| ZIP Codes: | 8 ZIP Codes (6 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 419 / 567 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:19 PM |
| Population: | 38,068 [See All] |
| FIPS: | 39039 |
| CBSA: | Defiance, OH |
| Land Area: | 378 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 41.3440, -84.5213 |
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38,068 residents live across 8 ZIPs covering 378 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 37,940 to 38,068 from 2014 to 2024 — a +0.3% change. 3 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 43549 (Ney, $84,189 median) and poorest ZIP 43526 (Hicksville, $66,912) are 11.4 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.7× across this county — from $114,700 in 43519 (Evansport) to $195,900 in 43556 (Sherwood).
Density varies 11× across the county — from 22 people/sq mi in 43536 (Mark Center) to 249 in 43519 (Evansport).
Educational attainment ranges from 13.3% bachelor's+ in 43526 (Hicksville) to 25.5% in 43549 (Ney) — the breadth of educational profiles across the area.
Within Ohio, this is the #64 most populous of 88 counties and ranks #35 for median household income .
Weighted by population, the typical household earns about $71,501 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.5% of adults age 25+ hold a bachelor's degree or higher (4,859 of 26,233 reporting).
6 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 43512 | Defiance | Standard | 28,022 | $71,841 | 222.1 | 0.1% |
| 43526 | Hicksville | Standard | 6,464 | $66,912 | 78.2 | 16.9% |
| 43556 | Sherwood | Standard | 1,670 | $73,125 | 32.2 | -20.6% |
| 43549 | Ney | Standard | 1,317 | $84,189 | 29.0 | -9.7% |
| 43536 | Mark Center | Standard | 338 | $68,625 | 15.1 | -47.8% |
| 43519 | Evansport | Standard | 257 | $78,114 | 1.0 | 19.0% |
| 43520 | Farmer | PO Box | 0 | — | 0.0 | — |
| 43530 | Jewell | PO Box | 0 | — | 0.0 | — |