunt County (3.7% Multiracial), and Rains County (3.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.