In 2020, Cumberland County, IL had a population of 10.8k people with a median age of 42.2 and a median household income of $59,271. Between 2019 and 2020 the population of Cumberland County, IL declined from 10,836 to 10,787, a −0.452% decrease and its median household income grew from $56,206 to $59,271, a 5.45% increase.
The 5 largest ethnic groups in Cumberland County, IL are White (Non-Hispanic) (96.5%), Two+ (Non-Hispanic) (2.14%), Other (Hispanic) (0.677%), White (Hispanic) (0.269%), and Asian (Non-Hispanic) (0.176%).
None of the households in Cumberland 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.
99.5% of the residents in Cumberland County, IL are U.S. citizens.
In 2020, the median property value in Cumberland County, IL was $106,300, and the homeownership rate was 81.2%.
Most people in Cumberland County, IL drove alone to work, and the average commute time was 21.3 minutes. The average car ownership in Cumberland County, IL was 2 cars per household.