How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 9,100 people living in McLean County, KY. That makes McLean County the 101st-most populous county in Kentucky. It is home to 0.2% of people living in the state.

9.13K

population of McLean County, KY (2024)

0.2%

County share of the Kentucky population (2024)

About 9,100 people lived in McLean County, KY in 2024.

Population estimates, 2000–2024

What are McLean County, KY’s age demographics?

About 1,900 McLean County, KY residents are aged 65 and older in 2024. That represents 20.6% of its population. For comparison, the age group represents 18.1% of Kentucky’s population and 18% in the US overall.
Another 2,100 McLean County residents, or 23.1% of the population, were children under 18. For comparison, the age group represents 22.4% of Kentucky’s population and 21.6% in the US overall.


A lower share of McLean County, KY's population is aged 25–44 than the US as a whole.

Population estimates by age group, (2024)

What are McLean County, KY’s racial and ethnic demographics?

Non-Hispanic white residents make up 94.1% of the McLean County, KY population, higher than the national share of 57.5%.
In contrast, McLean County’s Hispanic population accounts for 2.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.2% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.

McLean County, KY has a higher share of a non-Hispanic white population than Kentucky as a whole.

Population estimates by race and ethnicity, (2024)

The largest city or town in McLean County, KY is Livermore with about 1,200 residents in 2024.

Cities and towns in McLean County, KY ranked by population

Population (2024), includes only portions within county

Cities and towns in McLean County, KY ranked by population
City or townPopulation
1.

Livermore 

1,204
2.

Calhoun 

719
3.

Island 

446
4.

Sacramento 

424
5.

Balance of McLean County

6,333

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.