In 2020, Putnam County, IL had a population of 5.72k people with a median age of 47.3 and a median household income of $64,694. Between 2019 and 2020 the population of Putnam County, IL declined from 5,721 to 5,720, a −0.0175% decrease and its median household income grew from $63,638 to $64,694, a 1.66% increase.
The 5 largest ethnic groups in Putnam County, IL are White (Non-Hispanic) (91.7%), White (Hispanic) (4.34%), Other (Hispanic) (1.22%), Asian (Non-Hispanic) (1.01%), and Two+ (Non-Hispanic) (0.979%).
None of the households in Putnam County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.6% of the residents in Putnam County, IL are U.S. citizens.
In 2020, the median property value in Putnam County, IL was $134,800, and the homeownership rate was 81.1%.
Most people in Putnam County, IL drove alone to work, and the average commute time was 24.7 minutes. The average car ownership in Putnam County, IL was 2 cars per household.
Putnam County, IL borders Bureau County, IL, LaSalle County, IL, and Marshall County, IL.