Putnam County Flag

Putnam County

State:
Illinois
County Seat:
Hennepin

Putnam County's estimated 2025 population is 5,577 with a growth rate of 0.14% 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 -7.27% since that time.

5,577
Total Population
35
Population Density (miĀ²)
94
Population Rank (State)
8 0.14%
Annual Population Growth

Putnam County Population

Putnam County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Putnam County includes 92.89% White, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native Hawaiian or Pacific Islander

Native American

Race
Population
Percentage (of total)
White5,20292.89%
Two or more races1793.2%
Other race1562.79%
Asian360.64%
Black or African American130.23%
Native Hawaiian or Pacific Islander130.23%
Native American10.02%

Putnam County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Putnam County's average per capita income is $49,178. Household income levels show a median of $77,526. The poverty rate stands at 9.95%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$103,512-
Families$93,265$107,164
Households$77,526$90,990
Non Families$40,042$51,413

$49,178

Average Income

$77,526

Median Household Income

9.95%

Poverty Rate