Market insights · Illinois
Peoria County, IL: growth, migration and housing
Peoria County has 178,553 residents, down 1.6% since 2020 (+0.0% in the last year). In 2022–2023, 4,219 households moved in and 4,533 moved out (-314 net), while a net $96.4M of income left. Median household income is $65,108, the median home $158,500 and median rent $993 a month.
In Illinois: 41st of 102 counties for 5-year population growth · 54th of 102 counties for net in-migration (per resident) · 63rd of 102 counties for median household income · 33rd of 102 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Peoria County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Tazewell County, IL | 812 | $39.5M |
| Cook County, IL | 227 | $17.5M |
| McLean County, IL | 157 | $8.6M |
| Woodford County, IL | 130 | $7.7M |
| Fulton County, IL | 112 | $6.2M |
| Knox County, IL | 95 | $5.0M |
| Sangamon County, IL | 75 | $4.6M |
| Marshall County, IL | 61 | $2.8M |
Where leavers went
Top counties by households leaving Peoria County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Tazewell County, IL | 1,013 | $65.0M |
| Cook County, IL | 247 | $14.8M |
| McLean County, IL | 168 | $8.9M |
| Woodford County, IL | 155 | $10.4M |
| Fulton County, IL | 95 | $5.0M |
| Knox County, IL | 77 | $5.7M |
| Dallas County, TX | 70 | $11.4M |
| Marshall County, IL | 64 | $3.9M |
BizyFi in Peoria 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.