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

Counties in Kansas by share of population aged 65 and over

Smith County had the highest share of population aged 65 and over of 105 counties in 2021, at 30.3%. Geary County had the lowest, at 9.8%. The median was 21.4% and the figure for Kansas was 17.2%. Source: the U.S. Census Bureau.

Highest30.3Smith County
Lowest9.8Geary County
Median21.4105 counties
Kansas17.2History

Top 40 counties, 2021

CSVChart (SVG)

Smith CountySmith County: 30.3 %30.3Jewell CountyJewell County: 29.3 %29.3Decatur CountyDecatur County: 28.8 %28.8Rawlins CountyRawlins County: 28.5 %28.5Elk CountyElk County: 28.1 %28.1Graham CountyGraham County: 28 %28Osborne CountyOsborne County: 27.8 %27.8Republic CountyRepublic County: 27.7 %27.7Rush CountyRush County: 27.6 %27.6Ness CountyNess County: 27.4 %27.4Greenwood CountyGreenwood County: 27.1 %27.1Lincoln CountyLincoln County: 27.1 %27.1Comanche CountyComanche County: 26.7 %26.7Cheyenne CountyCheyenne County: 26.6 %26.6Barber CountyBarber County: 26.6 %26.6Trego CountyTrego County: 26.3 %26.3Phillips CountyPhillips County: 26 %26Lane CountyLane County: 25.8 %25.8Mitchell CountyMitchell County: 25.3 %25.3Morris CountyMorris County: 25.3 %25.3Chautauqua CountyChautauqua County: 25.1 %25.1Woodson CountyWoodson County: 24.4 %24.4Harper CountyHarper County: 24.3 %24.3Clay CountyClay County: 24.3 %24.3Marion CountyMarion County: 24.2 %24.2Chase CountyChase County: 24 %24Rooks CountyRooks County: 23.9 %23.9Russell CountyRussell County: 23.9 %23.9Washington CountyWashington County: 23.7 %23.7Marshall CountyMarshall County: 23.7 %23.7Ellsworth CountyEllsworth County: 23.5 %23.5Clark CountyClark County: 23.2 %23.2Stafford CountyStafford County: 23.2 %23.2Coffey CountyCoffey County: 23.1 %23.1Sheridan CountySheridan County: 23.1 %23.1Wallace CountyWallace County: 23.1 %23.1Hodgeman CountyHodgeman County: 23 %23Kiowa CountyKiowa County: 22.9 %22.9Edwards CountyEdwards County: 22.9 %22.9Wilson CountyWilson County: 22.8 %22.8
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2021 (%)Change on 2020
1Smith County30.3+0.9 pts
2Jewell County29.3+0.5 pts
3Decatur County28.8+0.8 pts
4Rawlins County28.5+0.6 pts
5Elk County28.1-0.1 pts
6Graham County28-0.2 pts
7Osborne County27.8+1 pts
8Republic County27.7+0.4 pts
9Rush County27.6+0.3 pts
10Ness County27.4-0.1 pts
11Greenwood County27.1+0.6 pts
12Lincoln County27.1+1.2 pts
13Comanche County26.7+0.5 pts
14Cheyenne County26.60 pts
15Barber County26.6+1.2 pts
16Trego County26.3+0.3 pts
17Phillips County26+0.4 pts
18Lane County25.8-0.3 pts
19Mitchell County25.3-0.2 pts
20Morris County25.3+0.5 pts
21Chautauqua County25.1+0.1 pts
22Woodson County24.4+0.2 pts
23Harper County24.3+0.6 pts
24Clay County24.3+0.4 pts
25Marion County24.2+0.5 pts
26Chase County24+0.2 pts
27Rooks County23.9+0.7 pts
28Russell County23.9+0.4 pts
29Washington County23.70 pts
30Marshall County23.7+0.7 pts
31Ellsworth County23.5+0.4 pts
32Clark County23.2+0.3 pts
33Stafford County23.2+0.7 pts
34Coffey County23.1+0.4 pts
35Sheridan County23.1-0.1 pts
36Wallace County23.1-0.1 pts
37Hodgeman County23+0.4 pts
38Kiowa County22.9+0.8 pts
39Edwards County22.90 pts
40Wilson County22.8+0.5 pts
41Cloud County22.7+0.2 pts
42Kingman County22.7-0.4 pts
43Gove County22.1-0.9 pts
44Pawnee County22+0.6 pts
45Linn County21.90 pts
46Wabaunsee County21.9+0.5 pts
47Allen County21.9+0.5 pts
48Osage County21.8+0.3 pts
49Brown County21.7+0.5 pts
50Dickinson County21.6+0.2 pts
51Pratt County21.5+0.4 pts
52Logan County21.5+0.7 pts
53Morton County21.4+0.5 pts
54Harvey County21.4+0.4 pts
55McPherson County21.4+0.3 pts
56Anderson County21.2+0.3 pts
57Ottawa County21.2+0.1 pts
58Nemaha County21.1-0.1 pts
59Montgomery County21+0.2 pts
60Reno County21+0.4 pts
61Sumner County20.8+0.4 pts
62Wichita County20.7+0.5 pts
63Barton County20.6+0.3 pts
64Jefferson County20.6+0.5 pts
65Sherman County20.4+0.1 pts
66Greeley County20.4-0.9 pts
67Cherokee County20.4+0.3 pts
68Doniphan County20.2+0.2 pts
69Rice County20.20 pts
70Neosho County20.1+0.3 pts
71Bourbon County20.1+0.2 pts
72Labette County20.1+0.5 pts
73Norton County19.9+0.4 pts
74Jackson County19.8+0.3 pts
75Shawnee County19.5+0.4 pts
76Scott County19.5-0.3 pts
77Saline County19.3+0.5 pts
78Cowley County19-0.1 pts
79Meade County18.7+0.1 pts
80Thomas County18.7+0.6 pts
81Atchison County18.7+0.7 pts
82Franklin County18.6+0.4 pts
83Miami County18.2+0.4 pts
84Gray County17.6-0.3 pts
85Stanton County17.4+0.3 pts
86Ellis County17+0.5 pts
87Lyon County17+0.5 pts
88Butler County16.8+0.4 pts
89Kearny County16.6+0.7 pts
90Crawford County16.4+0.1 pts
91Johnson County16.2+0.5 pts
92Stevens County160 pts
93Leavenworth County16+0.5 pts
94Sedgwick County15.8+0.5 pts
95Pottawatomie County15.8+0.4 pts
96Haskell County15.7+0.9 pts
97Douglas County14.5+0.6 pts
98Hamilton County14.5+0.5 pts
99Grant County14.3+0.2 pts
100Wyandotte County13.2+0.4 pts
101Ford County11.6+0.2 pts
102Finney County11.5+0.4 pts
103Seward County10.8+0.2 pts
104Riley County10.7+0.4 pts
105Geary County9.8+0.5 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 Kansas 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":"Kansas","limit":10}
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Questions

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

Smith County, with 30.3% in 2021, according to the U.S. Census Bureau.

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

Geary County, with 9.8% in 2021.

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 Kansas: more rankings