In 2023, Cass County, IL had a population of 12.8k people with a median age of 38.1 and a median household income of $64,907. Between 2022 and 2023 the population of Cass County, IL declined from 12,955 to 12,826, a −0.996% decrease and its median household income grew from $64,826 to $64,907, a 0.125% increase.
The 5 largest ethnic groups in Cass County, IL are White (Non-Hispanic) (71.2%), Other (Hispanic) (8.25%), Two+ (Hispanic) (6.63%), White (Hispanic) (6.53%), and Black or African American (Non-Hispanic) (3.73%).
None of the households in Cass 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.
89.6% of the residents in Cass County, IL are U.S. citizens.
In 2023, the median property value in Cass County, IL was $95,500, and the homeownership rate was 74.9%.
Most people in Cass County, IL drove alone to work, and the average commute time was 22.1 minutes. The average car ownership in Cass County, IL was 2 cars per household.
Cass County, IL borders Brown County, IL, Mason County, IL, Menard County, IL, Morgan County, IL, Sangamon County, IL, and Schuyler County, IL.