Defiance County, Ohio ZIP codes
8 ZIP codes are in Defiance County, plus 8 that cross in from neighboring counties. It's part of the Defiance, OH micro area.
- ZIP codes
- 8
- Population in these ZIPs
- 38,068
- Avg. median income
- $71,500population-weighted
- Cities & towns
- 8
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Defiance County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 43512 | Defiance | 28,022 | $71,841 | $184,700 |
| 43519 | Evansport | 257 | $78,114 | $114,700 |
| 43520 | Farmer | 0 | — | — |
| 43526 | Hicksville | 6,464 | $66,912 | $181,700 |
| 43530 | Jewell | 0 | — | — |
| 43536 | Mark Center | 338 | $68,625 | $166,800 |
| 43549 | Ney | 1,317 | $84,189 | $204,600 |
| 43556 | Sherwood | 1,670 | $73,125 | $170,700 |
ZIP codes partly in Defiance County
These ZIP codes are mostly in a neighboring county but cover part of Defiance County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 43506 | Bryan | Williams County | 14,734 | $60,234 | $193,400 |
| 43517 | Edgerton | Williams County | 3,442 | $58,578 | $204,300 |
| 43527 | Holgate | Henry County | 2,151 | $58,821 | $175,400 |
| 43545 | Napoleon | Henry County | 14,404 | $78,548 | $216,400 |
| 43548 | New Bavaria | Henry County | 832 | $96,875 | $194,300 |
| 45813 | Antwerp | Paulding County | 3,719 | $65,054 | $178,200 |
| 45821 | Cecil | Paulding County | 759 | $76,648 | $195,200 |
| 45831 | Continental | Putnam County | 3,233 | $71,473 | $212,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Defiance County
Nearby counties
Frequently asked questions
How many ZIP codes are in Defiance County, Ohio?
8 ZIP codes are mainly in Defiance County, and 8 more ZIP codes from neighboring areas reach partly into it.
What cities are in Defiance County?
ZIP codes in Defiance County use the city names Defiance, Evansport, Farmer, Hicksville, Jewell, Mark Center, Ney and Sherwood.
What metro area is Defiance County in?
Defiance County is part of the Defiance, OH micropolitan statistical area.