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

Counties in Colorado by share of population aged 65 and over

Mineral County had the highest share of population aged 65 and over of 64 counties in 2022, at 36.2%. Adams County had the lowest, at 11.7%. The median was 20.8% and the figure for Colorado was 16%. Source: the U.S. Census Bureau.

Highest36.2Mineral County
Lowest11.7Adams County
Median20.864 counties
Colorado16History

Top 40 counties, 2022

CSVChart (SVG)

Mineral CountyMineral County: 36.2 %36.2Hinsdale CountyHinsdale County: 34.9 %34.9Custer CountyCuster County: 33.7 %33.7Huerfano CountyHuerfano County: 32.5 %32.5Ouray CountyOuray County: 31.5 %31.5Sedgwick CountySedgwick County: 30.8 %30.8Archuleta CountyArchuleta County: 29.7 %29.7Costilla CountyCostilla County: 29.7 %29.7Delta CountyDelta County: 28.5 %28.5Jackson CountyJackson County: 27.5 %27.5Chaffee CountyChaffee County: 27.1 %27.1Las Animas CountyLas Animas County: 26.7 %26.7Teller CountyTeller County: 26.4 %26.4Montrose CountyMontrose County: 26 %26Baca CountyBaca County: 25.8 %25.8Saguache CountySaguache County: 25.2 %25.2Montezuma CountyMontezuma County: 24.8 %24.8Kiowa CountyKiowa County: 24.6 %24.6Fremont CountyFremont County: 24 %24Dolores CountyDolores County: 24 %24Rio Grande CountyRio Grande County: 23.8 %23.8Cheyenne CountyCheyenne County: 23.3 %23.3Washington CountyWashington County: 23 %23Park CountyPark County: 22.9 %22.9Clear Creek CountyClear Creek County: 22.8 %22.8Otero CountyOtero County: 22 %22Mesa CountyMesa County: 21.8 %21.8San Juan CountySan Juan County: 21.7 %21.7Conejos CountyConejos County: 21.7 %21.7Phillips CountyPhillips County: 21.6 %21.6La Plata CountyLa Plata County: 21.5 %21.5Gilpin CountyGilpin County: 20.8 %20.8Pitkin CountyPitkin County: 20.7 %20.7Kit Carson CountyKit Carson County: 20.5 %20.5Pueblo CountyPueblo County: 20.5 %20.5Grand CountyGrand County: 20.4 %20.4Logan CountyLogan County: 19.8 %19.8Rio Blanco CountyRio Blanco County: 19.7 %19.7Elbert CountyElbert County: 19.4 %19.4Bent CountyBent County: 19.2 %19.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2022 (%)Change on 2021
1Mineral County36.2+1.8 pts
2Hinsdale County34.9+0.7 pts
3Custer County33.7-0.2 pts
4Huerfano County32.5-0.2 pts
5Ouray County31.5+1.3 pts
6Sedgwick County30.8+1.1 pts
7Archuleta County29.7+1 pts
8Costilla County29.7+1.8 pts
9Delta County28.5+0.4 pts
10Jackson County27.5+1.9 pts
11Chaffee County27.1-0.3 pts
12Las Animas County26.7-0 pts
13Teller County26.4+0.9 pts
14Montrose County26+0.6 pts
15Baca County25.8-0 pts
16Saguache County25.2+0.4 pts
17Montezuma County24.8+0.4 pts
18Kiowa County24.6+0.5 pts
19Fremont County24+0.2 pts
20Dolores County24-0.8 pts
21Rio Grande County23.8+0.2 pts
22Cheyenne County23.3+0.1 pts
23Washington County23+0.7 pts
24Park County22.9+0.7 pts
25Clear Creek County22.8+0.9 pts
26Otero County22+0.5 pts
27Mesa County21.8+0.6 pts
28San Juan County21.7-2.2 pts
29Conejos County21.7+0.3 pts
30Phillips County21.6+0.5 pts
31La Plata County21.5+0.7 pts
32Gilpin County20.8+1.1 pts
33Pitkin County20.7+1.3 pts
34Kit Carson County20.5+0.6 pts
35Pueblo County20.5+0.3 pts
36Grand County20.4+1 pts
37Logan County19.8+0.7 pts
38Rio Blanco County19.7+0.4 pts
39Elbert County19.4+0.7 pts
40Bent County19.20 pts
41Yuma County18.7+0.4 pts
42Lincoln County18.7+0.8 pts
43Prowers County18.7+0.3 pts
44Jefferson County18.6+0.5 pts
45Routt County18.5+0.8 pts
46Larimer County18.3+0.5 pts
47Moffat County17.4+0.5 pts
48Boulder County17.1+0.6 pts
49Morgan County17.1-0 pts
50Alamosa County16.7+0.2 pts
51Crowley County16.2+0.8 pts
52San Miguel County16+0.9 pts
53Broomfield County15.6+0.5 pts
54Gunnison County15.5+0.4 pts
55Garfield County14.7+0.5 pts
56Arapahoe County14.6+0.4 pts
57El Paso County14.5+0.3 pts
58Summit County14.3+0.5 pts
59Douglas County14.3+0.6 pts
60Lake County14+0.8 pts
61Eagle County13.4+0.9 pts
62Weld County13+0.2 pts
63Denver County12.4+0.1 pts
64Adams County11.7+0.2 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 Colorado 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":"Colorado","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=Colorado&limit=10

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Questions

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

Mineral County, with 36.2% in 2022, according to the U.S. Census Bureau.

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

Adams County, with 11.7% in 2022.

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 Colorado: more rankings