Market insights · Ohio
Darke County, OH: growth, migration and housing
Darke County has 51,520 residents, down 0.7% since 2020 (+0.1% in the last year). In 2022–2023, 906 households moved in and 1,000 moved out (-94 net), while a net $5.0M of income left. Median household income is $64,486, the median home $173,200 and median rent $779 a month.
In Ohio: 57th of 88 counties for 5-year population growth · 71st of 88 counties for net in-migration (per resident) · 52nd of 88 counties for median household income · 49th of 88 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Darke County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Montgomery County, OH | 152 | $7.1M |
| Miami County, OH | 151 | $6.8M |
| Preble County, OH | 78 | $3.5M |
| Randolph County, IN | 60 | $2.0M |
| Mercer County, OH | 47 | $2.7M |
| Shelby County, OH | 31 | $1.6M |
Where leavers went
Top counties by households leaving Darke County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Miami County, OH | 176 | $7.5M |
| Montgomery County, OH | 122 | $6.5M |
| Randolph County, IN | 75 | $2.7M |
| Preble County, OH | 57 | $3.0M |
| Mercer County, OH | 47 | $2.7M |
| Shelby County, OH | 47 | $2.6M |
| Auglaize County, OH | 31 | $1.6M |
| Wayne County, IN | 26 | $1.0M |
BizyFi in Darke 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.
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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.