Counties in Missouri by median age

Hickory County had the highest median age of 115 counties in 2022, at 55.7 years. Pulaski County had the lowest, at 27.7 years. The median was 41.1 years and the figure for Missouri was 38.8 years. Source: the U.S. Census Bureau.

Highest55.7Hickory County
Lowest27.7Pulaski County
Median41.1115 counties
Missouri38.8History

Top 40 counties, 2022

CSVChart (SVG)

Hickory CountyHickory County: 55.7 years55.7Stone CountyStone County: 54.6 years54.6Benton CountyBenton County: 54.1 years54.1Camden CountyCamden County: 52.6 years52.6Ozark CountyOzark County: 52.6 years52.6Wayne CountyWayne County: 49.2 years49.2Worth CountyWorth County: 48.7 years48.7St. Clair CountySt. Clair County: 48.2 years48.2Atchison CountyAtchison County: 48.1 years48.1Holt CountyHolt County: 47.8 years47.8Douglas CountyDouglas County: 47 years47Shannon CountyShannon County: 46.9 years46.9Dade CountyDade County: 46.5 years46.5Gasconade CountyGasconade County: 46.3 years46.3Reynolds CountyReynolds County: 46.2 years46.2Putnam CountyPutnam County: 46.1 years46.1Morgan CountyMorgan County: 46 years46Monroe CountyMonroe County: 45.8 years45.8Chariton CountyChariton County: 45.7 years45.7Ralls CountyRalls County: 45.5 years45.5Maries CountyMaries County: 45.2 years45.2Iron CountyIron County: 45.1 years45.1Cedar CountyCedar County: 44.8 years44.8Bollinger CountyBollinger County: 44.7 years44.7Oregon CountyOregon County: 44.7 years44.7Henry CountyHenry County: 44.2 years44.2Ste. Genevieve CountySte. Genevieve County: 44 years44Sullivan CountySullivan County: 43.9 years43.9Montgomery CountyMontgomery County: 43.8 years43.8Carroll CountyCarroll County: 43.7 years43.7Dent CountyDent County: 43.7 years43.7Barry CountyBarry County: 43.2 years43.2Macon CountyMacon County: 43 years43Shelby CountyShelby County: 42.9 years42.9Clark CountyClark County: 42.8 years42.8Caldwell CountyCaldwell County: 42.7 years42.7Texas CountyTexas County: 42.6 years42.6Crawford CountyCrawford County: 42.3 years42.3Taney CountyTaney County: 42.3 years42.3Harrison CountyHarrison County: 42.2 years42.2
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2022
years
Change on 2021
1Hickory County55.7+0.9
2Stone County54.6+0.4
3Benton County54.1+0.4
4Camden County52.6+0.5
4Ozark County52.6+0.8
6Wayne County49.2+1
7Worth County48.7+0.1
8St. Clair County48.2-0.5
9Atchison County48.1+0.2
10Holt County47.8-0.2
11Douglas County47-0.2
12Shannon County46.9+0.8
13Dade County46.5+0.1
14Gasconade County46.3-0.8
15Reynolds County46.2+0.1
16Putnam County46.1+0.1
17Morgan County46-0.1
18Monroe County45.8-0.4
19Chariton County45.70
20Ralls County45.5+0.5
21Maries County45.2-0.2
22Iron County45.10
23Cedar County44.8+0.2
24Bollinger County44.7-0.6
24Oregon County44.7-0.2
26Henry County44.2-0.2
27Ste. Genevieve County44-0.1
28Sullivan County43.9+2
29Montgomery County43.80
30Carroll County43.70
30Dent County43.7-0.5
32Barry County43.2+0.1
33Macon County43-0.5
34Shelby County42.9-0.4
35Clark County42.80
36Caldwell County42.7+0.5
37Texas County42.60
38Crawford County42.3+0.3
38Taney County42.3-0.3
40Harrison County42.2+0.1
41Mississippi County42.1+1.3
42Carter County42-3.6
42Linn County42+0.2
42Ray County42-0.3
45Knox County41.9-1.6
46New Madrid County41.8+0.1
46Vernon County41.8+0.3
48Dallas County41.7-0.1
48DeKalb County41.7+0.4
48Mercer County41.7+0.5
51Andrew County41.5+0.1
52Lafayette County41.4-0.5
52Madison County41.40
52Osage County41.4+0.3
52Perry County41.4+0.5
56Stoddard County41.30
56Warren County41.3-0.1
58Miller County41.1+0.8
58Ripley County41.1-0.4
58Wright County41.1-0.2
61Clinton County40.9-0.1
61Franklin County40.9+0.2
63Barton County40.7-0.2
63Bates County40.7-0.4
63Butler County40.7+0.3
63Howell County40.7-0.4
67Audrain County40.4+0.4
67Daviess County40.40
69Gentry County40.2+0.3
69Grundy County40.2-0.4
69Newton County40.2+0.3
69St. Louis County40.2-0.1
73Cass County39.90
73Jefferson County39.90
73Pike County39.9+1.2
76Randolph County39.8+0.5
76Washington County39.8-0.4
78Callaway County39.6+0.4
78Cole County39.6+0.5
80Laclede County39.5+0.1
81Dunklin County39.4+0.2
81Schuyler County39.4-0.1
81Scott County39.4-0.2
81St. Charles County39.4+0.2
81St. Francois County39.4+0.5
86Livingston County39.2+0.1
86Pemiscot County39.2+1.2
88Christian County39.1-0.2
88Lewis County39.1-1.8
90Marion County39-0.2
91Polk County38.9+0.7
92Cooper County38.8+0.5
93Lawrence County38.7-0.1
93Platte County38.7+0.2
95Buchanan County38.6+0.2
96Howard County38.3-0.2
97McDonald County38.2-0.2
98Pettis County380
99Moniteau County37.60
100Clay County37.5+0.1
101Lincoln County37.1-0.4
102Jackson County37+0.1
103Cape Girardeau County36.9+0.2
104Webster County36.8+0.1
105Jasper County36.6+0.2
106St. Louis city36.5+0.2
107Greene County36.30
108Phelps County36+0.2
108Scotland County36-0.8
110Saline County35.5-0.8
111Nodaway County33.5+3.6
112Boone County31.8-0.1
113Johnson County31+0.3
114Adair County29+0.9
115Pulaski County27.7-0.4

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/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat. Retrieved 2026-10-08.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Missouri by median age using official data, and cite the source.
rank_places {"indicator":"median_age","level":"province","within":"Missouri","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=median_age&level=province&within=Missouri&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which county has the highest median age?

Hickory County, with 55.7 years in 2022, according to the U.S. Census Bureau.

Which county has the lowest median age?

Pulaski County, with 27.7 years 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, 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