Market insights · Ohio
Seneca County, OH: growth, migration and housing
Seneca County has 54,522 residents, down 1.0% since 2020 (-0.3% in the last year). In 2022–2023, 1,304 households moved in and 1,184 moved out (+120 net), bringing in a net $3.8M of income. Median household income is $66,025, the median home $154,700 and median rent $856 a month.
In Ohio: 63rd of 88 counties for 5-year population growth · 9th of 88 counties for net in-migration (per resident) · 48th of 88 counties for median household income · 71st of 88 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Seneca County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Hancock County, OH | 223 | $11.1M |
| Sandusky County, OH | 195 | $9.3M |
| Wood County, OH | 113 | $4.5M |
| Wyandot County, OH | 84 | $3.5M |
| Huron County, OH | 61 | $2.4M |
| Lucas County, OH | 54 | $2.4M |
| Franklin County, OH | 38 | $1.7M |
| Crawford County, OH | 34 | $1.3M |
Where leavers went
Top counties by households leaving Seneca County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Hancock County, OH | 222 | $10.1M |
| Sandusky County, OH | 136 | $6.7M |
| Wood County, OH | 122 | $4.9M |
| Wyandot County, OH | 71 | $3.3M |
| Franklin County, OH | 54 | $3.1M |
| Huron County, OH | 42 | $3.2M |
| Lucas County, OH | 42 | $1.5M |
| Crawford County, OH | 26 | $1.1M |
BizyFi in Seneca 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.