Market insights · Illinois
Marshall County, IL: growth, migration and housing
Marshall County has 11,473 residents, down 2.0% since 2020 (-0.8% in the last year). In 2022–2023, 275 households moved in and 324 moved out (-49 net), while a net $0.7M of income left. Median household income is $71,585, the median home $142,800 and median rent $782 a month.
In Illinois: 49th of 102 counties for 5-year population growth · 90th of 102 counties for net in-migration (per resident) · 39th of 102 counties for median household income · 44th of 102 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Marshall County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Peoria County, IL | 64 | $3.9M |
| LaSalle County, IL | 42 | $2.2M |
| Woodford County, IL | 36 | $1.7M |
Where leavers went
Top counties by households leaving Marshall County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Peoria County, IL | 61 | $2.8M |
| LaSalle County, IL | 42 | $2.5M |
| Woodford County, IL | 33 | $2.0M |
| Tazewell County, IL | 30 | $1.4M |
BizyFi in Marshall County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse Illinois companies.
← All Illinois counties · National rankings
Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.