Washington County Demographics

A map of Washington County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	117,050	112,606	85.9%	84.7%
Hispanic	6,679	6,136	4.9%	4.6%
Multiracial	5,158	5,820	3.8%	4.4%
Black	4,767	5,511	3.5%	4.1%
Asian	2,009	1,980	1.5%	1.5%
Native American/Other	598	948	0.4%	0.7%

Washington County, Tennessee has an estimated population of 136,261, a slight increase from the 133,001 recorded in the 2020 Census. The population is 85.9% White, 4.9% Hispanic, 3.8% Multiracial, 3.5% Black, 1.5% Asian, and 0.4% Native American/Other. This demographic dot map shows the population of Washington County, with one dot drawn for each person counted by the Census, color-coded by race.

Washington 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 Washington County, that probability was 27.7% in 2020 and 25.7% in the most recent ACS estimates.

Washington County is ranked the 12th most populous county in Tennessee, out of 95 counties. Washington County was ranked the 12th most populous county in the 2020 Census.

Washington County's White Population

117,050 residents of Washington County, or 85.9% of the population, identify as White. The share of White residents in Washington County is considerably higher than in Tennessee overall, where 71% of the population is White. Washington County ranks 58th statewide in terms of White residents as a share of the population, out of 95 counties.

Since the 2020 Census, Washington County's White population has grown by an estimated 3.9%. White residents' share of Washington County's population has increased from 84.7% to 85.9%.

Washington County is less White than neighboring Unicoi County (90.1% White), Sullivan County (91.6% White), Greene County (90.9% White), Carter County (92.8% White), and Scott County (95.4% White).

Washington County's Black Population

4,767 residents of Washington County, or 3.5% of the population, identify as Black. The share of Black residents in Washington County is considerably lower than in Tennessee overall, where 15.4% of the population is Black. Washington County ranks 38th statewide in terms of Black residents as a share of the population, out of 95 counties.

Since the 2020 Census, Washington County's Black population has declined by an estimated 13.5%. Black residents' share of Washington County's population has decreased from 4.1% to 3.5%.

Washington County is more Black than neighboring Unicoi County (0.7% Black), Sullivan County (2% Black), Greene County (1.7% Black), Carter County (1.9% Black), and Scott County (1.3% Black).

Washington County's Asian Population

2,009 residents of Washington County, or 1.5% of the population, identify as Asian. The share of Asian residents in Washington County is comparable to the share in Tennessee overall, where 1.9% of the population is Asian. Washington County ranks 10th statewide in terms of Asian residents as a share of the population, out of 95 counties.

Since the 2020 Census, Washington County's Asian population has grown by an estimated 1.5%. Asian residents' share of Washington County's population has remained roughly unchanged at 1.5%.

Washington County is more Asian than neighboring Unicoi County (0.1% Asian), Sullivan County (0.7% Asian), Greene County (0.5% Asian), Carter County (0.1% Asian), and Scott County (0.1% Asian).

Washington County's Hispanic Population

6,679 residents of Washington County, or 4.9% of the population, identify as Hispanic. The share of Hispanic residents in Washington County is slightly lower than in Tennessee overall, where 7.4% of the population is Hispanic. Washington County ranks 30th statewide in terms of Hispanic residents as a share of the population, out of 95 counties.

Since the 2020 Census, Washington County's Hispanic population has grown by an estimated 8.8%. Hispanic residents' share of Washington County's population has remained roughly unchanged at 4.9%.

Washington County is more Hispanic than neighboring Sullivan County (2.6% Hispanic), Greene County (3.9% Hispanic), Carter County (2.5% Hispanic), and Scott County (1.5% Hispanic). Washington County is less Hispanic than neighboring Unicoi County (6.7% Hispanic).

Washington County's Native American/Other Population

598 residents of Washington County, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Washington County is comparable to the share in Tennessee overall, where 0.6% of the population is Native American/Other. Washington County ranks 10th statewide in terms of Native American/Other residents as a share of the population, out of 95 counties.

Since the 2020 Census, Washington County's Native American/Other population has declined by an estimated 36.9%. Native American/Other residents' share of Washington County's population has remained roughly unchanged at 0.4%.

Washington County is more Native American/Other than neighboring Unicoi County (0.2% Native American/Other), Greene County (0.3% Native American/Other), Carter County (0.2% Native American/Other), and Scott County (0.3% Native American/Other).

Washington County's Multiracial Population

5,158 residents of Washington County, or 3.8% of the population, identify as Multiracial. The share of Multiracial residents in Washington County is comparable to the share in Tennessee overall, where 3.7% of the population is Multiracial. Washington County ranks 15th statewide in terms of Multiracial residents as a share of the population, out of 95 counties.

Since the 2020 Census, Washington County's Multiracial population has declined by an estimated 11.4%. Multiracial residents' share of Washington County's population has decreased from 4.4% to 3.8%.

Washington County is more Multiracial than neighboring Unicoi County (2.1% Multiracial), Sullivan County (2.6% Multiracial), Greene County (2.7% Multiracial), Carter County (2.5% Multiracial), and Scott County (1.5% 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.