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 distinguished by its share of foreign-born residents, 13.2% of the population. With 9,127 residents, McLean County is a county in Kentucky.
Median household income is $70,549, below the US median of $78,538. Poverty is relatively low for US counties at 6.9%, below the national 12.4%. Median home value is $145,600, with typical rent around $602.
18.4% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is on the lower side here, at 4.7%, below the national 14.0%, and the average commute runs about 29 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.