Market insights · Illinois
Adams County, IL: growth, migration and housing
Adams County has 64,267 residents, down 2.1% since 2020 (+0.1% in the last year). In 2022–2023, 998 households moved in and 1,019 moved out (-21 net), while a net $4.1M of income left. Median household income is $66,220, the median home $162,600 and median rent $828 a month.
In Illinois: 51st of 102 counties for 5-year population growth · 24th of 102 counties for net in-migration (per resident) · 55th of 102 counties for median household income · 30th of 102 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Adams County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Marion County, MO | 81 | $6.7M |
| Pike County, IL | 58 | $2.8M |
| Lewis County, MO | 52 | $1.8M |
| Hancock County, IL | 43 | $2.3M |
| Brown County, IL | 32 | $1.5M |
| Lee County, IA | 22 | $0.8M |
| Cook County, IL | 21 | $1.6M |
Where leavers went
Top counties by households leaving Adams County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Marion County, MO | 81 | $5.1M |
| Pike County, IL | 47 | $2.3M |
| Lewis County, MO | 45 | $2.3M |
| Hancock County, IL | 35 | $1.6M |
| St. Louis County, MO | 31 | $2.2M |
| Boone County, MO | 27 | $1.9M |
| Sangamon County, IL | 24 | $1.6M |
| Cook County, IL | 20 | $1.0M |
BizyFi in Adams 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.