Lewis County Demographics

A map of Lewis County's Population by Race

Lewis County, Kentucky has an estimated population of 12,965, a less than 1% change from the 13,080 recorded in the 2020 Census. The population is 96.9% White, 1.9% Multiracial, 0.5% Black, 0.4% Native American/Other, 0.2% Asian, and 0.1% Hispanic. 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 has become less racially diverse since the 2020 Census. It is considerably less diverse than Kentucky 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 7.1% in 2020 and 6.1% in the most recent ACS estimates.

Lewis County is ranked the 84th most populous county in Kentucky, out of 120 counties. Lewis County was ranked the 83rd most populous county in the 2020 Census.

Lewis County's White Population

12,559 residents of Lewis County, or 96.9% of the population, identify as White. The share of White residents in Lewis County is significantly higher than in Kentucky overall, where 81.5% of the population is White. Lewis County ranks 11th statewide in terms of White residents as a share of the population, out of 120 counties.

Since the 2020 Census, Lewis County's White population has remained roughly the same. White residents' share of Lewis County's population has increased from 96.3% to 96.9%.

Lewis County is more White than neighboring Adams County (95.8% White), Rowan County (93.5% White), Fleming County (94.3% White), Carter County (95.2% White), and Mason County (86.9% White).

Lewis County's Black Population

70 residents of Lewis County, or 0.5% of the population, identify as Black. The share of Black residents in Lewis County is lower than in Kentucky overall, where 7.6% of the population is Black. Lewis County ranks 112th statewide in terms of Black residents as a share of the population, out of 120 counties.

Since the 2020 Census, Lewis County's Black population has grown by an estimated 94.4%. Black residents' share of Lewis County's population has remained roughly unchanged at 0.5%.

Lewis County is more Black than neighboring Adams County (0.4% Black), and Carter County (0.3% Black). Lewis County is less Black than neighboring Rowan County (1.4% Black), Fleming County (0.9% Black), and Mason County (5.9% Black).

Lewis County's Asian Population

22 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 Kentucky overall, where 1.6% of the population is Asian. Lewis County ranks 112th statewide in terms of Asian residents as a share of the population, out of 120 counties.

Since the 2020 Census, Lewis County's Asian population has grown by an estimated 144.4%. Asian residents' share of Lewis County's population has remained roughly unchanged at 0.2%.

Lewis County is less Asian than neighboring Adams County (0.5% Asian), Rowan County (0.8% Asian), Fleming County (0.8% Asian), Carter County (0.3% Asian), and Mason County (0.9% Asian).

Lewis County's Hispanic Population

15 residents of Lewis County, or 0.1% of the population, identify as Hispanic. The share of Hispanic residents in Lewis County is slightly lower than in Kentucky overall, where 5% of the population is Hispanic. Lewis County ranks 117th statewide in terms of Hispanic residents as a share of the population, out of 120 counties.

Since the 2020 Census, Lewis County's Hispanic population has declined by an estimated 81.9%. Hispanic residents' share of Lewis County's population has decreased from 0.6% to 0.1%.

Lewis County is less Hispanic than neighboring Adams County (0.9% Hispanic), Rowan County (2.4% Hispanic), Fleming County (1.7% Hispanic), Carter County (0.9% Hispanic), and Mason County (2.4% Hispanic).

Lewis County's Native American/Other Population

56 residents of Lewis 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 Lewis County is comparable to the share in Kentucky overall, where 0.4% of the population is Native American/Other. Lewis County ranks 110th statewide in terms of Native American/Other residents as a share of the population, out of 120 counties.

Since the 2020 Census, Lewis County's Native American/Other population has grown by an estimated 100.0%. Native American/Other residents' share of Lewis County's population has remained roughly unchanged at 0.4%.

Lewis County is more Native American/Other than neighboring Adams County (0.3% Native American/Other), Rowan County (0.1% Native American/Other), Fleming County (0.2% Native American/Other), Carter County (0.1% Native American/Other), and Mason County (0.2% Native American/Other).

Lewis County's Multiracial Population

243 residents of Lewis County, or 1.9% of the population, identify as Multiracial. The share of Multiracial residents in Lewis County is comparable to the share in Kentucky overall, where 3.9% of the population is Multiracial. Lewis County ranks 88th statewide in terms of Multiracial residents as a share of the population, out of 120 counties.

Since the 2020 Census, Lewis County's Multiracial population has declined by an estimated 25.2%. Multiracial residents' share of Lewis County's population has decreased from 2.5% to 1.9%.

Lewis County is more Multiracial than neighboring Rowan County (1.8% Multiracial). Lewis County is less Multiracial than neighboring Adams County (2.2% Multiracial), Fleming County (2% Multiracial), Carter County (3.3% Multiracial), and Mason County (3.7% 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.