Lewis County Demographics

A map of Lewis County's Population by Race

Lewis County, Tennessee has an estimated population of 12,992, an increase from the 12,582 recorded in the 2020 Census. The population is 91.4% White, 4.7% Multiracial, 3.2% Hispanic, 0.6% Black, 0.2% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Lewis County, with one dot drawn for each person counted by the Census, color-coded by race.

Lewis is about as racially diverse as it was in 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 Lewis County, that probability was 16.1% in 2020 and 16.1% in the most recent ACS estimates.

Lewis County is ranked the 84th most populous county in Tennessee, out of 95 counties. Lewis County was ranked the 84th most populous county in the 2020 Census.

Lewis County's White Population

11,877 residents of Lewis County, or 91.4% of the population, identify as White. The share of White residents in Lewis County is significantly higher than in Tennessee overall, where 71% of the population is White. Lewis County ranks 22nd statewide in terms of White residents as a share of the population, out of 95 counties.

Since the 2020 Census, Lewis County's White population has grown by an estimated 3.2%. White residents' share of Lewis County's population has remained roughly unchanged at 91.4%.

Lewis County is more White than neighboring Hickman County (88.4% White), Perry County (89% White), Wayne County (88.5% White), and Maury County (76.3% White). Lewis County is less White than neighboring Lawrence County (92.1% White).

Lewis County's Black Population

73 residents of Lewis County, or 0.6% of the population, identify as Black. The share of Black residents in Lewis County is considerably lower than in Tennessee overall, where 15.4% of the population is Black. Lewis County ranks 68th statewide in terms of Black residents as a share of the population, out of 95 counties.

Since the 2020 Census, Lewis County's Black population has declined by an estimated 60.3%. Black residents' share of Lewis County's population has decreased from 1.5% to 0.6%.

Lewis County is more Black than neighboring Perry County (0.3% Black). Lewis County is less Black than neighboring Hickman County (3.1% Black), Lawrence County (1.4% Black), Wayne County (4.3% Black), and Maury County (10.3% Black).

Lewis County's Asian Population

27 residents of Lewis County, or 0.2% of the population, identify as Asian. The share of Asian residents in Lewis County is comparable to the share in Tennessee overall, where 1.9% of the population is Asian. Lewis County ranks 49th statewide in terms of Asian residents as a share of the population, out of 95 counties.

Since the 2020 Census, Lewis County's Asian population has declined by an estimated 50.9%. Asian residents' share of Lewis County's population has remained roughly unchanged at 0.2%.

Lewis County is more Asian than neighboring Wayne County (0% Asian). Lewis County is less Asian than neighboring Hickman County (0.4% Asian), Lawrence County (0.4% Asian), and Maury County (1% Asian).

Lewis County's Hispanic Population

410 residents of Lewis County, or 3.2% of the population, identify as Hispanic. The share of Hispanic residents in Lewis County is slightly lower than in Tennessee overall, where 7.4% of the population is Hispanic. Lewis County ranks 60th statewide in terms of Hispanic residents as a share of the population, out of 95 counties.

Since the 2020 Census, Lewis County's Hispanic population has grown by an estimated 25.8%. Hispanic residents' share of Lewis County's population has increased from 2.6% to 3.2%.

Lewis County is more Hispanic than neighboring Lawrence County (2.8% Hispanic), Perry County (1.4% Hispanic), and Wayne County (2.7% Hispanic). Lewis County is less Hispanic than neighboring Hickman County (3.4% Hispanic), and Maury County (8.1% Hispanic).

Lewis County's Native American/Other Population

0 residents of Lewis County, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lewis County is comparable to the share in Tennessee overall, where 0.6% of the population is Native American/Other. Lewis County ranks 39th statewide in terms of Native American/Other residents as a share of the population, out of 95 counties.

Since the 2020 Census, Lewis County's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Lewis County's population has decreased from 0.6% to 0.0%.

Lewis County is less Native American/Other than neighboring Hickman County (0.8% Native American/Other), Lawrence County (0.1% Native American/Other), Perry County (1.4% Native American/Other), Wayne County (0.4% Native American/Other), and Maury County (0.4% Native American/Other).

Lewis County's Multiracial Population

605 residents of Lewis County, or 4.7% of the population, identify as Multiracial. The share of Multiracial residents in Lewis County is comparable to the share in Tennessee overall, where 3.7% of the population is Multiracial. Lewis County ranks 62nd statewide in terms of Multiracial residents as a share of the population, out of 95 counties.

Since the 2020 Census, Lewis County's Multiracial population has grown by an estimated 39.1%. Multiracial residents' share of Lewis County's population has increased from 3.5% to 4.7%.

Lewis County is more Multiracial than neighboring Hickman County (3.9% Multiracial), Lawrence County (3.3% Multiracial), Wayne County (4.1% Multiracial), and Maury County (3.9% Multiracial). Lewis County is less Multiracial than neighboring Perry County (7.7% 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.