Data / Population / McLean County

Population in McLean County

Population in McLean County was 9,064 in 2025, according to the U.S. Census Bureau. That is down 0.2% from 2024. That is the 102nd highest of 120 counties in 2025.

2025, persons9,064
Change on 2024-0.2%
Rank102nd of 120Counties in Kentucky ranked
Series high9,1342020
Series low9,0472023

Population in McLean County, 2020 to 2025

CSVChart (SVG)

9,0409,0609,0809,1009,1209,1402020202120222023202420252020: 9,134 persons2021: 9,121 persons2022: 9,108 persons2023: 9,047 persons2024: 9,081 persons2025: 9,064 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20259,064
20249,081
20239,047
20229,108
20219,121
20209,134

Compared with Kentucky and United States

Place2025
McLean County9,064
Kentucky4,606,864
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

What is the latest population in McLean County? Cite the source.
get_value {"indicator":"population","place":"us-county-21149"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-21149

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

What is the population in McLean County?

Population in McLean County was 9,064 in 2025, according to the U.S. Census Bureau. That is down 0.2% from 2024. That is the 102nd highest of 120 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in McLean County?

9,134 in 2020, the highest value since 2020 in this series.

More statistics for McLean County

All statistics for McLean County