McNairy County Demographics

A map of McNairy County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	23,102	22,847	89.0%	88.3%
Black	1,394	1,545	5.4%	6.0%
Multiracial	738	852	2.8%	3.3%
Hispanic	561	438	2.2%	1.7%
Asian	108	78	0.4%	0.3%
Native American/Other	67	106	0.3%	0.4%

McNairy County, Tennessee has an estimated population of 25,970, a less than 1% change from the 25,866 recorded in the 2020 Census. The population is 89.0% White, 5.4% Black, 2.8% Multiracial, 2.2% Hispanic, 0.4% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of McNairy County, with one dot drawn for each person counted by the Census, color-coded by race.

McNairy has become less racially diverse since the 2020 Census. It is considerably less diverse than Tennessee overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In McNairy County, that probability was 21.5% in 2020 and 20.4% in the most recent ACS estimates.

McNairy County is ranked the 57th most populous county in Tennessee, out of 95 counties. McNairy County was ranked the 56th most populous county in the 2020 Census.

McNairy County's White Population

23,102 residents of McNairy County, or 89.0% of the population, identify as White. The share of White residents in McNairy County is significantly higher than in Tennessee overall, where 71% of the population is White. McNairy County ranks 47th statewide in terms of White residents as a share of the population, out of 95 counties.

Since the 2020 Census, McNairy County's White population has grown by an estimated 1.1%. White residents' share of McNairy County's population has increased from 88.3% to 89.0%.

McNairy County is more White than neighboring Chester County (83.8% White), Alcorn County (79.7% White), Hardeman County (53.1% White), and Henderson County (85.8% White). McNairy County is less White than neighboring Hardin County (90.8% White).

McNairy County's Black Population

1,394 residents of McNairy County, or 5.4% of the population, identify as Black. The share of Black residents in McNairy County is lower than in Tennessee overall, where 15.4% of the population is Black. McNairy County ranks 31st statewide in terms of Black residents as a share of the population, out of 95 counties.

Since the 2020 Census, McNairy County's Black population has declined by an estimated 9.8%. Black residents' share of McNairy County's population has decreased from 6.0% to 5.4%.

McNairy County is more Black than neighboring Hardin County (3.4% Black). McNairy County is less Black than neighboring Chester County (9.5% Black), Alcorn County (10.2% Black), Hardeman County (38.2% Black), and Henderson County (7.9% Black).

McNairy County's Asian Population

108 residents of McNairy County, or 0.4% of the population, identify as Asian. The share of Asian residents in McNairy County is comparable to the share in Tennessee overall, where 1.9% of the population is Asian. McNairy County ranks 67th statewide in terms of Asian residents as a share of the population, out of 95 counties.

Since the 2020 Census, McNairy County's Asian population has grown by an estimated 38.5%. Asian residents' share of McNairy County's population has remained roughly unchanged at 0.4%.

McNairy County is more Asian than neighboring Chester County (0.2% Asian), Hardin County (0% Asian), and Henderson County (0.2% Asian). McNairy County is less Asian than neighboring Alcorn County (0.5% Asian), and Hardeman County (0.7% Asian).

McNairy County's Hispanic Population

561 residents of McNairy County, or 2.2% of the population, identify as Hispanic. The share of Hispanic residents in McNairy County is lower than in Tennessee overall, where 7.4% of the population is Hispanic. McNairy County ranks 82nd statewide in terms of Hispanic residents as a share of the population, out of 95 counties.

Since the 2020 Census, McNairy County's Hispanic population has grown by an estimated 28.1%. Hispanic residents' share of McNairy County's population has increased from 1.7% to 2.2%.

McNairy County is less Hispanic than neighboring Chester County (3.4% Hispanic), Alcorn County (3.8% Hispanic), Hardin County (2.5% Hispanic), and Henderson County (3% Hispanic).

McNairy County's Native American/Other Population

67 residents of McNairy County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in McNairy County is comparable to the share in Tennessee overall, where 0.6% of the population is Native American/Other. McNairy County ranks 74th statewide in terms of Native American/Other residents as a share of the population, out of 95 counties.

Since the 2020 Census, McNairy County's Native American/Other population has declined by an estimated 36.8%. Native American/Other residents' share of McNairy County's population has remained roughly unchanged at 0.3%.

McNairy County is more Native American/Other than neighboring Hardin County (0.2% Native American/Other), and Henderson County (0.2% Native American/Other). McNairy County is less Native American/Other than neighboring Chester County (1.2% Native American/Other), and Hardeman County (0.4% Native American/Other).

McNairy County's Multiracial Population

738 residents of McNairy County, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in McNairy County is comparable to the share in Tennessee overall, where 3.7% of the population is Multiracial. McNairy County ranks 67th statewide in terms of Multiracial residents as a share of the population, out of 95 counties.

Since the 2020 Census, McNairy County's Multiracial population has declined by an estimated 13.4%. Multiracial residents' share of McNairy County's population has decreased from 3.3% to 2.8%.

McNairy County is more Multiracial than neighboring Chester County (2% Multiracial). McNairy County is less Multiracial than neighboring Alcorn County (5.5% Multiracial), Hardin County (3% Multiracial), Hardeman County (5.4% Multiracial), and Henderson 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.