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 2020, at 34.6%. Pulaski County had the lowest, at 9.3%. The median was 19.9% and the figure for Missouri was 17.6%. Source: the U.S. Census Bureau.

Highest34.6Hickory County
Lowest9.3Pulaski County
Median19.9115 counties
Missouri17.6History

Top 40 counties, 2020

CSVChart (SVG)

Hickory CountyHickory County: 34.6 %34.6Stone CountyStone County: 30.8 %30.8Benton CountyBenton County: 30.7 %30.7Ozark CountyOzark County: 28.2 %28.2Camden CountyCamden County: 27.6 %27.6Douglas CountyDouglas County: 26.1 %26.1Holt CountyHolt County: 26 %26Wayne CountyWayne County: 25.9 %25.9Putnam CountyPutnam County: 25.7 %25.7St. Clair CountySt. Clair County: 25.7 %25.7Atchison CountyAtchison County: 25.3 %25.3Worth CountyWorth County: 25.2 %25.2Dade CountyDade County: 25 %25Oregon CountyOregon County: 24.6 %24.6Chariton CountyChariton County: 24.4 %24.4Morgan CountyMorgan County: 24.3 %24.3Monroe CountyMonroe County: 24.2 %24.2Reynolds CountyReynolds County: 24 %24Gasconade CountyGasconade County: 23.8 %23.8Shannon CountyShannon County: 23.7 %23.7Cedar CountyCedar County: 23.6 %23.6Harrison CountyHarrison County: 23.4 %23.4Carroll CountyCarroll County: 23.3 %23.3Knox CountyKnox County: 23.3 %23.3Henry CountyHenry County: 22.9 %22.9Shelby CountyShelby County: 22.7 %22.7Iron CountyIron County: 22.7 %22.7Macon CountyMacon County: 22.6 %22.6Clark CountyClark County: 22.4 %22.4Grundy CountyGrundy County: 22.4 %22.4Ripley CountyRipley County: 22.4 %22.4Carter CountyCarter County: 22.4 %22.4Linn CountyLinn County: 22.4 %22.4Mercer CountyMercer County: 22.3 %22.3Taney CountyTaney County: 22 %22Montgomery CountyMontgomery County: 22 %22Dent CountyDent County: 22 %22Ralls CountyRalls County: 21.9 %21.9Bollinger CountyBollinger County: 21.8 %21.8Texas CountyTexas County: 21.6 %21.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2020 (%)
1Hickory County34.6
2Stone County30.8
3Benton County30.7
4Ozark County28.2
5Camden County27.6
6Douglas County26.1
7Holt County26
8Wayne County25.9
9Putnam County25.7
10St. Clair County25.7
11Atchison County25.3
12Worth County25.2
13Dade County25
14Oregon County24.6
15Chariton County24.4
16Morgan County24.3
17Monroe County24.2
18Reynolds County24
19Gasconade County23.8
20Shannon County23.7
21Cedar County23.6
22Harrison County23.4
23Carroll County23.3
24Knox County23.3
25Henry County22.9
26Shelby County22.7
27Iron County22.7
28Macon County22.6
29Clark County22.4
30Grundy County22.4
31Ripley County22.4
32Carter County22.4
33Linn County22.4
34Mercer County22.3
35Taney County22
36Montgomery County22
37Dent County22
38Ralls County21.9
39Bollinger County21.8
40Texas County21.6
41Schuyler County21.4
42Maries County21.3
43Gentry County21.2
44Caldwell County21.2
45Livingston County21.2
46Barry County21.2
47Howell County21
48Dallas County20.8
49Bates County20.7
50Crawford County20.6
51Stoddard County20.5
52Daviess County20.4
53Ste. Genevieve County20.3
54New Madrid County20.2
55Mississippi County20.1
56Perry County20
57Sullivan County20
58Wright County19.9
59Barton County19.9
60Madison County19.9
61Audrain County19.9
62Vernon County19.8
63Clinton County19.7
64Miller County19.5
65Cooper County19.5
66Lafayette County19.4
67Lewis County19.3
68Andrew County19.2
69Marion County19.2
70Pike County19.1
71Polk County19.1
72St. Louis County19
73Butler County19
74Newton County19
75Dunklin County18.9
76Ray County18.9
77Lawrence County18.9
78Howard County18.9
79Scotland County18.9
80Laclede County18.7
81Franklin County18.7
82Scott County18.7
83Osage County18.6
84DeKalb County18.1
85Randolph County17.9
86Cape Girardeau County17.9
87Washington County17.8
88Pemiscot County17.7
89Warren County17.6
90Cole County17.6
91Buchanan County17.6
92Nodaway County17.6
93Saline County17.6
94St. Francois County17.5
95Cass County17.5
96Moniteau County17.5
97Pettis County17.2
98Greene County17.2
99Phelps County16.9
100Callaway County16.9
101Christian County16.6
102Jefferson County16.3
103St. Charles County16.2
104Webster County16.1
105Jasper County16
106Adair County15.9
107Jackson County15.4
108Platte County15.1
109Clay County14.8
110McDonald County14.7
111Lincoln County14.3
112Johnson County13.8
113St. Louis city13.5
114Boone County13.3
115Pulaski County9.3

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 34.6% in 2020, according to the U.S. Census Bureau.

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

Pulaski County, with 9.3% in 2020.

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