Putnam County's estimated 2026 population is 34,600 with a growth rate of 0.64% in the past year according to the most recent United States census data. Putnam County is the 70th largest county in Ohio. The 2010 population was 34,476 and has seen a growth of 0.36% since that time.
Data after 2023 is projected based on recent change
Overall: 40.6 years
Female: 41.4 years
Male: 40.1 years
There are 25,561 adults, (6,492 of whom are seniors) in Putnam County.
Female: 17,119 (49.9%)
Male: 17,195 (50.1%)
The racial composition of Putnam County includes 92.09% White, 3.23% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 31,599 | 92.09% |
| Two or more races | 1,112 | 3.24% |
| Other race | 1,107 | 3.23% |
| Black or African American | 278 | 0.81% |
| Native American | 133 | 0.39% |
| Asian | 64 | 0.19% |
| Native Hawaiian or Pacific Islander | 21 | 0.06% |
Putnam County's average per capita income is $53,293. Household income levels show a median of $84,928. The poverty rate stands at 5.49%.
Name | Median | Mean |
|---|---|---|
| Married Families | $108,343 | - |
| Families | $103,144 | $121,757 |
| Households | $84,928 | $102,439 |
| Non Families | $41,144 | $50,860 |
Average Income
Median Household Income
Poverty Rate