How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 84,900 people living in Putnam County, TN. That makes Putnam County the 17th-most populous county in Tennessee. It is home to 1.2% of people living in the state.

84.9K

population of Putnam County, TN (2024)

1.2%

County share of the Tennessee population (2024)

About 84,900 people lived in Putnam County, TN in 2024.

Population estimates, 2000–2024

What are Putnam County, TN’s age demographics?

About 14,500 Putnam County, TN residents are aged 65 and older in 2024. That represents 17% of its population. For comparison, the age group represents 17.7% of Tennessee’s population and 18% in the US overall.
Another 17,600 Putnam County residents, or 20.8% of the population, were children under 18. For comparison, the age group represents 22% of Tennessee’s population and 21.6% in the US overall.


A higher share of Putnam County, TN's population is aged 18–24 than the US as a whole.

Population estimates by age group, (2024)

What are Putnam County, TN’s racial and ethnic demographics?

Non-Hispanic white residents make up 85.1% of the Putnam County, TN population, higher than the national share of 57.5%.
In contrast, Putnam County’s Hispanic population accounts for 9%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 2.2% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.

Putnam County, TN has a higher share of a non-Hispanic white population than Tennessee as a whole.

Population estimates by race and ethnicity, (2024)

The largest city or town in Putnam County, TN is Cookeville with about 37,100 residents in 2024.

Cities and towns in Putnam County, TN ranked by population

Population (2024), includes only portions within county

Cities and towns in Putnam County, TN ranked by population
City or townPopulation
1.

Cookeville 

37,102
2.

Algood 

4,104
3.

Monterey 

2,796
4.

Baxter 

2,051
5.

Balance of Putnam County

38,841

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.