Putnam County's estimated 2026 population is 5,621 with a growth rate of 0.04% in the past year according to the most recent United States census data. Putnam County is the 94th largest county in Illinois. The 2010 population was 6,014 and has seen a growth of -6.53% since that time.
Data after 2023 is projected based on recent change
Overall: 47.4 years
Female: 49.5 years
Male: 44.3 years
There are 4,498 adults, (1,379 of whom are seniors) in Putnam County.
Female: 2,693 (48.1%)
Male: 2,908 (51.9%)
The racial composition of Putnam County includes 91.29% White, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,113 | 91.29% |
| Two or more races | 285 | 5.09% |
| Other race | 128 | 2.29% |
| Asian | 42 | 0.75% |
| Black or African American | 19 | 0.34% |
| Native Hawaiian or Pacific Islander | 12 | 0.21% |
| Native American | 2 | 0.04% |
Putnam County's average per capita income is $50,833. Household income levels show a median of $75,590. The poverty rate stands at 8.09%.
Name | Median | Mean |
|---|---|---|
| Married Families | $98,458 | - |
| Families | $88,438 | $107,219 |
| Households | $75,590 | $92,619 |
| Non Families | $46,429 | $58,507 |
Average Income
Median Household Income
Poverty Rate
