Data / Rankings / Population aged 65 and over / Counties in Wyoming

Counties in Wyoming by share of population aged 65 and over

Niobrara County had the highest share of population aged 65 and over of 23 counties in 2024, at 31.3%. Campbell County had the lowest, at 14.3%. The median was 22.1% and the figure for Wyoming was 20.1%. Source: the U.S. Census Bureau.

Highest31.3Niobrara County
Lowest14.3Campbell County
Median22.123 counties
Wyoming20.1History

All counties, 2024

CSVChart (SVG)

Niobrara CountyNiobrara County: 31.3 %31.3Hot Springs CountyHot Springs County: 30.7 %30.7Johnson CountyJohnson County: 29.1 %29.1Platte CountyPlatte County: 28.9 %28.9Park CountyPark County: 26.9 %26.9Washakie CountyWashakie County: 26.7 %26.7Goshen CountyGoshen County: 26.5 %26.5Weston CountyWeston County: 25.6 %25.6Crook CountyCrook County: 25.6 %25.6Sheridan CountySheridan County: 24.8 %24.8Big Horn CountyBig Horn County: 23.6 %23.6Sublette CountySublette County: 22.1 %22.1Fremont CountyFremont County: 21.7 %21.7Lincoln CountyLincoln County: 21.6 %21.6Carbon CountyCarbon County: 21.3 %21.3Converse CountyConverse County: 20.8 %20.8Teton CountyTeton County: 19 %19Laramie CountyLaramie County: 18.9 %18.9Natrona CountyNatrona County: 18.4 %18.4Uinta CountyUinta County: 18.3 %18.3Sweetwater CountySweetwater County: 16.4 %16.4Albany CountyAlbany County: 14.5 %14.5Campbell CountyCampbell County: 14.3 %14.3
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2024 (%)Change on 2023
1Niobrara County31.3+0.6 pts
2Hot Springs County30.7+0.3 pts
3Johnson County29.1+0.6 pts
4Platte County28.9+1 pts
5Park County26.9+0.6 pts
6Washakie County26.7+1 pts
7Goshen County26.5+0.5 pts
8Weston County25.6+0.6 pts
9Crook County25.6+0.3 pts
10Sheridan County24.8+0.5 pts
11Big Horn County23.6+0.5 pts
12Sublette County22.1+0.6 pts
13Fremont County21.7+0.5 pts
14Lincoln County21.6+0.6 pts
15Carbon County21.3+1.1 pts
16Converse County20.8+1 pts
17Teton County19+0.6 pts
18Laramie County18.9+0.4 pts
19Natrona County18.4+0.4 pts
20Uinta County18.3+0.7 pts
21Sweetwater County16.4+0.6 pts
22Albany County14.5+0.2 pts
23Campbell County14.3+0.7 pts

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

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Rank Counties in Wyoming by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"Wyoming","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=Wyoming&limit=10

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Questions

Which county has the highest share of population aged 65 and over?

Niobrara County, with 31.3% in 2024, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Campbell County, with 14.3% in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

Counties in Wyoming: more rankings