San Jacinto County Demographics

A map of San Jacinto County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	19,576	19,170	68.8%	70.0%
Hispanic	5,452	4,822	19.2%	17.6%
Black	2,469	2,083	8.7%	7.6%
Multiracial	835	1,029	2.9%	3.8%
Asian	78	86	0.3%	0.3%
Native American/Other	31	212	0.1%	0.8%

San Jacinto County, Texas has an estimated population of 28,441, an increase from the 27,402 recorded in the 2020 Census. The population is 68.8% White, 19.2% Hispanic, 8.7% Black, 2.9% Multiracial, 0.3% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of San Jacinto County, with one dot drawn for each person counted by the Census, color-coded by race.

San Jacinto has become slightly 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 San Jacinto County, that probability was 47.2% in 2020 and 48.1% in the most recent ACS estimates.

San Jacinto County is ranked the 98th most populous county in Texas, out of 254 counties. San Jacinto County was ranked the 98th most populous county in the 2020 Census.

San Jacinto County's White Population

19,576 residents of San Jacinto County, or 68.8% of the population, identify as White. The share of White residents in San Jacinto County is significantly higher than in Texas overall, where 39.1% of the population is White. San Jacinto County ranks 72nd statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, San Jacinto County's White population has grown by an estimated 2.1%. White residents' share of San Jacinto County's population has decreased from 70.0% to 68.8%.

San Jacinto County is more White than neighboring Walker County (53% White), Montgomery County (58.7% White), and Liberty County (48.7% White). San Jacinto County is less White than neighboring Polk County (70.9% White), and Trinity County (76.9% White).

San Jacinto County's Black Population

2,469 residents of San Jacinto County, or 8.7% of the population, identify as Black. The share of Black residents in San Jacinto County is slightly lower than in Texas overall, where 11.9% of the population is Black. San Jacinto County ranks 70th statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, San Jacinto County's Black population has grown by an estimated 18.5%. Black residents' share of San Jacinto County's population has increased from 7.6% to 8.7%.

San Jacinto County is more Black than neighboring Polk County (7.7% Black), Montgomery County (6.1% Black), Trinity County (7.9% Black), and Liberty County (7.5% Black). San Jacinto County is less Black than neighboring Walker County (19.6% Black).

San Jacinto County's Asian Population

78 residents of San Jacinto County, or 0.3% of the population, identify as Asian. The share of Asian residents in San Jacinto County is lower than in Texas overall, where 5.5% of the population is Asian. San Jacinto County ranks 195th statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, San Jacinto County's Asian population has declined by an estimated 9.3%. Asian residents' share of San Jacinto County's population has remained roughly unchanged at 0.3%.

San Jacinto County is more Asian than neighboring Trinity County (0.2% Asian). San Jacinto County is less Asian than neighboring Polk County (0.6% Asian), Walker County (1% Asian), Montgomery County (3.3% Asian), and Liberty County (0.6% Asian).

San Jacinto County's Hispanic Population

5,452 residents of San Jacinto County, or 19.2% of the population, identify as Hispanic. The share of Hispanic residents in San Jacinto County is significantly lower than in Texas overall, where 39.7% of the population is Hispanic. San Jacinto County ranks 201st statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, San Jacinto County's Hispanic population has grown by an estimated 13.1%. Hispanic residents' share of San Jacinto County's population has increased from 17.6% to 19.2%.

San Jacinto County is more Hispanic than neighboring Polk County (15.3% Hispanic), and Trinity County (11.2% Hispanic). San Jacinto County is less Hispanic than neighboring Walker County (21.8% Hispanic), Montgomery County (27.9% Hispanic), and Liberty County (39.6% Hispanic).

San Jacinto County's Native American/Other Population

31 residents of San Jacinto County, 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 San Jacinto County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. San Jacinto County ranks 98th statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, San Jacinto County's Native American/Other population has declined by an estimated 85.4%. Native American/Other residents' share of San Jacinto County's population has decreased from 0.8% to 0.1%.

San Jacinto County is less Native American/Other than neighboring Polk County (1% Native American/Other), Walker County (0.8% Native American/Other), Montgomery County (0.6% Native American/Other), and Liberty County (0.3% Native American/Other).

San Jacinto County's Multiracial Population

835 residents of San Jacinto County, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in San Jacinto County is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. San Jacinto County ranks 57th statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, San Jacinto County's Multiracial population has declined by an estimated 18.9%. Multiracial residents' share of San Jacinto County's population has decreased from 3.8% to 2.9%.

San Jacinto County is less Multiracial than neighboring Polk County (4.5% Multiracial), Walker County (3.8% Multiracial), Montgomery County (3.5% Multiracial), Trinity County (3.8% Multiracial), and Liberty County (3.4% 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.