Clark County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 27th-largest in Kentucky
The population of Clark County, Kentucky is 37,004 as of the 2023 American Community Survey, making it the 27th-largest county in Kentucky. The median household income is $67,824, the median home value is $197,900, and the median age is 40.8.
The population of Clark County has grown 5.8% since 2010 (35,599 → 37,673), a +0.41% annualized rate.
37,004
Population
+0.41%
Annual growth
147
People / sq mi
$67,824
Median Income
$197,900
Median Home Value
Clark County covers 252 sq mi of land at 146.6 people per square mile.
About Clark County, KY
Clark County stands apart on settlement density — it is among the most densely settled of US counties, at roughly 147 people per square mile. Clark County is a county in Kentucky with a population of 37,004. It ranks #27 among counties in Kentucky by population.
The typical household here earns about $67,824, below the US median of $78,538. Poverty runs at 7.5%, below the national 12.4%. Homes carry a median value of $197,900, with typical rent around $883.
Roughly 22.2% of adults have a bachelor’s, below the national 35.0%. About 10.3% of workers primarily work from home, below the national 14.0%, and the average commute runs about 24 minutes each way.
That density explains much of the rest of the profile in Clark County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Clark County Population History (2010-2024)
The county of Clark County had a population of 35,599 in 2010 and 37,673 in 2024, a 5.8% growth over 14 years. The peak was 37,673 in 2024. Average annual growth rate: 0.41%.
37,673
Population (2024)
35,599
Population (2010)
37,673
Peak (2024)
0.41%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 35,599 |
| 2011 | 35,438 |
| 2012 | 35,694 |
| 2013 | 35,566 |
| 2014 | 35,643 |
| 2015 | 35,685 |
| 2016 | 35,869 |
| 2017 | 35,941 |
| 2018 | 36,209 |
| 2019 | 36,280 |
| 2020 | 37,047 |
| 2021 | 36,892 |
| 2022 | 37,012 |
| 2023 | 37,337 |
| 2024 | 37,673 |
Race & Ethnicity
| White | 89.7% |
| Black or African American | 4.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
40.8
Median Age
51.5%
Female
48.5%
Male
18.2%
Age 65+
Age Distribution
Children (under 15): 18.4% · Seniors (65+): 18.2%
Income & Poverty
| Median household income | $67,824+$5,407 vs state |
| Mean household income | $94,803 |
| Per-capita income | $39,131 |
| Poverty rate | 7.5%-4.3% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 57.2% |
Top Industries by Employment
The largest employment sector in Clark County is professional & business services, accounting for 22.8% of workers.
How residents commute
0.0%
Drive alone
0.9%
Carpool
79.8%
Public transit
10.3%
Work from home
24.0 min
Avg commute
Housing
$197,900+$5,600 vs state
Median home value
$883
Median rent
71.5%
Homeownership rate
16,279
Total housing units
91.7%
Occupied
8.3%
Vacant
28.5%
Renter-occupied
Social & access
96.2%
With health insurance
93.2%
With broadband internet
23.0%
Foreign-born
7.0%
Veterans (18+)
19.6%
With a disability
97.1%
Speak language other than English at home
Education
89.9%
High School+
22.2%
Bachelor's+
Largest cities in Kentucky
Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Clark County, Kentucky has a population of 37,004 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 27th-largest county in Kentucky. Population density is 147 people per square mile.
The population of Clark County has grown 5.8% since 2010 (35,599 → 37,673), a +0.41% annualized rate.
The median household income in Clark County, Kentucky is $67,824, with mean (average) household income of $94,803 and per-capita income of $39,131. 7.5% of residents live below the federal poverty level.
In Clark County, the largest racial and ethnic groups are White (89.7%), Black or African American (4.3%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Clark County, Kentucky is 40.8 years. Residents are 51.5% female and 48.5% male.
The median home value in Clark County is $197,900 and median monthly rent is $883. 71.5% of occupied housing units are owner-occupied. The county has 16,279 total housing units, 8.3% of which are vacant.
The largest employment sector in Clark County, Kentucky is professional, scientific, and management services, employing 22.8% of workers. The unemployment rate is 2.9%.
Louisville/Jefferson County is among the largest cities associated with Clark County, Kentucky, with a population of 627,210.
Clark County, KY Climate
Clark County, KY has an average annual temperature of 12.3°C (54°F) and receives about 1173 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.3°C
Avg Temp
1173
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 0° / 31° | 77 mm |
| February | 2° / 35° | 83 mm |
| March | 7° / 44° | 110 mm |
| April | 12° / 53° | 104 mm |
| May | 17° / 62° | 120 mm |
| June | 22° / 71° | 104 mm |
| July | 24° / 75° | 119 mm |
| August | 23° / 74° | 100 mm |
| September | 20° / 68° | 90 mm |
| October | 13° / 56° | 72 mm |
| November | 7° / 45° | 92 mm |
| December | 3° / 37° | 102 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 Clark County, KY
The most comfortable months to visit Clark County, KY are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -5°C low). May is usually the wettest month.
Where to stay near Clark County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.