Data / Median age / Douglas County

Median age in Douglas County

Median age in Douglas County was 42 years in 2024, according to the U.S. Census Bureau. That is up 0.1 from 2023. That is the 29th highest of 66 counties in 2024.

2024, years42
Change on 2023+0.1
Rank29th of 66Counties in South Dakota ranked
Series high42.32021
Series low41.62022

Median age in Douglas County, 2021 to 2024

CSVChart (SVG)

41.641.84242.242.420212022202320242021: 42.3 years2022: 41.6 years2023: 41.9 years2024: 42 years
years. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-01-29.
All 4 values
Periodyears
202442
202341.9
202241.6
202142.3

Compared with South Dakota and United States

Place2024
Douglas County42
South Dakota38
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.

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Questions

What is the median age in Douglas County?

Median age in Douglas County was 42 years in 2024, according to the U.S. Census Bureau. That is up 0.1 from 2023. That is the 29th highest of 66 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 Douglas County?

42.3 years in 2021, the highest value since 2021 in this series.

More statistics for Douglas County

All statistics for Douglas County