- county
- FIPS 29171
- Largest town: Unionville
Putnam County, Missouri
Putnam County had 4,539 residents in the Census Vintage 2024 estimate, on 517.3 square miles of land. It ranks 110th of 115 in Missouri by population and 76th by land area.
- Population
- 4,539
- #110 of 115 in Missouri · #2,854 in US
- Area
- 517.3 sq mi
- #76 of 115 in Missouri · #2,017 in US
- Density
- 8.8 / sq mi
- #110 of 115 in Missouri · #2,609 in US
- Median household income
- $51,967
- #86 of 115 in Missouri · #2,562 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Putnam County population, land area and income
Putnam County had 4,539 residents in the Census Vintage 2024 estimate, on 517.3 square miles of land. It ranks 110th of 115 in Missouri by population and 76th by land area. That works out to 8.8 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.
The median county-equivalent in Missouri has 19,100 residents, so Putnam County has 24% of the typical county's population.
Its SAIPE 2023 median household income of $51,967 is in the bottom quarter among 3,143 counties with an estimate.
National rank among 3,144
Population
4,539
2854th of 3,144 (US)
Land area
517 sq mi
2017th of 3,144 (US)
Density
8.8 / sq mi
2609th of 3,144 (US)
Median household income
$51,967
2562nd of 3,143 (US)
Rank within Missouri (115)
Population
4,539
110th of 115 (MO)
Land area
517 sq mi
76th of 115 (MO)
Density
8.8 / sq mi
110th of 115 (MO)
Median household income
$51,967
86th of 115 (MO)
How Putnam County's population changed since 2020
Putnam County lost 146 residents between the July 2020 and July 2024 estimates, a drop of 3.1%. That ranks 107th of 115 in Missouri for growth. The median Missouri county changed by +1.4%, and the state as a whole by +1.5%.
Since the April 2020 estimates base, Putnam County recorded 272 births and 345 deaths, a natural change of -73. Net international migration added +8 and net domestic migration, people moving to or from other US counties, came to -67. The largest single component was natural change, which removed 73 people.
Components of change, April 2020 to July 2024
- Births
- 272
- Deaths
- 345
- Net international migration
- +8
- Net domestic migration
- -67
- Change, July 2023 to July 2024
- -100
Where Putnam County is
The Census internal point of Putnam County is at 40.478600, -93.014500. It sits in UTM zone 15N. The map shades Missouri's 115 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Putnam County outlined. Dots are towns of 1,000+ people with residents in it.
- < -0.7%
- < +0.5%
- < +2.0%
- < +3.6%
- ≥ +3.6%
Orange pin: Putnam County internal point. Dark pin: Jefferson City.
Internal point
- Decimal
- 40.478600, -93.014500
- DMS
- 40°28'42.96"N 93°00'52.20"W
- UTM
- 15N 498771.0E 4480879.4N
- Geohash
- 9zjy72uuv
- Plus code
- 86G8FXHP+C6
Towns in Putnam County
One incorporated place of 1,000+ people has residents in Putnam County, 1,668 people together, or 37% of the county. Each figure counts only the part of the town inside Putnam County; towns marked "part" extend into another county. The largest is Unionville with 1,668.
- 01Unionville1,668
Counties bordering Putnam County
The Census 2024 county adjacency file lists 6 neighbors for Putnam County, including 2 across a state line. The most populous is Adair County, MO, with 25,660 residents. Distances run between Census internal points in a straight line.
Distance to Jefferson City and the nearest big city
Jefferson City is 138.7 miles SSE of Putnam County's internal point in a straight line. The nearest place of 100,000 or more is Des Moines, IA (population 213,096), 81.7 miles away. The nearest place of 10,000 or more is Kirksville, MO (population 17,841), 30.2 miles away.
Putnam County FIPS code
The FIPS code of Putnam County is 29171: state code 29 for Missouri plus county code 171. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $51,967.
Questions people ask
What is the population of Putnam County, Missouri?
The Census Vintage 2024 estimate for July 1, 2024 is 4,539. That is down 146 people (3.1%) from the July 2020 estimate of 4,685.
What is the FIPS code of Putnam County?
29171. The first two digits (29) are Missouri; the last three (171) identify the county.
What is the largest town in Putnam County?
Unionville, with 1,668 residents inside Putnam County in 2024.
Which counties border Putnam County?
6 county-equivalents border it in the Census 2024 adjacency file: Adair County, MO; Appanoose County, IA; Wayne County, IA; Sullivan County, MO; Schuyler County, MO; Mercer County, MO.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.