Rockdale, TX Demographics

A map of Rockdale's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,621	2,794	65.6%	52.5%
Hispanic	1,322	1,686	23.9%	31.7%
Black	333	605	6.0%	11.4%
Multiracial	140	156	2.5%	2.9%
Asian	101	34	1.8%	0.6%
Native American/Other	6	48	0.1%	0.9%

Rockdale, Texas has an estimated population of 5,523, an increase from the 5,323 recorded in the 2020 Census. The population is 65.6% White, 23.9% Hispanic, 6.0% Black, 2.5% Multiracial, 1.8% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Rockdale, with one dot drawn for each person counted by the Census, color-coded by race.

Rockdale has become considerably less 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 Rockdale, that probability was 61.0% in 2020 and 50.8% in the most recent ACS estimates.

Rockdale is ranked the 405th most populous place in Texas, out of 1,863 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Rockdale was ranked the 390th most populous place in the 2020 Census.

Rockdale's White Population

3,621 residents of Rockdale, or 65.6% of the population, identify as White. The share of White residents in Rockdale is significantly higher than in Texas overall, where 39.1% of the population is White. Rockdale ranks 967th statewide in terms of White residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Rockdale's White population has grown by an estimated 29.6%. White residents' share of Rockdale's population has increased from 52.5% to 65.6%.

Rockdale is more White than neighboring Praesel (47.9% White), Milano (42.7% White), Thorndale (59.4% White), and Cameron (32.5% White). Rockdale is less White than neighboring Lexington (72% White).

Rockdale's Black Population

333 residents of Rockdale, or 6.0% of the population, identify as Black. The share of Black residents in Rockdale is lower than in Texas overall, where 11.9% of the population is Black. Rockdale ranks 307th statewide in terms of Black residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Rockdale's Black population has declined by an estimated 45.0%. Black residents' share of Rockdale's population has decreased from 11.4% to 6.0%.

Rockdale is more Black than neighboring Praesel (0% Black). Rockdale is less Black than neighboring Milano (37.4% Black), Thorndale (10.2% Black), Cameron (17.6% Black), and Lexington (6.4% Black).

Rockdale's Asian Population

101 residents of Rockdale, or 1.8% of the population, identify as Asian. The share of Asian residents in Rockdale is slightly lower than in Texas overall, where 5.5% of the population is Asian. Rockdale ranks 678th statewide in terms of Asian residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Rockdale's Asian population has grown by an estimated 197.1%. Asian residents' share of Rockdale's population has increased from 0.6% to 1.8%.

Rockdale is more Asian than neighboring Praesel (0% Asian), Milano (0% Asian), Thorndale (0% Asian), Cameron (0% Asian), and Lexington (0% Asian).

Rockdale's Hispanic Population

1,322 residents of Rockdale, or 23.9% of the population, identify as Hispanic. The share of Hispanic residents in Rockdale is significantly lower than in Texas overall, where 39.7% of the population is Hispanic. Rockdale ranks 887th statewide in terms of Hispanic residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Rockdale's Hispanic population has declined by an estimated 21.6%. Hispanic residents' share of Rockdale's population has decreased from 31.7% to 23.9%.

Rockdale is more Hispanic than neighboring Milano (14.6% Hispanic), and Lexington (19.6% Hispanic). Rockdale is less Hispanic than neighboring Praesel (26.8% Hispanic), Thorndale (24.4% Hispanic), and Cameron (48% Hispanic).

Rockdale's Native American/Other Population

6 residents of Rockdale, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Rockdale is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Rockdale ranks 532nd statewide in terms of Native American/Other residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Rockdale's Native American/Other population has declined by an estimated 87.5%. Native American/Other residents' share of Rockdale's population has decreased from 0.9% to 0.1%.

Rockdale is more Native American/Other than neighboring Praesel (0% Native American/Other), Milano (0% Native American/Other), Thorndale (0% Native American/Other), Cameron (0% Native American/Other), and Lexington (0% Native American/Other).

Rockdale's Multiracial Population

140 residents of Rockdale, or 2.5% of the population, identify as Multiracial. The share of Multiracial residents in Rockdale is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. Rockdale ranks 954th statewide in terms of Multiracial residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Rockdale's Multiracial population has declined by an estimated 10.3%. Multiracial residents' share of Rockdale's population has remained roughly unchanged at 2.5%.

Rockdale is more Multiracial than neighboring Cameron (2% Multiracial), and Lexington (1.9% Multiracial). Rockdale is less Multiracial than neighboring Praesel (25.3% Multiracial), Milano (5.3% Multiracial), and Thorndale (5.9% 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.