Market insights · Illinois
Clark County, IL: growth, migration and housing
Clark County has 15,114 residents, down 2.2% since 2020 (-0.2% in the last year). In 2022–2023, 316 households moved in and 321 moved out (-5 net), while a net $0.9M of income left. Median household income is $72,927, the median home $132,400 and median rent $861 a month.
In Illinois: 57th of 102 counties for 5-year population growth · 25th of 102 counties for net in-migration (per resident) · 33rd of 102 counties for median household income · 54th of 102 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Clark County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Vigo County, IN | 49 | $2.9M |
| Coles County, IL | 35 | $1.0M |
| Edgar County, IL | 35 | $1.4M |
| Cumberland County, IL | 25 | $1.0M |
Where leavers went
Top counties by households leaving Clark County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Vigo County, IN | 49 | $2.5M |
| Coles County, IL | 39 | $1.6M |
| Edgar County, IL | 33 | $1.5M |
| Crawford County, IL | 28 | $2.7M |
BizyFi in Clark 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.