Market insights · Ohio
Delaware County, OH: growth, migration and housing
Delaware County has 242,032 residents, up 12.5% since 2020 (+2.2% in the last year). In 2022–2023, 8,387 households moved in and 7,422 moved out (+965 net), bringing in a net $185.3M of income. Median household income is $133,540, the median home $445,500 and median rent $1,492 a month.
In Ohio: 2nd of 88 counties for 5-year population growth · 4th of 88 counties for net in-migration (per resident) · 1st of 88 counties for median household income · 1st of 88 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Delaware County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Franklin County, OH | 4,215 | $430.7M |
| Union County, OH | 187 | $15.8M |
| Marion County, OH | 146 | $6.8M |
| Licking County, OH | 142 | $12.6M |
| Morrow County, OH | 139 | $6.5M |
| Fairfield County, OH | 129 | $11.9M |
| Cuyahoga County, OH | 127 | $13.1M |
| Knox County, OH | 85 | $6.7M |
Where leavers went
Top counties by households leaving Delaware County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Franklin County, OH | 2,935 | $224.0M |
| Union County, OH | 239 | $25.1M |
| Morrow County, OH | 231 | $16.3M |
| Marion County, OH | 214 | $11.6M |
| Licking County, OH | 161 | $13.9M |
| Knox County, OH | 121 | $10.5M |
| Hamilton County, OH | 93 | $5.3M |
| Cuyahoga County, OH | 91 | $5.8M |
BizyFi in Delaware 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.