Data / Rankings / Population aged 18 to 64 / Counties in Missouri

Counties in Missouri by population aged 18 to 64

Pulaski County had the highest population aged 18 to 64 of 115 counties in 2017, at 68.9%. Hickory County had the lowest, at 49.1%. The median was 57.7% and the figure for Missouri was 60.9%. Source: the U.S. Census Bureau.

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Highest68.9Pulaski County
Lowest49.1Hickory County
Median57.7115 counties
Missouri60.9History

Map of counties, 2017

Adair County: 65.9 %Andrew County: 58 %Atchison County: 54.8 %Audrain County: 58.7 %Barry County: 56.7 %Barton County: 56.4 %Bates County: 56.8 %Benton County: 52.8 %Bollinger County: 57.2 %Boone County: 67.5 %Buchanan County: 61.5 %Butler County: 58.3 %Caldwell County: 56.1 %Callaway County: 62.8 %Camden County: 54.9 %Cape Girardeau County: 61.7 %Carroll County: 55.4 %Carter County: 56.9 %Cass County: 58.8 %Cedar County: 52.1 %Chariton County: 54.8 %Christian County: 58.4 %Clark County: 55.3 %Clay County: 61.5 %Clinton County: 57.7 %Cole County: 61.8 %Cooper County: 60.9 %Crawford County: 57.5 %Dade County: 54.9 %Dallas County: 56.4 %Daviess County: 54.1 %DeKalb County: 67.3 %Dent County: 57 %Douglas County: 54 %Dunklin County: 56.7 %Franklin County: 59.8 %Gasconade County: 56.5 %Gentry County: 54.6 %Greene County: 62.9 %Grundy County: 53.7 %Harrison County: 53.9 %Henry County: 55.8 %Hickory County: 49.1 %Holt County: 54.7 %Howard County: 60.7 %Howell County: 56.3 %Iron County: 57.5 %Jackson County: 62.3 %Jasper County: 59.6 %Jefferson County: 61.7 %Johnson County: 64.9 %Knox County: 53.5 %Laclede County: 57.9 %Lafayette County: 58.5 %Lawrence County: 56.4 %Lewis County: 59.8 %Lincoln County: 61 %Linn County: 55.2 %Livingston County: 60.1 %McDonald County: 59.3 %Macon County: 54.6 %Madison County: 58.2 %Maries County: 57.7 %Marion County: 59 %Mercer County: 56 %Miller County: 57.9 %Mississippi County: 61.3 %Moniteau County: 59 %Monroe County: 55.2 %Montgomery County: 56.8 %Morgan County: 53.8 %New Madrid County: 57.9 %Newton County: 58.2 %Nodaway County: 65.2 %Oregon County: 54.3 %Osage County: 59.4 %Ozark County: 53.7 %Pemiscot County: 57.5 %Perry County: 58.4 %Pettis County: 58.7 %Phelps County: 63.5 %Pike County: 60.7 %Platte County: 61.9 %Polk County: 57.5 %Pulaski County: 68.9 %Putnam County: 53.4 %Ralls County: 57.1 %Randolph County: 61.8 %Ray County: 58.8 %Reynolds County: 55.8 %Ripley County: 56.2 %St. Charles County: 61.4 %St. Clair County: 53.9 %Ste. Genevieve County: 60.2 %St. Francois County: 62.6 %St. Louis County: 60.1 %Saline County: 60.5 %Schuyler County: 53.3 %Scotland County: 52.4 %Scott County: 58.5 %Shannon County: 56 %Shelby County: 54.6 %Stoddard County: 58.1 %Stone County: 53.3 %Sullivan County: 56.5 %Taney County: 58.5 %Texas County: 58 %Vernon County: 57.2 %Warren County: 59.3 %Washington County: 60.8 %Wayne County: 56 %Webster County: 57.5 %Worth County: 56.1 %Wright County: 55.7 %St. Louis city: 68.8 %
  • Under 55
  • 55 to 56
  • 56 to 58
  • 58 to 59
  • 59 to 61
  • 61 and over
%, 2017. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2017

Pulaski County: 68.9 %Pulaski County68.9St. Louis city: 68.8 %St. Louis city68.8Boone County: 67.5 %Boone County67.5DeKalb County: 67.3 %DeKalb County67.3Adair County: 65.9 %Adair County65.9Nodaway County: 65.2 %Nodaway County65.2Johnson County: 64.9 %Johnson County64.9Phelps County: 63.5 %Phelps County63.5Greene County: 62.9 %Greene County62.9Callaway County: 62.8 %Callaway County62.8St. Francois County: 62.6 %St. Francois County62.6Jackson County: 62.3 %Jackson County62.3Platte County: 61.9 %Platte County61.9Cole County: 61.8 %Cole County61.8Randolph County: 61.8 %Randolph County61.8Cape Girardeau County: 61.7 %Cape Girardeau County61.7Jefferson County: 61.7 %Jefferson County61.7Clay County: 61.5 %Clay County61.5Buchanan County: 61.5 %Buchanan County61.5St. Charles County: 61.4 %St. Charles County61.4Mississippi County: 61.3 %Mississippi County61.3Lincoln County: 61 %Lincoln County61Cooper County: 60.9 %Cooper County60.9Washington County: 60.8 %Washington County60.8Pike County: 60.7 %Pike County60.7Howard County: 60.7 %Howard County60.7Saline County: 60.5 %Saline County60.5Ste. Genevieve County: 60.2 %Ste. Genevieve County60.2St. Louis County: 60.1 %St. Louis County60.1Livingston County: 60.1 %Livingston County60.1Franklin County: 59.8 %Franklin County59.8Lewis County: 59.8 %Lewis County59.8Jasper County: 59.6 %Jasper County59.6Osage County: 59.4 %Osage County59.4McDonald County: 59.3 %McDonald County59.3Warren County: 59.3 %Warren County59.3Moniteau County: 59 %Moniteau County59Marion County: 59 %Marion County59Ray County: 58.8 %Ray County58.8Cass County: 58.8 %Cass County58.8Pulaski County: 68.9 %Pulaski County68.9St. Louis city: 68.8 %St. Louis city68.8Boone County: 67.5 %Boone County67.5DeKalb County: 67.3 %DeKalb County67.3Adair County: 65.9 %Adair County65.9Nodaway County: 65.2 %Nodaway County65.2Johnson County: 64.9 %Johnson County64.9Phelps County: 63.5 %Phelps County63.5Greene County: 62.9 %Greene County62.9Callaway County: 62.8 %Callaway County62.8St. Francois County: 62.6 %St. Francois County62.6Jackson County: 62.3 %Jackson County62.3Platte County: 61.9 %Platte County61.9Cole County: 61.8 %Cole County61.8Randolph County: 61.8 %Randolph County61.8Cape Girardeau County: 61.7 %Cape Girardeau County61.7Jefferson County: 61.7 %Jefferson County61.7Clay County: 61.5 %Clay County61.5Buchanan County: 61.5 %Buchanan County61.5St. Charles County: 61.4 %St. Charles County61.4Mississippi County: 61.3 %Mississippi County61.3Lincoln County: 61 %Lincoln County61Cooper County: 60.9 %Cooper County60.9Washington County: 60.8 %Washington County60.8Pike County: 60.7 %Pike County60.7Howard County: 60.7 %Howard County60.7Saline County: 60.5 %Saline County60.5Ste. Genevieve County: 60.2 %Ste. Genevieve County60.2St. Louis County: 60.1 %St. Louis County60.1Livingston County: 60.1 %Livingston County60.1Franklin County: 59.8 %Franklin County59.8Lewis County: 59.8 %Lewis County59.8Jasper County: 59.6 %Jasper County59.6Osage County: 59.4 %Osage County59.4McDonald County: 59.3 %McDonald County59.3Warren County: 59.3 %Warren County59.3Moniteau County: 59 %Moniteau County59Marion County: 59 %Marion County59Ray County: 58.8 %Ray County58.8Cass County: 58.8 %Cass County58.8
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2017 (%)Change on 2016
1Pulaski County68.9-0.2 pts
2St. Louis city68.8-0 pts
3Boone County67.5-0.6 pts
4DeKalb County67.3-0.3 pts
5Adair County65.9-0.1 pts
6Nodaway County65.2-0.7 pts
7Johnson County64.9-0.2 pts
8Phelps County63.5-0.1 pts
9Greene County62.9-0.3 pts
10Callaway County62.8-0.4 pts
11St. Francois County62.6-0.2 pts
12Jackson County62.3-0.1 pts
13Platte County61.9-0.2 pts
14Cole County61.8-0.5 pts
15Randolph County61.8-0.2 pts
16Cape Girardeau County61.7-0.6 pts
17Jefferson County61.7-0.2 pts
18Clay County61.5-0.1 pts
19Buchanan County61.5-0.2 pts
20St. Charles County61.4-0.3 pts
21Mississippi County61.3-0.2 pts
22Lincoln County610 pts
23Cooper County60.9-0.1 pts
24Washington County60.80 pts
25Pike County60.7-0.2 pts
26Howard County60.7+0.1 pts
27Saline County60.5+0.2 pts
28Ste. Genevieve County60.2-0.2 pts
29St. Louis County60.1-0.4 pts
30Livingston County60.10 pts
31Franklin County59.8-0.4 pts
32Lewis County59.8-0.2 pts
33Jasper County59.6-0.3 pts
34Osage County59.40 pts
35McDonald County59.3-0 pts
36Warren County59.30 pts
37Moniteau County59-0.1 pts
38Marion County59-0.1 pts
39Ray County58.8-0.3 pts
40Cass County58.8-0.2 pts
41Pettis County58.7-0.4 pts
42Audrain County58.7-0.5 pts
43Taney County58.5-0.1 pts
44Lafayette County58.5-0.1 pts
45Scott County58.5-0.4 pts
46Christian County58.4-0.2 pts
47Perry County58.4-0.2 pts
48Butler County58.3-0.1 pts
49Madison County58.2+0.2 pts
50Newton County58.2+0.1 pts
51Stoddard County58.1+0.2 pts
52Andrew County58-0.5 pts
53Texas County58-0.2 pts
54Miller County57.9-0.2 pts
55New Madrid County57.9-0.1 pts
56Laclede County57.9-0.1 pts
57Clinton County57.70 pts
58Maries County57.7-0.1 pts
59Pemiscot County57.5-0.2 pts
60Webster County57.5-0.3 pts
61Iron County57.5-0.1 pts
62Crawford County57.5-0.3 pts
63Polk County57.5-0.3 pts
64Vernon County57.2-0.3 pts
65Bollinger County57.2-0.4 pts
66Ralls County57.1-0.8 pts
67Dent County57+0.2 pts
68Carter County56.9-0 pts
69Montgomery County56.8-0.1 pts
70Bates County56.8-0.1 pts
71Dunklin County56.7-0.2 pts
72Barry County56.7-0.6 pts
73Sullivan County56.5-0.4 pts
74Gasconade County56.5-0.1 pts
75Dallas County56.4-0.2 pts
75Lawrence County56.4-0.1 pts
77Barton County56.4-0.2 pts
78Howell County56.3-0.3 pts
79Ripley County56.2-0.5 pts
80Caldwell County56.10 pts
81Worth County56.1-0.1 pts
82Mercer County56+0.5 pts
83Shannon County56-0.3 pts
84Wayne County56-0.6 pts
85Henry County55.8-0.2 pts
86Reynolds County55.8-0.5 pts
87Wright County55.7-0.1 pts
88Carroll County55.4-0.3 pts
89Clark County55.3-0.5 pts
90Monroe County55.2-0.2 pts
91Linn County55.2-0.3 pts
92Camden County54.9-0.5 pts
93Dade County54.9-0.3 pts
94Chariton County54.8-0.2 pts
95Atchison County54.8-0.1 pts
96Holt County54.7-1 pts
97Gentry County54.6+0.1 pts
98Macon County54.60 pts
99Shelby County54.6-0.9 pts
100Oregon County54.3+0.2 pts
101Daviess County54.1+0.1 pts
102Douglas County54-1 pts
103Harrison County53.9-0.2 pts
104St. Clair County53.9-0.2 pts
105Morgan County53.8-0.2 pts
106Grundy County53.7-0.7 pts
107Ozark County53.7-0.4 pts
108Knox County53.5-0.5 pts
109Putnam County53.4+0.1 pts
110Schuyler County53.3+0.2 pts
111Stone County53.3-0.5 pts
112Benton County52.8-0.3 pts
113Scotland County52.4-0.1 pts
114Cedar County52.1-0 pts
115Hickory County49.10 pts

Other periods

About this ranking

Residents aged 18 to 64 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.

Not comparable with working-age shares for ages 15 to 64 used in EU and World Bank statistics.

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: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (Counties in Missouri by population aged 18 to 64, 2017) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in Missouri by population aged 18 to 64, 2017. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/population-18-64/missouri-counties?period=2017. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Counties in Missouri by population aged 18 to 64, 2017. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/population-18-64/missouri-counties?period=2017.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in Missouri by population aged 18 to 64, 2017 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/population-18-64/missouri-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_missouri_by_2017,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in Missouri by population aged 18 to 64, 2017}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/population-18-64/missouri-counties?period=2017. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in Missouri by population aged 18 to 64, 2017
PY  - 2026
DA  - 2026/06/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/population-18-64/missouri-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-18-64/missouri-counties?period=2017.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest population aged 18 to 64?

Pulaski County, with 68.9% in 2017, according to the U.S. Census Bureau.

Which county has the lowest population aged 18 to 64?

Hickory County, with 49.1% in 2017.

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: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Retrieved 2026-10-12.

Population aged 18 to 64: other rankings

Counties in Missouri: more rankings