Market insights · Illinois
Piatt County, IL: growth, migration and housing
Piatt County has 16,791 residents, up 0.6% since 2020 (+0.9% in the last year). In 2022–2023, 444 households moved in and 472 moved out (-28 net), bringing in a net $1.1M of income. Median household income is $94,811, the median home $180,600 and median rent $1,046 a month.
In Illinois: 10th of 102 counties for 5-year population growth · 51st of 102 counties for net in-migration (per resident) · 8th of 102 counties for median household income · 22nd of 102 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Piatt County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Champaign County, IL | 162 | $11.7M |
| Macon County, IL | 53 | $3.2M |
| Douglas County, IL | 29 | $1.7M |
| De Witt County, IL | 22 | $1.2M |
Where leavers went
Top counties by households leaving Piatt County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Champaign County, IL | 107 | $5.9M |
| Macon County, IL | 59 | $3.3M |
| Douglas County, IL | 32 | $1.7M |
BizyFi in Piatt 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.