Data / Median age / Cook County

Median age in Cook County

Median age in Cook County was 53 years in 2024, according to the U.S. Census Bureau. That is up 0.7 from 2023. That is the 2nd highest of 87 counties in 2024.

2024, years53
Change on 2023+0.7
Rank2nd of 87Counties in Minnesota ranked
Series high532024
Series low52.22022

Median age in Cook County, 2021 to 2024

CSVChart (SVG)

52.252.452.652.85320212022202320242021: 52.4 years2022: 52.2 years2023: 52.3 years2024: 53 years
years. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-01-29.
All 4 values
Periodyears
202453
202352.3
202252.2
202152.4

Compared with Minnesota and United States

Place2024
Cook County53
Minnesota38.8
United States38.9

Rankings

Definition

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. 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 median age in Cook County? Cite the source.
get_value {"indicator":"median_age","place":"us-county-27031"}
GET https://invokely.ai/api/v1/value?indicator=median_age&place=us-county-27031

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

Questions

What is the median age in Cook County?

Median age in Cook County was 53 years in 2024, according to the U.S. Census Bureau. That is up 0.7 from 2023. That is the 2nd highest of 87 counties in 2024.

Where does this figure come from?

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved by Invokely on 2026-10-08.

What was the highest median age in Cook County?

53 years in 2024, the highest value since 2021 in this series.

More statistics for Cook County

All statistics for Cook County