In 2021, Marshall County, IA had a population of 40.1k people with a median age of 38.4 and a median household income of $63,591. Between 2020 and 2021 the population of Marshall County, IA grew from 39,804 to 40,137, a 0.837% increase and its median household income grew from $58,735 to $63,591, a 8.27% increase.
The 5 largest ethnic groups in Marshall County, IA are White (Non-Hispanic) (68.6%), White (Hispanic) (11.9%), Other (Hispanic) (6.22%), Two+ (Hispanic) (4.38%), and Asian (Non-Hispanic) (3.9%).
None of the households in Marshall County, IA 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.
91.8% of the residents in Marshall County, IA are U.S. citizens.
The largest universities in Marshall County, IA are Marshalltown Community College (411 degrees awarded in 2021).
In 2021, the median property value in Marshall County, IA was $106,900, and the homeownership rate was 71.9%.
Most people in Marshall County, IA drove alone to work, and the average commute time was 18.9 minutes. The average car ownership in Marshall County, IA was 2 cars per household.
Marshall County, IA borders Grundy County, IA, Hardin County, IA, Jasper County, IA, Poweshiek County, IA, Story County, IA, and Tama County, IA.