Data / Population / Putnam County

Population in Putnam County

Population in Putnam County was 5,619 in 2025, according to the U.S. Census Bureau. That is unchanged from 2024. That is the 94th highest of 102 counties in 2025.

2025, persons5,619
Change on 20240%
Rank94th of 102Counties in Illinois ranked
Series high5,6242020
Series low5,5592022

Population in Putnam County, 2020 to 2025

CSVChart (SVG)

5,5405,5605,5805,6005,6205,6402020202120222023202420252020: 5,624 persons2021: 5,585 persons2022: 5,559 persons2023: 5,580 persons2024: 5,617 persons2025: 5,619 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20255,619
20245,617
20235,580
20225,559
20215,585
20205,624

Compared with Illinois and United States

Place2025
Putnam County5,619
Illinois12,719,141
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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What is the latest population in Putnam County? Cite the source.
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Questions

What is the population in Putnam County?

Population in Putnam County was 5,619 in 2025, according to the U.S. Census Bureau. That is unchanged from 2024. That is the 94th highest of 102 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in Putnam County?

5,624 in 2020, the highest value since 2020 in this series.

More statistics for Putnam County

All statistics for Putnam County