Hamilton County Demographics

A map of Hamilton County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	257,073	249,939	68.3%	68.3%
Black	63,574	63,979	16.9%	17.5%
Hispanic	30,267	27,075	8.0%	7.4%
Multiracial	15,367	14,905	4.1%	4.1%
Asian	7,773	8,139	2.1%	2.2%
Native American/Other	2,138	2,170	0.6%	0.6%

Hamilton County, Tennessee has an estimated population of 376,192, a slight increase from the 366,207 recorded in the 2020 Census. The population is 68.3% White, 16.9% Black, 8.0% Hispanic, 4.1% Multiracial, 2.1% Asian, and 0.6% Native American/Other. This demographic dot map shows the population of Hamilton County, with one dot drawn for each person counted by the Census, color-coded by race.

Hamilton is about as racially diverse as it was in the 2020 Census. It is more 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 Hamilton County, that probability was 49.6% in 2020 and 49.6% in the most recent ACS estimates.

Hamilton County is ranked the 4th most populous county in Tennessee, out of 95 counties. Hamilton County was ranked the 4th most populous county in the 2020 Census.

Hamilton County's White Population

257,073 residents of Hamilton County, or 68.3% of the population, identify as White. The share of White residents in Hamilton County is slightly lower than in Tennessee overall, where 71% of the population is White. Hamilton County ranks 85th statewide in terms of White residents as a share of the population, out of 95 counties.

Since the 2020 Census, Hamilton County's White population has grown by an estimated 2.9%. White residents' share of Hamilton County's population has remained roughly unchanged at 68.3%.

Hamilton County is more White than neighboring Whitfield County (55.5% White). Hamilton County is less White than neighboring Catoosa County (87.8% White), Bradley County (81.2% White), Sequatchie County (90.1% White), and Bledsoe County (86.5% White).

Hamilton County's Black Population

63,574 residents of Hamilton County, or 16.9% of the population, identify as Black. The share of Black residents in Hamilton County is comparable to the share in Tennessee overall, where 15.4% of the population is Black. Hamilton County ranks 12th statewide in terms of Black residents as a share of the population, out of 95 counties.

Since the 2020 Census, Hamilton County's Black population has remained roughly the same. Black residents' share of Hamilton County's population has decreased from 17.5% to 16.9%.

Hamilton County is more Black than neighboring Catoosa County (1.3% Black), Bradley County (4.1% Black), Sequatchie County (0.4% Black), Bledsoe County (6.1% Black), and Whitfield County (3.4% Black).

Hamilton County's Asian Population

7,773 residents of Hamilton County, or 2.1% of the population, identify as Asian. The share of Asian residents in Hamilton County is comparable to the share in Tennessee overall, where 1.9% of the population is Asian. Hamilton County ranks 7th statewide in terms of Asian residents as a share of the population, out of 95 counties.

Since the 2020 Census, Hamilton County's Asian population has declined by an estimated 4.5%. Asian residents' share of Hamilton County's population has remained roughly unchanged at 2.1%.

Hamilton County is more Asian than neighboring Catoosa County (1.5% Asian), Bradley County (1.1% Asian), Sequatchie County (0.8% Asian), Bledsoe County (0.2% Asian), and Whitfield County (1.4% Asian).

Hamilton County's Hispanic Population

30,267 residents of Hamilton County, or 8.0% of the population, identify as Hispanic. The share of Hispanic residents in Hamilton County is comparable to the share in Tennessee overall, where 7.4% of the population is Hispanic. Hamilton County ranks 15th statewide in terms of Hispanic residents as a share of the population, out of 95 counties.

Since the 2020 Census, Hamilton County's Hispanic population has grown by an estimated 11.8%. Hispanic residents' share of Hamilton County's population has increased from 7.4% to 8.0%.

Hamilton County is more Hispanic than neighboring Catoosa County (4% Hispanic), Sequatchie County (4.9% Hispanic), and Bledsoe County (3.5% Hispanic). Hamilton County is less Hispanic than neighboring Bradley County (8.4% Hispanic), and Whitfield County (37.2% Hispanic).

Hamilton County's Native American/Other Population

2,138 residents of Hamilton 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 Hamilton County is comparable to the share in Tennessee overall, where 0.6% of the population is Native American/Other. Hamilton County ranks 35th statewide in terms of Native American/Other residents as a share of the population, out of 95 counties.

Since the 2020 Census, Hamilton County's Native American/Other population has declined by an estimated 1.5%. Native American/Other residents' share of Hamilton County's population has remained roughly unchanged at 0.6%.

Hamilton County is more Native American/Other than neighboring Sequatchie County (0.5% Native American/Other), Bledsoe County (0.4% Native American/Other), and Whitfield County (0.1% Native American/Other). Hamilton County is less Native American/Other than neighboring Bradley County (0.9% Native American/Other).

Hamilton County's Multiracial Population

15,367 residents of Hamilton County, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Hamilton County is comparable to the share in Tennessee overall, where 3.7% of the population is Multiracial. Hamilton County ranks 29th statewide in terms of Multiracial residents as a share of the population, out of 95 counties.

Since the 2020 Census, Hamilton County's Multiracial population has grown by an estimated 3.1%. Multiracial residents' share of Hamilton County's population has remained roughly unchanged at 4.1%.

Hamilton County is more Multiracial than neighboring Sequatchie County (3.2% Multiracial), Bledsoe County (3.4% Multiracial), and Whitfield County (2.3% Multiracial). Hamilton County is less Multiracial than neighboring Catoosa County (4.7% Multiracial), and Bradley County (4.2% 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.