Simpson County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 59th-largest in Kentucky
The population of Simpson County, Kentucky is 19,786 as of the 2023 American Community Survey, making it the 59th-largest county in Kentucky. The median household income is $57,392, the median home value is $195,700, and the median age is 39.0.
The population of Simpson County has grown 17.4% since 2010 (17,337 → 20,350), a +1.15% annualized rate.
19,786
Population
+1.15%
Annual growth
84
People / sq mi
$57,392
Median Income
$195,700
Median Home Value
Simpson County covers 234 sq mi of land at 84.5 people per square mile.
About Simpson County, KY
Simpson County is a county in Kentucky with a population of 19,786. It ranks #59 among counties in Kentucky by population. The median age is 39.0, in line with the national median. The population is 49.9% male and 50.1% female.
The median household income in Simpson County is $57,392, below the US median of $74,580. 10.6% of residents live below the federal poverty level. Home values sit at a median of $195,700, with monthly rent averaging $1,011. The homeownership rate of 66.3% is close to the national rate of 64.8%.
Educational attainment in Simpson County reflects 16.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.2% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.7 minutes each way.
Simpson County Population History (2010-2024)
The county of Simpson County had a population of 17,337 in 2010 and 20,350 in 2024, a 17.4% growth over 14 years. The peak was 20,350 in 2024. Average annual growth rate: 1.16%.
20,350
Population (2024)
17,337
Population (2010)
20,350
Peak (2024)
1.16%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 17,337 |
| 2011 | 17,308 |
| 2012 | 17,552 |
| 2013 | 17,692 |
| 2014 | 17,764 |
| 2015 | 17,913 |
| 2016 | 17,995 |
| 2017 | 18,048 |
| 2018 | 18,386 |
| 2019 | 18,530 |
| 2020 | 19,629 |
| 2021 | 19,734 |
| 2022 | 19,926 |
| 2023 | 20,223 |
| 2024 | 20,350 |
Race & Ethnicity
| White | 84.5% |
| Black or African American | 7.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.8% |
| Two or More Races | 0.0% |
Age & Sex
39.0
Median Age
50.1%
Female
49.9%
Male
16.0%
Age 65+
Age Distribution
Children (under 15): 19.7% · Seniors (65+): 16.0%
Income & Poverty
| Median household income | $57,392$-5,025 vs state |
| Mean household income | $70,729 |
| Per-capita income | $28,786 |
| Poverty rate | 10.6%-1.2% vs state |
| Unemployment rate | 2.4% |
| Employment-to-population | 57.6% |
Top Industries by Employment
The largest employment sector in Simpson County is manufacturing, accounting for 22.7% of workers.
How residents commute
0.3%
Drive alone
1.6%
Carpool
79.5%
Public transit
5.2%
Work from home
21.7 min
Avg commute
Housing
$195,700+$3,400 vs state
Median home value
$1,011
Median rent
66.3%
Homeownership rate
8,456
Total housing units
90.9%
Occupied
9.1%
Vacant
33.7%
Renter-occupied
Social & access
91.6%
With health insurance
92.6%
With broadband internet
40.0%
Foreign-born
8.3%
Veterans (18+)
15.2%
With a disability
98.3%
Speak language other than English at home
Education
89.2%
High School+
16.8%
Bachelor's+
Largest cities in Kentucky
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Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Simpson County, Kentucky has a population of 19,786 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 59th-largest county in Kentucky. Population density is 84 people per square mile.
The population of Simpson County has grown 17.4% since 2010 (17,337 → 20,350), a +1.15% annualized rate.
The median household income in Simpson County, Kentucky is $57,392, with mean (average) household income of $70,729 and per-capita income of $28,786. 10.6% of residents live below the federal poverty level.
In Simpson County, the largest racial and ethnic groups are White (84.5%), Black or African American (7.0%), Hispanic or Latino (3.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Simpson County, Kentucky is 39.0 years. Residents are 50.1% female and 49.9% male.
The median home value in Simpson County is $195,700 and median monthly rent is $1,011. 66.3% of occupied housing units are owner-occupied. The county has 8,456 total housing units, 9.1% of which are vacant.
The largest employment sector in Simpson County, Kentucky is manufacturing, employing 22.7% of workers. The unemployment rate is 2.4%.
Louisville/Jefferson County is among the largest cities associated with Simpson 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.