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 2023, at 30.6%. Campbell County had the lowest, at 13.6%. The median was 21.5% and the figure for Wyoming was 19.6%. Source: the U.S. Census Bureau.

Highest30.6Niobrara County
Lowest13.6Campbell County
Median21.523 counties
Wyoming19.6History

All counties, 2023

CSVChart (SVG)

Niobrara CountyNiobrara County: 30.6 %30.6Hot Springs CountyHot Springs County: 30.4 %30.4Johnson CountyJohnson County: 28.4 %28.4Platte CountyPlatte County: 27.9 %27.9Park CountyPark County: 26.2 %26.2Goshen CountyGoshen County: 26 %26Washakie CountyWashakie County: 25.7 %25.7Crook CountyCrook County: 25.3 %25.3Weston CountyWeston County: 24.9 %24.9Sheridan CountySheridan County: 24.3 %24.3Big Horn CountyBig Horn County: 23.1 %23.1Sublette CountySublette County: 21.5 %21.5Fremont CountyFremont County: 21.2 %21.2Lincoln CountyLincoln County: 21 %21Carbon CountyCarbon County: 20.2 %20.2Converse CountyConverse County: 19.8 %19.8Laramie CountyLaramie County: 18.5 %18.5Teton CountyTeton County: 18.4 %18.4Natrona CountyNatrona County: 18 %18Uinta CountyUinta County: 17.6 %17.6Sweetwater CountySweetwater County: 15.8 %15.8Albany CountyAlbany County: 14.3 %14.3Campbell CountyCampbell County: 13.6 %13.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2023 (%)Change on 2022
1Niobrara County30.6+2 pts
2Hot Springs County30.4+0.6 pts
3Johnson County28.4+0.7 pts
4Platte County27.9+0.9 pts
5Park County26.2+0.6 pts
6Goshen County26+0.6 pts
7Washakie County25.7+0.5 pts
8Crook County25.3+0.6 pts
9Weston County24.9+0.8 pts
10Sheridan County24.3+0.5 pts
11Big Horn County23.1+0.4 pts
12Sublette County21.5+0.7 pts
13Fremont County21.2+0.5 pts
14Lincoln County21+0.6 pts
15Carbon County20.2+0.8 pts
16Converse County19.8+0.6 pts
17Laramie County18.5+0.4 pts
18Teton County18.4+0.8 pts
19Natrona County18+0.6 pts
20Uinta County17.6+0.9 pts
21Sweetwater County15.8+0.6 pts
22Albany County14.3+0.4 pts
23Campbell County13.6+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 30.6% in 2023, according to the U.S. Census Bureau.

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

Campbell County, with 13.6% in 2023.

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