In 2023, Putnam County, IL had a population of 5.6k people with a median age of 47.2 and a median household income of $77,526. Between 2022 and 2023 the population of Putnam County, IL declined from 5,628 to 5,600, a −0.498% decrease and its median household income grew from $75,726 to $77,526, a 2.38% increase.
The 5 largest ethnic groups in Putnam County, IL are White (Non-Hispanic) (90.4%), White (Hispanic) (2.54%), Other (Hispanic) (2.16%), Two+ (Non-Hispanic) (1.71%), and Two+ (Hispanic) (1.48%).
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.
99.7% of the residents in Putnam County, IL are U.S. citizens.
In 2023, the median property value in Putnam County, IL was $167,800, and the homeownership rate was 80.7%.
Most people in Putnam County, IL drove alone to work, and the average commute time was 26.9 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.