Putnam County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 110th-largest in Missouri
The population of Putnam County, Missouri is 4,675 as of the 2023 American Community Survey, making it the 110th-largest county in Missouri. The median household income is $56,875, the median home value is $111,600, and the median age is 45.6.
The population of Putnam County has declined 8.7% since 2010 (4,974 → 4,539), a -0.65% annualized rate.
4,675
Population
-0.65%
Annual growth
9
People / sq mi
$56,875
Median Income
$111,600
Median Home Value
Putnam County covers 517 sq mi of land at 9.0 people per square mile.
About Putnam County, MO
Putnam County is a county in Missouri with a population of 4,675. It ranks #110 among counties in Missouri by population. The median age is 45.6, older than the national median. The population is 51.2% male and 48.8% female.
The median household income in Putnam County is $56,875, below the US median of $74,580. 5.7% of residents live below the federal poverty level. Home values sit at a median of $111,600, with monthly rent averaging $575. The homeownership rate of 81.2% is higher than the national rate of 64.8%.
Educational attainment in Putnam County reflects 19.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 19.7 minutes each way.
Putnam County Population History (2010-2024)
The county of Putnam County had a population of 4,974 in 2010 and 4,539 in 2024, a -8.7% growth over 14 years. The peak was 4,977 in 2011. Average annual growth rate: -0.65%.
4,539
Population (2024)
4,974
Population (2010)
4,977
Peak (2011)
-0.65%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 4,974 |
| 2011 | 4,977 |
| 2012 | 4,948 |
| 2013 | 4,887 |
| 2014 | 4,845 |
| 2015 | 4,864 |
| 2016 | 4,825 |
| 2017 | 4,782 |
| 2018 | 4,748 |
| 2019 | 4,688 |
| 2020 | 4,685 |
| 2021 | 4,692 |
| 2022 | 4,653 |
| 2023 | 4,639 |
| 2024 | 4,539 |
Race & Ethnicity
| White | 96.4% |
| Black or African American | 0.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.0% |
Age & Sex
45.6
Median Age
48.8%
Female
51.2%
Male
25.1%
Age 65+
Age Distribution
Children (under 15): 18.5% · Seniors (65+): 25.1%
Income & Poverty
| Median household income | $56,875$-12,045 vs state |
| Mean household income | $72,634 |
| Per-capita income | $33,208 |
| Poverty rate | 5.7%-2.7% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 55.5% |
Top Industries by Employment
The largest employment sector in Putnam County is professional & business services, accounting for 22.4% of workers.
How residents commute
0.0%
Drive alone
1.0%
Carpool
77.8%
Public transit
9.3%
Work from home
19.7 min
Avg commute
Housing
$111,600$-104,000 vs state
Median home value
$575
Median rent
81.2%
Homeownership rate
2,845
Total housing units
65.9%
Occupied
34.1%
Vacant
18.8%
Renter-occupied
Social & access
89.1%
With health insurance
86.2%
With broadband internet
38.2%
Foreign-born
9.3%
Veterans (18+)
14.0%
With a disability
96.4%
Speak language other than English at home
Education
93.9%
High School+
19.3%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Putnam County, Missouri has a population of 4,675 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 110th-largest county in Missouri. Population density is 9 people per square mile.
The population of Putnam County has declined 8.7% since 2010 (4,974 → 4,539), a -0.65% annualized rate.
The median household income in Putnam County, Missouri is $56,875, with mean (average) household income of $72,634 and per-capita income of $33,208. 5.7% of residents live below the federal poverty level.
In Putnam County, the largest racial and ethnic groups are White (96.4%), Hispanic or Latino (1.6%), Black or African American (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Putnam County, Missouri is 45.6 years. Residents are 48.8% female and 51.2% male.
The median home value in Putnam County is $111,600 and median monthly rent is $575. 81.2% of occupied housing units are owner-occupied. The county has 2,845 total housing units, 34.1% of which are vacant.
The largest employment sector in Putnam County, Missouri is professional, scientific, and management services, employing 22.4% of workers. The unemployment rate is 2.2%.
Kansas City is among the largest cities associated with Putnam County, Missouri, with a population of 508,233.
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Statewide data for Missouri
Population, race, income, age, and trends across Missouri
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.