COUNTY · MO

Putnam County, Missouri

Putnam County is a county in Missouri with FIPS code 29171 and an estimated population of 4,638 (Census 2023), 110th largest of 115 in the state.

County facts

Name
Putnam County
State
Missouri
Type
county
FIPS code
29171
State FIPS
29
Population (2023)
4,638
Change since 2020
-1.1%
State rank
110 of 115

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Missouri

Questions

What is the FIPS code for Putnam County?

Putnam County, Missouri has the five-digit FIPS code 29171: 29 for the state and 171 for the county.

What state is Putnam County in?

Putnam County is in Missouri.

How do I know if an address is in this county?

Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.

Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.