Data / Median age / Gilliam County

Median age in Gilliam County

Median age in Gilliam County was 50.1 years in 2024, according to the U.S. Census Bureau. That is down 0.2 from 2023. That is the 5th highest of 36 counties in 2024.

2024, years50.1
Change on 2023-0.2
Rank5th of 36Counties in Oregon ranked
Series high53.22021
Series low50.12024

Median age in Gilliam County, 2021 to 2024

CSVChart (SVG)

505152535420212022202320242021: 53.2 years2022: 51 years2023: 50.3 years2024: 50.1 years
years. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-01-29.
All 4 values
Periodyears
202450.1
202350.3
202251
202153.2

Compared with Oregon and United States

Place2024
Gilliam County50.1
Oregon40.4
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 Gilliam County?

Median age in Gilliam County was 50.1 years in 2024, according to the U.S. Census Bureau. That is down 0.2 from 2023. That is the 5th highest of 36 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 Gilliam County?

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

More statistics for Gilliam County

All statistics for Gilliam County