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

Counties in Missouri by share of population aged 65 and over

Hickory County had the highest share of population aged 65 and over of 115 counties in 2021, at 33.7%. Pulaski County had the lowest, at 9.5%. The median was 20% and the figure for Missouri was 17.9%. Source: the U.S. Census Bureau.

Highest33.7Hickory County
Lowest9.5Pulaski County
Median20115 counties
Missouri17.9History

Top 40 counties, 2021

CSVChart (SVG)

Hickory CountyHickory County: 33.7 %33.7Stone CountyStone County: 31.2 %31.2Benton CountyBenton County: 30.5 %30.5Camden CountyCamden County: 27.9 %27.9Ozark CountyOzark County: 27.5 %27.5Douglas CountyDouglas County: 26.1 %26.1St. Clair CountySt. Clair County: 26 %26Wayne CountyWayne County: 25.9 %25.9Worth CountyWorth County: 25.8 %25.8Putnam CountyPutnam County: 25.7 %25.7Dade CountyDade County: 25.5 %25.5Atchison CountyAtchison County: 25.5 %25.5Holt CountyHolt County: 25.2 %25.2Chariton CountyChariton County: 25 %25Oregon CountyOregon County: 24.7 %24.7Monroe CountyMonroe County: 24.6 %24.6Morgan CountyMorgan County: 24.2 %24.2Reynolds CountyReynolds County: 24 %24Gasconade CountyGasconade County: 23.9 %23.9Harrison CountyHarrison County: 23.7 %23.7Shannon CountyShannon County: 23.7 %23.7Carroll CountyCarroll County: 23.6 %23.6Cedar CountyCedar County: 23.5 %23.5Knox CountyKnox County: 23.4 %23.4Shelby CountyShelby County: 23.3 %23.3Henry CountyHenry County: 23.1 %23.1Iron CountyIron County: 23 %23Macon CountyMacon County: 22.8 %22.8Mercer CountyMercer County: 22.6 %22.6Taney CountyTaney County: 22.5 %22.5Linn CountyLinn County: 22.5 %22.5Ripley CountyRipley County: 22.5 %22.5Ralls CountyRalls County: 22.4 %22.4Grundy CountyGrundy County: 22.3 %22.3Carter CountyCarter County: 22.3 %22.3Dent CountyDent County: 22.3 %22.3Clark CountyClark County: 22.2 %22.2Montgomery CountyMontgomery County: 22 %22Bollinger CountyBollinger County: 21.8 %21.8Maries CountyMaries County: 21.5 %21.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2021 (%)Change on 2020
1Hickory County33.7-0.8 pts
2Stone County31.2+0.4 pts
3Benton County30.5-0.2 pts
4Camden County27.9+0.3 pts
5Ozark County27.5-0.7 pts
6Douglas County26.1+0.1 pts
7St. Clair County26+0.3 pts
8Wayne County25.9-0.1 pts
9Worth County25.8+0.5 pts
10Putnam County25.7-0 pts
11Dade County25.5+0.5 pts
12Atchison County25.5+0.2 pts
13Holt County25.2-0.8 pts
14Chariton County25+0.6 pts
15Oregon County24.7+0.1 pts
16Monroe County24.6+0.4 pts
17Morgan County24.2-0.1 pts
18Reynolds County24-0 pts
19Gasconade County23.9+0.2 pts
20Harrison County23.7+0.3 pts
21Shannon County23.70 pts
22Carroll County23.6+0.3 pts
23Cedar County23.5-0.1 pts
24Knox County23.4+0.1 pts
25Shelby County23.3+0.5 pts
26Henry County23.1+0.1 pts
27Iron County23+0.3 pts
28Macon County22.8+0.1 pts
29Mercer County22.6+0.3 pts
30Taney County22.5+0.5 pts
31Linn County22.5+0.1 pts
32Ripley County22.5+0.1 pts
33Ralls County22.4+0.5 pts
34Grundy County22.3-0 pts
35Carter County22.3-0 pts
36Dent County22.3+0.3 pts
37Clark County22.2-0.2 pts
38Montgomery County220 pts
39Bollinger County21.80 pts
40Maries County21.5+0.2 pts
41Texas County21.4-0.2 pts
42Caldwell County21.4+0.2 pts
43Barry County21.4+0.2 pts
44Schuyler County21.4-0.1 pts
45Livingston County21.30 pts
46Gentry County21.30 pts
47Crawford County21.2+0.6 pts
48Howell County21.1+0.2 pts
49Daviess County21.1+0.7 pts
50Stoddard County20.9+0.4 pts
51Dallas County20.8-0 pts
52Bates County20.8+0.1 pts
53Ste. Genevieve County20.7+0.4 pts
54Barton County20.5+0.6 pts
55Perry County20.4+0.4 pts
56New Madrid County20.4+0.2 pts
57Sullivan County20.2+0.3 pts
58Madison County20+0.1 pts
59Mississippi County20-0.1 pts
60Vernon County20+0.2 pts
61Miller County20+0.5 pts
62Wright County19.90 pts
63Lafayette County19.9+0.5 pts
64Andrew County19.8+0.6 pts
65Clinton County19.8+0.1 pts
66Audrain County19.8-0.1 pts
67Cooper County19.7+0.3 pts
68Lewis County19.7+0.4 pts
69Howard County19.6+0.6 pts
70Marion County19.5+0.3 pts
71St. Louis County19.5+0.4 pts
72Butler County19.3+0.3 pts
73Ray County19.2+0.3 pts
74Pike County19.2+0.1 pts
75Franklin County19.2+0.5 pts
76Newton County19.2+0.2 pts
77Polk County19.1+0.1 pts
78Scott County19.1+0.4 pts
79Dunklin County19+0.1 pts
80Scotland County19+0.1 pts
81Lawrence County18.9-0.1 pts
82Laclede County18.9+0.1 pts
83Osage County18.7+0.1 pts
84DeKalb County18.4+0.3 pts
85Randolph County18.2+0.2 pts
86Cole County18.1+0.5 pts
87Pemiscot County18.1+0.4 pts
88Buchanan County18.1+0.5 pts
89Cape Girardeau County18.1+0.2 pts
90Warren County18+0.4 pts
91Nodaway County18+0.4 pts
92Washington County18+0.2 pts
93Cass County17.8+0.3 pts
94Saline County17.8+0.2 pts
95St. Francois County17.7+0.2 pts
96Moniteau County17.7+0.2 pts
97Pettis County17.5+0.3 pts
98Greene County17.4+0.2 pts
99Callaway County17.3+0.4 pts
100Phelps County16.9-0.1 pts
101Christian County16.8+0.2 pts
102Jefferson County16.8+0.5 pts
103St. Charles County16.6+0.5 pts
104Webster County16.3+0.2 pts
105Jasper County16.2+0.2 pts
106Adair County16.1+0.2 pts
107Jackson County15.7+0.4 pts
108Platte County15.6+0.4 pts
109Clay County15.2+0.4 pts
110McDonald County14.9+0.2 pts
111Lincoln County14.7+0.4 pts
112St. Louis city14.1+0.7 pts
113Johnson County13.8-0 pts
114Boone County13.6+0.4 pts
115Pulaski County9.5+0.3 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

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 share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"Missouri","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=Missouri&limit=10

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Questions

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

Hickory County, with 33.7% in 2021, according to the U.S. Census Bureau.

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

Pulaski County, with 9.5% 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 Missouri: more rankings