Auglaize County, OH ZIP codes
There are 10 ZIP codes in Auglaize County, OH, in 10 towns, from 45819 to 45896. The largest are 45895 (Wapakoneta), 45885 (Saint Marys) and 45865 (Minster).
The county seat is Wapakoneta.
- ZIP codes
- 10
- Towns
- 10
- County seat
- Wapakoneta
- County FIPS
39011- State
- Ohio
- Population
- 46,125
- Median household income
- $78,660
- Land area
- 401 sq mi
- Metro area
- Wapakoneta
Auglaize County ZIP codes by town
- Wapakoneta (county seat)
- 45895
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Auglaize County ZIP codes
The ZIP codes of Auglaize County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Auglaize County in numbers
About 46,125 people live in Auglaize County, in 18,940 households, the 51st most populous of Ohio's 88 counties. The median household income is $78,660 a year, 10% above the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $189,800 (12% below the Ohio median), and median gross rent is $868 a month. The median age is 41.0; 21.6% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 19 minutes.
| Population | 46,125 |
|---|---|
| Households | 18,940 |
| Median age | 41.0 |
| Median household income | $78,660 |
| Median home value | $189,800 |
| Median gross rent | $868 |
| Bachelor's degree or higher | 21.6% |
| Mean commute | 18.8 min |
| Population density | 115 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Auglaize County
| Town | ZIP codes | Population |
|---|---|---|
| Wapakoneta | 1 | 9,894 |
| St. Marys | 1 | 8,301 |
| Minster | 1 | 3,182 |
| New Bremen | 1 | 2,787 |
| New Knoxville | 1 | 1,058 |
| Waynesfield | 1 | 752 |
| New Hampshire | 1 | 445 |
| Buckland | 1 | 226 |
| Uniopolis | 1 | 166 |
| St. Johns | 1 | 163 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Auglaize County.
- Allen County (14)
- Shelby County (12)
- Logan County (13)
- Mercer County (10)
- Hardin County (10)
- Van Wert County (8)
Not sure you are in Auglaize County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Auglaize County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
45819 | Buckland , OH | Standard | 226 | $67,500 | $104,800 |
45865 | Minster , OH | Standard | 5,522 | $89,000 | $286,300 |
45869 | New Bremen , OH | Standard | 4,170 | $88,277 | $249,700 |
45870 | New Hampshire , OH | Standard | 445 | $162,813 | $118,100 |
45871 | New Knoxville , OH | Standard | 2,167 | $87,500 | $211,700 |
45884 | Saint Johns , OH | Standard | 141 | — | $131,800 |
45885 | Saint Marys , OH | Standard | 12,753 | $78,550 | $164,700 |
45888 | Uniopolis , OH | Standard | 166 | $88,237 | $94,000 |
45895 | Wapakoneta , OH | Standard | 17,998 | $74,783 | $188,300 |
45896 | Waynesfield , OH | Standard | 1,833 | $62,449 | $173,000 |
Cite this page
zipcodes.pro. “Auglaize County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/oh/county/auglaize
Underlying data is public domain or openly licensed — sources, vintages and licences.