Clinton County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 100th-largest in Kentucky
The population of Clinton County, Kentucky is 9,240 as of the 2023 American Community Survey, making it the 100th-largest county in Kentucky. The median household income is $42,168, the median home value is $114,000, and the median age is 42.5.
The population of Clinton County has declined 10.5% since 2010 (10,256 → 9,183), a -0.79% annualized rate.
9,240
Population
-0.79%
Annual growth
47
People / sq mi
$42,168
Median Income
$114,000
Median Home Value
Clinton County covers 197 sq mi of land at 46.9 people per square mile.
About Clinton County, KY
Among US counties, Clinton County stands out first on household income: a median of $42,168, below the US median of $78,538. Clinton County is a county in Kentucky with a population of 9,240.
Money is tight relative to the rest of US counties: the median household earns just $42,168, below the US median of $78,538. Roughly 14.2% of residents fall below the poverty line, above the national 12.4%. Homes are comparatively cheap — a median value of $114,000, with typical rent around $629.
Fewer adults hold degrees here than in most comparable places — 16.5%, below the national 35.0%. About 6.6% of the workforce is home-based, below the national 14.0%, and the average commute runs about 19 minutes each way.
Clinton County Population History (2010-2024)
The county of Clinton County had a population of 10,256 in 2010 and 9,183 in 2024, a -10.5% growth over 14 years. The peak was 10,282 in 2012. Average annual growth rate: -0.75%.
9,183
Population (2024)
10,256
Population (2010)
10,282
Peak (2012)
-0.75%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,256 |
| 2011 | 10,170 |
| 2012 | 10,282 |
| 2013 | 10,188 |
| 2014 | 10,218 |
| 2015 | 10,197 |
| 2016 | 10,209 |
| 2017 | 10,214 |
| 2018 | 10,142 |
| 2019 | 10,200 |
| 2020 | 9,228 |
| 2021 | 9,281 |
| 2022 | 9,140 |
| 2023 | 9,178 |
| 2024 | 9,183 |
Race & Ethnicity
| White | 95.0% |
| Black or African American | 0.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.0% |
Age & Sex
42.5
Median Age
50.6%
Female
49.4%
Male
20.2%
Age 65+
Age Distribution
Children (under 15): 17.5% · Seniors (65+): 20.2%
Income & Poverty
| Median household income | $42,168$-20,249 vs state |
| Mean household income | $57,203 |
| Per-capita income | $23,829 |
| Poverty rate | 14.2%+2.4% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 51.9% |
Top Industries by Employment
The largest employment sector in Clinton County is manufacturing, accounting for 21.2% of workers.
How residents commute
0.0%
Drive alone
0.0%
Carpool
83.7%
Public transit
6.6%
Work from home
18.9 min
Avg commute
Housing
$114,000$-78,300 vs state
Median home value
$629
Median rent
72.5%
Homeownership rate
4,864
Total housing units
77.3%
Occupied
22.7%
Vacant
27.5%
Renter-occupied
Social & access
93.8%
With health insurance
81.8%
With broadband internet
28.9%
Foreign-born
8.9%
Veterans (18+)
22.9%
With a disability
98.6%
Speak language other than English at home
Education
79.2%
High School+
16.5%
Bachelor's+
Largest cities in Kentucky
Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Clinton County, Kentucky has a population of 9,240 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 100th-largest county in Kentucky. Population density is 47 people per square mile.
The population of Clinton County has declined 10.5% since 2010 (10,256 → 9,183), a -0.79% annualized rate.
The median household income in Clinton County, Kentucky is $42,168, with mean (average) household income of $57,203 and per-capita income of $23,829. 14.2% of residents live below the federal poverty level.
In Clinton County, the largest racial and ethnic groups are White (95.0%), Hispanic or Latino (2.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Clinton County, Kentucky is 42.5 years. Residents are 50.6% female and 49.4% male.
The median home value in Clinton County is $114,000 and median monthly rent is $629. 72.5% of occupied housing units are owner-occupied. The county has 4,864 total housing units, 22.7% of which are vacant.
The largest employment sector in Clinton County, Kentucky is manufacturing, employing 21.2% of workers. The unemployment rate is 3.1%.
Louisville/Jefferson County is among the largest cities associated with Clinton County, Kentucky, with a population of 627,210.
Clinton County, KY Climate
Clinton County, KY has an average annual temperature of 13.6°C (56°F) and receives about 1340 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
13.6°C
Avg Temp
1340
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 2° / 35° | 105 mm |
| February | 4° / 39° | 106 mm |
| March | 9° / 47° | 128 mm |
| April | 13° / 56° | 109 mm |
| May | 18° / 64° | 123 mm |
| June | 22° / 72° | 115 mm |
| July | 24° / 76° | 129 mm |
| August | 24° / 75° | 101 mm |
| September | 21° / 69° | 102 mm |
| October | 14° / 58° | 82 mm |
| November | 9° / 48° | 112 mm |
| December | 4° / 39° | 128 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Clinton County, KY
The most comfortable months to visit Clinton County, KY are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -4°C low). July is usually the wettest month.
Where to stay near Clinton County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.