Skip to main content
Population Review

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.

Lewis County within Kentucky · Source: US Census TIGER/Line via us-atlas

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

Educational attainment is the headline number in Lewis County: 11.3% of adults 25 and older have a four-year degree. Lewis County is a county in Kentucky with a population of 13,028.

Household earnings sit near the bottom of the range at $41,632, below the US median of $78,538. Roughly 16.6% of residents fall below the poverty line, above the national 12.4%. Real estate is inexpensive, with a typical home worth only $86,100, with typical rent around $757.

Lewis County is among the least college-educated US counties, at 11.3% — below the national 35.0%. A solid 10.6% of workers are based at home, below the national 14.0%, and the average commute runs about 42 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%.

2012 · 14K20102024
Lewis County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

12,875

Population (2024)

13,836

Population (2010)

13,840

Peak (2012)

-0.51%

Avg Annual Growth

YearPopulation
201013,836
201113,838
201213,840
201313,755
201413,832
201513,666
201613,514
201713,369
201813,269
201913,309
202013,088
202112,982
202212,924
202312,956
202412,875

Race & Ethnicity

White97.0%
Black or African American0.0%
Asian0.0%
Hispanic or Latino (any race)0.1%
Two or More Races0.2%

Age & Sex

42.1

Median Age

50.2%

Female

49.8%

Male

19.1%

Age 65+

Age Distribution

Under 5
5.9%
5–9
5.9%
10–14
7.3%
15–19
6.0%
20–24
5.0%
25–34
11.3%
35–44
11.5%
45–54
13.1%
55–59
6.9%
60–64
7.9%
65–74
11.6%
75–84
5.5%
85+
2.0%

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 rate16.6%+4.8% vs state
Unemployment rate3.4%
Employment-to-population41.5%

Top Industries by Employment

Professional & business services
25.2%
Construction
14.3%
Manufacturing
12.0%
Finance & real estate
8.7%
Information
7.4%
Retail trade
5.9%
Public administration
3.6%
Arts, entertainment & food
3.2%

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+

Largest cities in Kentucky

Other counties in Kentucky

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.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.