McLean County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 101st-largest in Kentucky
The population of McLean County, Kentucky is 9,127 as of the 2023 American Community Survey, making it the 101st-largest county in Kentucky. The median household income is $70,549, the median home value is $145,600, and the median age is 43.2.
The population of McLean County has declined 4.0% since 2010 (9,503 → 9,126), a -0.29% annualized rate.
9,127
Population
-0.29%
Annual growth
36
People / sq mi
$70,549
Median Income
$145,600
Median Home Value
McLean County covers 253 sq mi of land at 36.1 people per square mile.
About McLean County, KY
McLean County is a county in Kentucky with a population of 9,127. It ranks #101 among counties in Kentucky by population. The median age is 43.2, older than the national median. The population is 50.5% male and 49.5% female.
The median household income in McLean County is $70,549, below the US median of $74,580. 6.9% of residents live below the federal poverty level. Home values sit at a median of $145,600, with monthly rent averaging $602. The homeownership rate of 81.2% is higher than the national rate of 64.8%.
Educational attainment in McLean County reflects 18.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 4.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 28.6 minutes each way.
McLean County Population History (2010-2024)
The county of McLean County had a population of 9,503 in 2010 and 9,126 in 2024, a -4.0% growth over 14 years. The peak was 9,503 in 2010. Average annual growth rate: -0.29%.
9,126
Population (2024)
9,503
Population (2010)
9,503
Peak (2010)
-0.29%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 9,503 |
| 2011 | 9,497 |
| 2012 | 9,478 |
| 2013 | 9,442 |
| 2014 | 9,397 |
| 2015 | 9,385 |
| 2016 | 9,333 |
| 2017 | 9,202 |
| 2018 | 9,237 |
| 2019 | 9,162 |
| 2020 | 9,133 |
| 2021 | 9,121 |
| 2022 | 9,112 |
| 2023 | 9,076 |
| 2024 | 9,126 |
Race & Ethnicity
| White | 95.8% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
43.2
Median Age
49.5%
Female
50.5%
Male
19.8%
Age 65+
Age Distribution
Children (under 15): 18.4% · Seniors (65+): 19.8%
Income & Poverty
| Median household income | $70,549+$8,132 vs state |
| Mean household income | $86,894 |
| Per-capita income | $34,206 |
| Poverty rate | 6.9%-4.9% vs state |
| Unemployment rate | 3.7% |
| Employment-to-population | 52.3% |
Top Industries by Employment
The largest employment sector in McLean County is professional & business services, accounting for 22.9% of workers.
How residents commute
0.1%
Drive alone
1.4%
Carpool
85.8%
Public transit
4.7%
Work from home
28.6 min
Avg commute
Housing
$145,600$-46,700 vs state
Median home value
$602
Median rent
81.2%
Homeownership rate
4,171
Total housing units
86.5%
Occupied
13.5%
Vacant
18.8%
Renter-occupied
Social & access
95.8%
With health insurance
93.0%
With broadband internet
13.2%
Foreign-born
6.3%
Veterans (18+)
19.8%
With a disability
98.2%
Speak language other than English at home
Education
92.1%
High School+
18.4%
Bachelor's+
Largest cities in Kentucky
Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
McLean County, Kentucky has a population of 9,127 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 101st-largest county in Kentucky. Population density is 36 people per square mile.
The population of McLean County has declined 4.0% since 2010 (9,503 → 9,126), a -0.29% annualized rate.
The median household income in McLean County, Kentucky is $70,549, with mean (average) household income of $86,894 and per-capita income of $34,206. 6.9% of residents live below the federal poverty level.
In McLean County, the largest racial and ethnic groups are White (95.8%), Hispanic or Latino (0.9%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in McLean County, Kentucky is 43.2 years. Residents are 49.5% female and 50.5% male.
The median home value in McLean County is $145,600 and median monthly rent is $602. 81.2% of occupied housing units are owner-occupied. The county has 4,171 total housing units, 13.5% of which are vacant.
The largest employment sector in McLean County, Kentucky is professional, scientific, and management services, employing 22.9% of workers. The unemployment rate is 3.7%.
Louisville/Jefferson County is among the largest cities associated with McLean County, Kentucky, with a population of 627,210.
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Statewide data for Kentucky
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.