Brazoria County Demographics

A map of Brazoria County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	162,895	161,833	41.6%	43.5%
Hispanic	123,657	115,202	31.6%	31.0%
Black	62,260	53,668	15.9%	14.4%
Asian	28,870	26,231	7.4%	7.1%
Multiracial	11,412	12,572	2.9%	3.4%
Native American/Other	2,161	2,525	0.6%	0.7%

Brazoria County, Texas has an estimated population of 391,255, an increase from the 372,031 recorded in the 2020 Census. The population is 41.6% White, 31.6% Hispanic, 15.9% Black, 7.4% Asian, 2.9% Multiracial, and 0.6% Native American/Other. This demographic dot map shows the population of Brazoria County, with one dot drawn for each person counted by the Census, color-coded by race.

Brazoria has become slightly more racially diverse since the 2020 Census. It is more 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 Brazoria County, that probability was 68.8% in 2020 and 69.5% in the most recent ACS estimates.

Brazoria County is ranked the 14th most populous county in Texas, out of 254 counties. Brazoria County was ranked the 14th most populous county in the 2020 Census.

Brazoria County's White Population

162,895 residents of Brazoria County, or 41.6% of the population, identify as White. The share of White residents in Brazoria County is slightly higher than in Texas overall, where 39.1% of the population is White. Brazoria County ranks 184th statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, Brazoria County's White population has remained roughly the same. White residents' share of Brazoria County's population has decreased from 43.5% to 41.6%.

Brazoria County is more White than neighboring Fort Bend County (28.7% White), Matagorda County (41.4% White), and Harris County (26.6% White). Brazoria County is less White than neighboring Galveston County (54% White), and Wharton County (43.3% White).

Brazoria County's Black Population

62,260 residents of Brazoria County, or 15.9% of the population, identify as Black. The share of Black residents in Brazoria County is slightly higher than in Texas overall, where 11.9% of the population is Black. Brazoria County ranks 33rd statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, Brazoria County's Black population has grown by an estimated 16.0%. Black residents' share of Brazoria County's population has increased from 14.4% to 15.9%.

Brazoria County is more Black than neighboring Galveston County (11.9% Black), Matagorda County (9.7% Black), and Wharton County (10.9% Black). Brazoria County is less Black than neighboring Fort Bend County (20.6% Black), and Harris County (18.6% Black).

Brazoria County's Asian Population

28,870 residents of Brazoria County, or 7.4% of the population, identify as Asian. The share of Asian residents in Brazoria County is comparable to the share in Texas overall, where 5.5% of the population is Asian. Brazoria County ranks 7th statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, Brazoria County's Asian population has grown by an estimated 10.1%. Asian residents' share of Brazoria County's population has remained roughly unchanged at 7.4%.

Brazoria County is more Asian than neighboring Galveston County (3.4% Asian), Matagorda County (1.6% Asian), Harris County (7.3% Asian), and Wharton County (0.5% Asian). Brazoria County is less Asian than neighboring Fort Bend County (21.9% Asian).

Brazoria County's Hispanic Population

123,657 residents of Brazoria County, or 31.6% of the population, identify as Hispanic. The share of Hispanic residents in Brazoria County is lower than in Texas overall, where 39.7% of the population is Hispanic. Brazoria County ranks 111th statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, Brazoria County's Hispanic population has grown by an estimated 7.3%. Hispanic residents' share of Brazoria County's population has increased from 31.0% to 31.6%.

Brazoria County is more Hispanic than neighboring Fort Bend County (24.7% Hispanic), and Galveston County (26.4% Hispanic). Brazoria County is less Hispanic than neighboring Matagorda County (43.7% Hispanic), Harris County (44% Hispanic), and Wharton County (42% Hispanic).

Brazoria County's Native American/Other Population

2,161 residents of Brazoria 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 Brazoria County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Brazoria County ranks 127th statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, Brazoria County's Native American/Other population has declined by an estimated 14.4%. Native American/Other residents' share of Brazoria County's population has remained roughly unchanged at 0.6%.

Brazoria County is more Native American/Other than neighboring Wharton County (0.3% Native American/Other). Brazoria County is less Native American/Other than neighboring Galveston County (0.7% Native American/Other), and Matagorda County (1% Native American/Other).

Brazoria County's Multiracial Population

11,412 residents of Brazoria County, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in Brazoria County is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. Brazoria County ranks 89th statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, Brazoria County's Multiracial population has declined by an estimated 9.2%. Multiracial residents' share of Brazoria County's population has decreased from 3.4% to 2.9%.

Brazoria County is more Multiracial than neighboring Matagorda County (2.6% Multiracial). Brazoria County is less Multiracial than neighboring Fort Bend County (3.5% Multiracial), Galveston County (3.7% Multiracial), and Harris County (3% 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.