Auglaize County, Ohio ZIP codes
10 ZIP codes are in Auglaize County, plus 8 that cross in from neighboring counties. It's part of the Wapakoneta, OH micro area.
- ZIP codes
- 10
- Population in these ZIPs
- 45,421
- Avg. median income
- $79,800population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Auglaize County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 45819 | Buckland | 226 | $67,500 | $152,900 |
| 45865 | Minster | 5,522 | $89,000 | $344,500 |
| 45869 | New Bremen | 4,170 | $88,277 | $313,600 |
| 45870 | New Hampshire | 445 | $162,813 | $118,100 |
| 45871 | New Knoxville | 2,167 | $87,500 | $268,100 |
| 45884 | Saint Johns | 141 | — | $131,800 |
| 45885 | Saint Marys | 12,753 | $78,550 | $209,400 |
| 45888 | Uniopolis | 166 | $88,237 | $94,000 |
| 45895 | Wapakoneta | 17,998 | $74,783 | $242,800 |
| 45896 | Waynesfield | 1,833 | $62,449 | $212,000 |
ZIP codes partly in Auglaize County
These ZIP codes are mostly in a neighboring county but cover part of Auglaize County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 43331 | Lakeview | Logan County | 4,106 | $60,980 | $199,900 |
| 45306 | Botkins | Shelby County | 2,124 | $86,354 | $285,900 |
| 45334 | Jackson Center | Shelby County | 1,882 | $70,595 | $220,700 |
| 45806 | Lima | Allen County | 10,974 | $82,587 | $237,300 |
| 45845 | Fort Loramie | Shelby County | 3,429 | $95,078 | $348,400 |
| 45850 | Harrod | Allen County | 3,559 | $84,886 | $241,400 |
| 45862 | Mendon | Mercer County | 1,417 | $45,556 | $179,700 |
| 45887 | Spencerville | Allen County | 4,422 | $68,409 | $202,600 |
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 Auglaize County
Nearby counties
Frequently asked questions
How many ZIP codes are in Auglaize County, Ohio?
10 ZIP codes are mainly in Auglaize County, and 8 more ZIP codes from neighboring areas reach partly into it.
What cities are in Auglaize County?
ZIP codes in Auglaize County use the city names Buckland, Minster, New Bremen, New Hampshire, New Knoxville, Saint Johns, Saint Marys, Uniopolis, Wapakoneta and Waynesfield.
What metro area is Auglaize County in?
Auglaize County is part of the Wapakoneta, OH micropolitan statistical area.