Market insights · Illinois
Macoupin County, IL: growth, migration and housing
Macoupin County has 43,748 residents, down 2.6% since 2020 (-0.4% in the last year). In 2022–2023, 982 households moved in and 1,002 moved out (-20 net), bringing in a net $1.5M of income. Median household income is $70,805, the median home $138,200 and median rent $801 a month.
In Illinois: 68th of 102 counties for 5-year population growth · 29th of 102 counties for net in-migration (per resident) · 41st of 102 counties for median household income · 46th of 102 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Macoupin County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Madison County, IL | 293 | $14.6M |
| Sangamon County, IL | 131 | $6.4M |
| Montgomery County, IL | 90 | $4.3M |
| Jersey County, IL | 54 | $2.2M |
| St. Clair County, IL | 23 | $1.2M |
Where leavers went
Top counties by households leaving Macoupin County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Madison County, IL | 275 | $13.0M |
| Sangamon County, IL | 134 | $6.9M |
| Montgomery County, IL | 81 | $3.3M |
| Jersey County, IL | 55 | $3.0M |
| St. Clair County, IL | 34 | $1.4M |
| Morgan County, IL | 27 | $1.0M |
| St. Louis County, MO | 24 | $1.1M |
| Greene County, IL | 20 | $1.1M |
BizyFi in Macoupin 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.