Market insights · Ohio
Union County, OH: growth, migration and housing
Union County has 73,446 residents, up 16.4% since 2020 (+2.0% in the last year). In 2022–2023, 2,625 households moved in and 2,036 moved out (+589 net), bringing in a net $92.4M of income. Median household income is $112,322, the median home $344,900 and median rent $1,247 a month.
In Ohio: 1st of 88 counties for 5-year population growth · 1st of 88 counties for net in-migration (per resident) · 2nd of 88 counties for median household income · 3rd of 88 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Union County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Franklin County, OH | 1,015 | $120.8M |
| Delaware County, OH | 239 | $25.1M |
| Madison County, OH | 125 | $27.6M |
| Logan County, OH | 124 | $7.4M |
| Champaign County, OH | 78 | $3.8M |
| Marion County, OH | 61 | $3.5M |
| Miami-Dade County, FL | 38 | $1.4M |
| Hardin County, OH | 33 | $1.9M |
Where leavers went
Top counties by households leaving Union County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Franklin County, OH | 521 | $42.4M |
| Delaware County, OH | 187 | $15.8M |
| Logan County, OH | 159 | $10.4M |
| Marion County, OH | 90 | $4.6M |
| Madison County, OH | 83 | $7.7M |
| Champaign County, OH | 76 | $4.0M |
| Hardin County, OH | 30 | $1.2M |
| Clark County, OH | 28 | $1.1M |
BizyFi in Union 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.