In 2021, Marshall County, IL had a population of 11.8k people with a median age of 46.5 and a median household income of $60,231. Between 2020 and 2021 the population of Marshall County, IL grew from 11,562 to 11,781, a 1.89% increase and its median household income grew from $57,303 to $60,231, a 5.11% increase.
The 5 largest ethnic groups in Marshall County, IL are White (Non-Hispanic) (93.7%), Two+ (Non-Hispanic) (2.07%), White (Hispanic) (1.62%), Other (Hispanic) (0.866%), and Black or African American (Non-Hispanic) (0.662%).
None of the households in Marshall 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.
99.3% of the residents in Marshall County, IL are U.S. citizens.
In 2021, the median property value in Marshall County, IL was $111,300, and the homeownership rate was 80.2%.
Most people in Marshall County, IL drove alone to work, and the average commute time was 29 minutes. The average car ownership in Marshall County, IL was 2 cars per household.
Marshall County, IL borders Bureau County, IL, LaSalle County, IL, Peoria County, IL, Putnam County, IL, Stark County, IL, and Woodford County, IL.