Market insights · Ohio
Warren County, OH: growth, migration and housing
Warren County has 257,181 residents, up 5.7% since 2020 (+0.8% in the last year). In 2022–2023, 7,623 households moved in and 7,920 moved out (-297 net), while a net $32.3M of income left. Median household income is $110,132, the median home $349,400 and median rent $1,361 a month.
In Ohio: 6th of 88 counties for 5-year population growth · 60th of 88 counties for net in-migration (per resident) · 3rd of 88 counties for median household income · 2nd of 88 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Warren County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Butler County, OH | 1,492 | $101.4M |
| Hamilton County, OH | 1,451 | $134.9M |
| Montgomery County, OH | 1,040 | $100.0M |
| Clermont County, OH | 389 | $29.6M |
| Greene County, OH | 240 | $22.0M |
| Franklin County, OH | 168 | $12.6M |
| Clinton County, OH | 147 | $12.3M |
| Kings County, NY | 74 | $2.7M |
Where leavers went
Top counties by households leaving Warren County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Butler County, OH | 1,328 | $96.8M |
| Hamilton County, OH | 1,292 | $88.1M |
| Montgomery County, OH | 1,027 | $65.7M |
| Clermont County, OH | 515 | $44.0M |
| Franklin County, OH | 239 | $13.1M |
| Greene County, OH | 226 | $15.1M |
| Clinton County, OH | 201 | $11.2M |
| Cook County, IL | 102 | $7.7M |
BizyFi in Warren County
Fewer than 3 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Ohio companies.
← All Ohio counties · National rankings
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.