Market insights · Illinois
Hancock County, IL: growth, migration and housing
Hancock County has 16,803 residents, down 4.4% since 2020 (-0.8% in the last year). In 2022–2023, 400 households moved in and 406 moved out (-6 net), while a net $1.2M of income left. Median household income is $65,865, the median home $113,800 and median rent $782 a month.
In Illinois: 92nd of 102 counties for 5-year population growth · 27th of 102 counties for net in-migration (per resident) · 58th of 102 counties for median household income · 71st of 102 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Hancock County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Lee County, IA | 68 | $2.8M |
| McDonough County, IL | 40 | $1.7M |
| Adams County, IL | 35 | $1.6M |
Where leavers went
Top counties by households leaving Hancock County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Lee County, IA | 80 | $4.8M |
| McDonough County, IL | 58 | $2.3M |
| Adams County, IL | 43 | $2.3M |
BizyFi in Hancock County
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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.