McLennan County Demographics

A map of McLennan County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	143,918	139,693	54.1%	53.6%
Hispanic	71,761	68,587	27.0%	26.3%
Black	35,929	36,130	13.5%	13.9%
Multiracial	8,694	9,184	3.3%	3.5%
Asian	4,499	4,873	1.7%	1.9%
Native American/Other	1,266	2,112	0.5%	0.8%

McLennan County, Texas has an estimated population of 266,067, a slight increase from the 260,579 recorded in the 2020 Census. The population is 54.1% White, 27.0% Hispanic, 13.5% Black, 3.3% Multiracial, 1.7% Asian, and 0.5% Native American/Other. This demographic dot map shows the population of McLennan County, with one dot drawn for each person counted by the Census, color-coded by race.

McLennan has become slightly 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 McLennan County, that probability was 62.2% in 2020 and 61.5% in the most recent ACS estimates.

McLennan County is ranked the 21st most populous county in Texas, out of 254 counties. McLennan County was ranked the 20th most populous county in the 2020 Census.

McLennan County's White Population

143,918 residents of McLennan County, or 54.1% of the population, identify as White. The share of White residents in McLennan County is considerably higher than in Texas overall, where 39.1% of the population is White. McLennan County ranks 151st statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, McLennan County's White population has grown by an estimated 3.0%. White residents' share of McLennan County's population has increased from 53.6% to 54.1%.

McLennan County is more White than neighboring Falls County (49.6% White), and Bell County (42.4% White). McLennan County is less White than neighboring Hill County (67.6% White), Bosque County (74.9% White), and Coryell County (54.4% White).

McLennan County's Black Population

35,929 residents of McLennan County, or 13.5% of the population, identify as Black. The share of Black residents in McLennan County is comparable to the share in Texas overall, where 11.9% of the population is Black. McLennan County ranks 37th statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, McLennan County's Black population has remained roughly the same. Black residents' share of McLennan County's population has remained roughly unchanged at 13.5%.

McLennan County is more Black than neighboring Hill County (5% Black), Bosque County (1.1% Black), and Coryell County (13% Black). McLennan County is less Black than neighboring Falls County (18.4% Black), and Bell County (21.5% Black).

McLennan County's Asian Population

4,499 residents of McLennan County, or 1.7% of the population, identify as Asian. The share of Asian residents in McLennan County is slightly lower than in Texas overall, where 5.5% of the population is Asian. McLennan County ranks 31st statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, McLennan County's Asian population has declined by an estimated 7.7%. Asian residents' share of McLennan County's population has remained roughly unchanged at 1.7%.

McLennan County is more Asian than neighboring Hill County (0.5% Asian), and Bosque County (0.4% Asian). McLennan County is less Asian than neighboring Bell County (2.9% Asian), and Coryell County (2% Asian).

McLennan County's Hispanic Population

71,761 residents of McLennan County, or 27.0% of the population, identify as Hispanic. The share of Hispanic residents in McLennan County is considerably lower than in Texas overall, where 39.7% of the population is Hispanic. McLennan County ranks 130th statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, McLennan County's Hispanic population has grown by an estimated 4.6%. Hispanic residents' share of McLennan County's population has increased from 26.3% to 27.0%.

McLennan County is more Hispanic than neighboring Falls County (25% Hispanic), Hill County (23.1% Hispanic), Bosque County (19.1% Hispanic), Bell County (26.3% Hispanic), and Coryell County (20.7% Hispanic).

McLennan County's Native American/Other Population

1,266 residents of McLennan County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in McLennan County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. McLennan County ranks 83rd statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, McLennan County's Native American/Other population has declined by an estimated 40.1%. Native American/Other residents' share of McLennan County's population has remained roughly unchanged at 0.5%.

McLennan County is more Native American/Other than neighboring Falls County (0% Native American/Other), and Hill County (0.3% Native American/Other). McLennan County is less Native American/Other than neighboring Bosque County (1% Native American/Other), Bell County (1.1% Native American/Other), and Coryell County (1.4% Native American/Other).

McLennan County's Multiracial Population

8,694 residents of McLennan County, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in McLennan County is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. McLennan County ranks 77th statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, McLennan County's Multiracial population has declined by an estimated 5.3%. Multiracial residents' share of McLennan County's population has remained roughly unchanged at 3.3%.

McLennan County is less Multiracial than neighboring Falls County (5.4% Multiracial), Hill County (3.5% Multiracial), Bosque County (3.5% Multiracial), Bell County (5.8% Multiracial), and Coryell County (8.6% 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.