Data / Rankings / Median age / Counties in Kansas

Counties in Kansas by median age, 2024

Jewell County had the highest median age of 105 counties in 2024, at 51.2 years. Riley County had the lowest, at 25.5 years. The median was 41.2 years and the figure for Kansas was 37.4 years. Source: the U.S. Census Bureau.

Highest51.2Jewell County
Lowest25.5Riley County
Median41.2105 counties
Kansas37.4History

Top 40 counties, 2024

CSVChart (SVG)

Jewell CountyJewell County: 51.2 years51.2Lane CountyLane County: 50.3 years50.3Decatur CountyDecatur County: 50.1 years50.1Comanche CountyComanche County: 49.6 years49.6Smith CountySmith County: 49.1 years49.1Elk CountyElk County: 48.8 years48.8Hodgeman CountyHodgeman County: 48.6 years48.6Trego CountyTrego County: 48 years48Greenwood CountyGreenwood County: 47.8 years47.8Wallace CountyWallace County: 47.2 years47.2Rawlins CountyRawlins County: 46.5 years46.5Morris CountyMorris County: 46.4 years46.4Osborne CountyOsborne County: 46.4 years46.4Morton CountyMorton County: 46.1 years46.1Pawnee CountyPawnee County: 46.1 years46.1Graham CountyGraham County: 46 years46Woodson CountyWoodson County: 45.9 years45.9Linn CountyLinn County: 45.7 years45.7Phillips CountyPhillips County: 45.7 years45.7Rooks CountyRooks County: 45.7 years45.7Chase CountyChase County: 45.5 years45.5Chautauqua CountyChautauqua County: 45.2 years45.2Rush CountyRush County: 45.2 years45.2Ness CountyNess County: 45.1 years45.1Republic CountyRepublic County: 44.9 years44.9Russell CountyRussell County: 44.4 years44.4Edwards CountyEdwards County: 44.2 years44.2Jefferson CountyJefferson County: 44.2 years44.2Coffey CountyCoffey County: 44 years44Clark CountyClark County: 43.7 years43.7Clay CountyClay County: 43.7 years43.7Ellsworth CountyEllsworth County: 43.5 years43.5Marion CountyMarion County: 43.5 years43.5Washington CountyWashington County: 43.4 years43.4Wabaunsee CountyWabaunsee County: 43.3 years43.3Marshall CountyMarshall County: 43.2 years43.2Mitchell CountyMitchell County: 43.1 years43.1Lincoln CountyLincoln County: 42.9 years42.9Osage CountyOsage County: 42.9 years42.9Dickinson CountyDickinson County: 42.8 years42.8
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2024
years		Change on 2023
1Jewell County51.2+0.9
2Lane County50.3+1.4
3Decatur County50.1-2
4Comanche County49.6-1.2
5Smith County49.1-0.9
6Elk County48.8-0.8
7Hodgeman County48.6+2.7
8Trego County48+0.3
9Greenwood County47.8-0.6
10Wallace County47.20
11Rawlins County46.5-0.5
12Morris County46.4-2.3
12Osborne County46.4-0.4
14Morton County46.1+2.4
14Pawnee County46.1+1.2
16Graham County46-0.1
17Woodson County45.9-4
18Linn County45.7+0.2
18Phillips County45.7+1.1
18Rooks County45.7-0.3
21Chase County45.5+1
22Chautauqua County45.2-0.1
22Rush County45.2-0.8
24Ness County45.1-1
25Republic County44.9-1.1
26Russell County44.4-0.9
27Edwards County44.2-0.1
27Jefferson County44.2+0.4
29Coffey County440
30Clark County43.7-2.8
30Clay County43.7+0.6
32Ellsworth County43.5-0.2
32Marion County43.5-0.2
34Washington County43.4-0.5
35Wabaunsee County43.3+0.1
36Marshall County43.2+0.6
37Mitchell County43.1-0.2
38Lincoln County42.9-1.2
38Osage County42.9+0.1
40Dickinson County42.8+0.7
41Sheridan County42.7-0.7
41Wilson County42.7+0.4
43Barber County42.5-0.1
44Ottawa County42.4-0.1
45Stafford County42.3+0.2
46Cherokee County42.2+0.2
47Kingman County42.1-1.3
48Logan County41.9+0.8
49Brown County41.7-0.3
49Miami County41.7-0.1
51Norton County41.3+1.1
51Sumner County41.3+0.1
53Allen County41.2-0.1
53Jackson County41.2+0.2
53Montgomery County41.2+0.9
56Doniphan County41.1-0.2
56Kiowa County41.1-0.1
58Labette County41-0.4
59Reno County40.9+0.2
60Gove County40.8-0.9
61Cheyenne County40.6+0.8
61Harper County40.6-0.2
63Harvey County40.5+0.3
64Cloud County40.2+0.8
65Nemaha County40.1+0.1
66Anderson County40-0.4
67Saline County39.9+0.1
68Franklin County39.7-0.4
69McPherson County39.4+0.3
69Shawnee County39.4-0.2
71Cowley County39.2+1.1
71Neosho County39.2-1.1
73Bourbon County39.1+0.3
73Stanton County39.1+2.6
73Stevens County39.1+1.1
76Barton County38.80
76Meade County38.8+1.3
76Pratt County38.8+0.6
76Wichita County38.8+0.1
80Johnson County38.6+0.3
80Rice County38.6-0.4
82Sherman County38.5-0.4
83Butler County38.4+0.1
84Scott County38.2-1.1
85Leavenworth County38-0.3
86Gray County37.9+1.3
87Greeley County37.1-2.8
87Kearny County37.1-0.4
89Haskell County37-1
90Pottawatomie County36.4+0.2
91Atchison County36.1-0.3
92Sedgwick County36+0.1
93Thomas County35.30
94Wyandotte County34.3+0.1
95Crawford County33.6-0.2
96Grant County33.4+0.5
97Ellis County33.2+0.7
98Lyon County33.10
99Ford County32.3+0.4
100Hamilton County32.1-4.3
101Finney County31.9-0.2
102Douglas County31.6+0.3
103Seward County310
104Geary County27.10
105Riley County25.5+0.3

Other periods

About this ranking

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.

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. 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

Which county has the highest median age?

Jewell County, with 51.2 years in 2024, according to the U.S. Census Bureau.

Which county has the lowest median age?

Riley County, with 25.5 years 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, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Kansas: more rankings