Lewis County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 83rd-largest in Kentucky
The population of Lewis County, Kentucky is 13,028 as of the 2023 American Community Survey, making it the 83rd-largest county in Kentucky. The median household income is $41,632, the median home value is $86,100, and the median age is 42.1.
The population of Lewis County has declined 6.9% since 2010 (13,836 → 12,875), a -0.51% annualized rate.
13,028
Population
-0.51%
Annual growth
27
People / sq mi
$41,632
Median Income
$86,100
Median Home Value
Lewis County covers 483 sq mi of land at 27.0 people per square mile.
About Lewis County, KY
Lewis County is a county in Kentucky with a population of 13,028. It ranks #83 among counties in Kentucky by population. The median age is 42.1, older than the national median. The population is 49.8% male and 50.2% female.
The median household income in Lewis County is $41,632, below the US median of $74,580. 16.6% of residents live below the federal poverty level. Home values sit at a median of $86,100, with monthly rent averaging $757. The homeownership rate of 79.0% is higher than the national rate of 64.8%.
Educational attainment in Lewis County reflects 11.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 10.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 42.3 minutes each way.
Lewis County Population History (2010-2024)
The county of Lewis County had a population of 13,836 in 2010 and 12,875 in 2024, a -6.9% growth over 14 years. The peak was 13,840 in 2012. Average annual growth rate: -0.51%.
12,875
Population (2024)
13,836
Population (2010)
13,840
Peak (2012)
-0.51%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 13,836 |
| 2011 | 13,838 |
| 2012 | 13,840 |
| 2013 | 13,755 |
| 2014 | 13,832 |
| 2015 | 13,666 |
| 2016 | 13,514 |
| 2017 | 13,369 |
| 2018 | 13,269 |
| 2019 | 13,309 |
| 2020 | 13,088 |
| 2021 | 12,982 |
| 2022 | 12,924 |
| 2023 | 12,956 |
| 2024 | 12,875 |
Race & Ethnicity
| White | 97.0% |
| Black or African American | 0.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.1% |
| Two or More Races | 0.2% |
Age & Sex
42.1
Median Age
50.2%
Female
49.8%
Male
19.1%
Age 65+
Age Distribution
Children (under 15): 19.1% · Seniors (65+): 19.1%
Income & Poverty
| Median household income | $41,632$-20,785 vs state |
| Mean household income | $58,763 |
| Per-capita income | $23,486 |
| Poverty rate | 16.6%+4.8% vs state |
| Unemployment rate | 3.4% |
| Employment-to-population | 41.5% |
Top Industries by Employment
The largest employment sector in Lewis County is professional & business services, accounting for 25.2% of workers.
How residents commute
0.0%
Drive alone
0.9%
Carpool
77.4%
Public transit
10.6%
Work from home
42.3 min
Avg commute
Housing
$86,100$-106,200 vs state
Median home value
$757
Median rent
79.0%
Homeownership rate
6,072
Total housing units
80.8%
Occupied
19.2%
Vacant
21.0%
Renter-occupied
Social & access
94.5%
With health insurance
87.8%
With broadband internet
42.8%
Foreign-born
6.9%
Veterans (18+)
21.4%
With a disability
99.6%
Speak language other than English at home
Education
80.6%
High School+
11.3%
Bachelor's+
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Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Lewis County, Kentucky has a population of 13,028 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 83rd-largest county in Kentucky. Population density is 27 people per square mile.
The population of Lewis County has declined 6.9% since 2010 (13,836 → 12,875), a -0.51% annualized rate.
The median household income in Lewis County, Kentucky is $41,632, with mean (average) household income of $58,763 and per-capita income of $23,486. 16.6% of residents live below the federal poverty level.
In Lewis County, the largest racial and ethnic groups are White (97.0%), Two or more races (0.2%), Hispanic or Latino (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lewis County, Kentucky is 42.1 years. Residents are 50.2% female and 49.8% male.
The median home value in Lewis County is $86,100 and median monthly rent is $757. 79.0% of occupied housing units are owner-occupied. The county has 6,072 total housing units, 19.2% of which are vacant.
The largest employment sector in Lewis County, Kentucky is professional, scientific, and management services, employing 25.2% of workers. The unemployment rate is 3.4%.
Louisville/Jefferson County is among the largest cities associated with Lewis County, Kentucky, with a population of 627,210.
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Population, race, income, age, and trends across Kentucky
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.