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
Homeownership is the standout figure in Putnam County: 81.2% of homes are owner-occupied, higher than the national rate. With 4,675 residents, Putnam County is a county in Missouri.
Household earnings are middling, with a median of $56,875 — below the US median of $78,538. Only 5.7% of residents live in poverty, below the national 12.4%. Property is affordable here, the median home worth $111,600, with typical rent around $575.
Degree attainment is mid-range for US counties: 19.3% of adults hold a four-year degree, below the national 35.0%. Remote work is below the national 14.0% at 9.3%, and the average commute runs about 20 minutes each way.
The ownership rate anchors the housing story in Putnam County, and tends to move with the age structure and home-value figures above.
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.
Putnam County, MO Climate
Putnam County, MO has an average annual temperature of 10.5°C (51°F) and receives about 1007 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.5°C
Avg Temp
1007
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 23° | 36 mm |
| February | -2° / 28° | 36 mm |
| March | 4° / 40° | 73 mm |
| April | 11° / 51° | 94 mm |
| May | 16° / 62° | 121 mm |
| June | 22° / 71° | 114 mm |
| July | 24° / 76° | 121 mm |
| August | 23° / 74° | 103 mm |
| September | 19° / 65° | 109 mm |
| October | 12° / 54° | 80 mm |
| November | 4° / 40° | 68 mm |
| December | -2° / 28° | 52 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Putnam County, MO
The most comfortable months to visit Putnam County, MO are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -10°C low). May is usually the wettest month.
Where to stay near Putnam County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.