Market insights · Illinois
Alexander County, IL: growth, migration and housing
Alexander County has 4,570 residents, down 11.6% since 2020 (-0.9% in the last year). In 2022–2023, 78 households moved in and 135 moved out (-57 net), while a net $2.0M of income left. Median household income is $47,043, the median home $59,800 and median rent $656 a month.
In Illinois: 102nd of 102 counties for 5-year population growth · 102nd of 102 counties for net in-migration (per resident) · 101st of 102 counties for median household income · 102nd of 102 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Alexander County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Alexander County (it suppresses flows of fewer than 20 households).
Where leavers went
Top counties by households leaving Alexander County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Cape Girardeau County, MO | 38 | $1.1M |
BizyFi in Alexander 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.
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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.