Data / Rankings / Median age / Counties in Missouri

Counties in Missouri by median age, 2024

Hickory County had the highest median age of 115 counties in 2024, at 55.2 years. Pulaski County had the lowest, at 27.8 years. The median was 41.1 years and the figure for Missouri was 39 years. Source: the U.S. Census Bureau.

Highest55.2Hickory County
Lowest27.8Pulaski County
Median41.1115 counties
Missouri39History

Top 40 counties, 2024

CSVChart (SVG)

Hickory CountyHickory County: 55.2 years55.2Stone CountyStone County: 54.6 years54.6Benton CountyBenton County: 54.5 years54.5Camden CountyCamden County: 53.2 years53.2Ozark CountyOzark County: 51.4 years51.4Wayne CountyWayne County: 48.6 years48.6Worth CountyWorth County: 48.5 years48.5Holt CountyHolt County: 47.4 years47.4Dade CountyDade County: 47 years47Gasconade CountyGasconade County: 46.8 years46.8Atchison CountyAtchison County: 46.7 years46.7Reynolds CountyReynolds County: 46.1 years46.1St. Clair CountySt. Clair County: 46.1 years46.1Putnam CountyPutnam County: 45.9 years45.9Ralls CountyRalls County: 45.9 years45.9Monroe CountyMonroe County: 45.7 years45.7Douglas CountyDouglas County: 45.5 years45.5Morgan CountyMorgan County: 45.4 years45.4Maries CountyMaries County: 44.9 years44.9Shannon CountyShannon County: 44.9 years44.9Iron CountyIron County: 44.8 years44.8Chariton CountyChariton County: 44.7 years44.7Bollinger CountyBollinger County: 44.5 years44.5Oregon CountyOregon County: 44.5 years44.5Sullivan CountySullivan County: 44.1 years44.1Henry CountyHenry County: 43.7 years43.7Carroll CountyCarroll County: 43.6 years43.6Montgomery CountyMontgomery County: 43.6 years43.6Clark CountyClark County: 43.5 years43.5Dent CountyDent County: 43.5 years43.5Macon CountyMacon County: 43.5 years43.5Barry CountyBarry County: 43.4 years43.4Ste. Genevieve CountySte. Genevieve County: 43.3 years43.3Caldwell CountyCaldwell County: 43.2 years43.2Cedar CountyCedar County: 43 years43Crawford CountyCrawford County: 43 years43Texas CountyTexas County: 42.9 years42.9Shelby CountyShelby County: 42.7 years42.7Taney CountyTaney County: 42.6 years42.6Andrew CountyAndrew County: 42.5 years42.5
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2024
years		Change on 2023
1Hickory County55.20
2Stone County54.6+0.2
3Benton County54.5+0.1
4Camden County53.2+0.2
5Ozark County51.4-0.5
6Wayne County48.6+0.4
7Worth County48.5-0.5
8Holt County47.4-0.4
9Dade County47+0.3
10Gasconade County46.8+0.5
11Atchison County46.7-1
12Reynolds County46.10
12St. Clair County46.1-1.1
14Putnam County45.9+0.3
14Ralls County45.9+0.1
16Monroe County45.7-0.1
17Douglas County45.5-1.1
18Morgan County45.40
19Maries County44.9-0.5
19Shannon County44.9-0.6
21Iron County44.8-0.5
22Chariton County44.7-0.5
23Bollinger County44.5+0.2
23Oregon County44.5-0.1
25Sullivan County44.1-0.1
26Henry County43.7-0.4
27Carroll County43.6-0.1
27Montgomery County43.6-0.2
29Clark County43.50
29Dent County43.5-0.3
29Macon County43.5+0.6
32Barry County43.4+0.4
33Ste. Genevieve County43.3+0.1
34Caldwell County43.2+0.5
35Cedar County43-1.5
35Crawford County43+0.7
37Texas County42.9+0.1
38Shelby County42.7-0.9
39Taney County42.6+0.6
40Andrew County42.5+0.4
41Mercer County42.4+1.6
42DeKalb County42.2-0.1
42Perry County42.2+0.6
44Linn County42.1-0.3
45Clinton County42-0.1
45Stoddard County42+0.1
47Ray County41.9-0.3
47Vernon County41.9+0.2
49Franklin County41.8+0.4
49Harrison County41.8+0.9
51Dallas County41.7-0.8
52Bates County41.4+0.6
53Miller County41.3+0.5
53New Madrid County41.3-0.5
55Barton County41.1+0.5
55Madison County41.1-0.3
55Mississippi County41.1-1.1
55Osage County41.1+0.3
55Wright County41.1-0.1
60Lafayette County40.90
61Warren County40.80
62Ripley County40.7-0.7
62Washington County40.7+0.5
64Grundy County40.6+0.9
65Cooper County40.5+0.6
66Cass County40.4+0.3
67Daviess County40.3-0.3
67Howell County40.3+0.2
67Jefferson County40.3+0.1
67St. Louis County40.3+0.1
71Audrain County40.2-0.1
71Gentry County40.2-0.3
71Newton County40.20
74Knox County40.1+0.3
75Randolph County40-0.1
76Cole County39.9+0.2
77Livingston County39.8-0.1
77St. Charles County39.8+0.2
79Dunklin County39.7+0.2
79Scott County39.7+0.3
81Marion County39.6+0.2
81Pike County39.6-0.1
83Butler County39.5-1
83St. Francois County39.5+0.3
85Callaway County39.4+0.1
86Christian County39.2-0.1
86Laclede County39.2-0.4
86Schuyler County39.2+0.4
89Platte County39.1+0.4
90Howard County39+0.7
91Buchanan County38.90
91Carter County38.9-0.7
93Lawrence County38.8-0.2
94Moniteau County38.4+0.4
95McDonald County38.2+0.1
95Pettis County38.2+0.3
97Pemiscot County38.1-0.8
97Polk County38.1-0.8
99Clay County37.9+0.3
100Lewis County37.6-0.6
101Lincoln County37.50
102Cape Girardeau County37.1+0.1
103Jackson County37+0.1
103Webster County37+0.1
105Jasper County36.8+0.2
105St. Louis city36.8+0.2
107Scotland County36.5+0.2
108Greene County36.40
109Phelps County35.8-0.4
110Saline County35.3-0.1
111Nodaway County33.7-0.2
112Boone County32.7+0.5
113Johnson County31.5+0.2
114Adair County30.2+0.4
115Pulaski County27.8+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?

Hickory County, with 55.2 years in 2024, according to the U.S. Census Bureau.

Which county has the lowest median age?

Pulaski County, with 27.8 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 Missouri: more rankings