| ZIP Codes: | 10 ZIP Codes (7 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 419 / 567 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:54:37 PM |
| Population: | 45,421 [See All] |
| FIPS: | 39011 |
| CBSA: | Wapakoneta, OH |
| Land Area: | 397 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 40.5420, -84.1889 |
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45,421 residents live across 10 ZIPs covering 397 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 45,238 to 45,421 from 2014 to 2024 — a +0.4% change. 4 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 45870 (New Hampshire, $162,813 median) and poorest ZIP 45896 (Waynesfield, $62,449) are 3.7 miles apart — a 2.6× income gap across local geography.
Median home values vary 2.4× across this county — from $118,100 in 45870 (New Hampshire) to $286,300 in 45865 (Minster).
Density varies 29× across the county — from 47 people/sq mi in 45896 (Waynesfield) to 1,351 in 45870 (New Hampshire).
Educational attainment ranges from 15.7% bachelor's+ in 45896 (Waynesfield) to 33.1% in 45865 (Minster) — the breadth of educational profiles across the area.
Within Ohio, this is the #55 most populous of 88 counties and ranks #9 for median household income .
Weighted by population, the typical household earns about $79,808 across the county — reflecting what a typical resident sees, not a simple ZIP average.
22.3% of adults age 25+ hold a bachelor's degree or higher (6,980 of 31,249 reporting).
7 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 45895 | Wapakoneta | Standard | 17,998 | $74,783 | 188.5 | -1.8% |
| 45885 | Saint Marys | Standard | 12,753 | $78,550 | 74.0 | 1.9% |
| 45865 | Minster | Standard | 5,522 | $89,000 | 38.6 | 13.6% |
| 45869 | New Bremen | Standard | 4,170 | $88,277 | 32.0 | -9.2% |
| 45871 | New Knoxville | Standard | 2,167 | $87,500 | 23.7 | 21.8% |
| 45896 | Waynesfield | Standard | 1,833 | $62,449 | 38.8 | -20.0% |
| 45870 | New Hampshire | PO Box | 445 | $162,813 | 0.3 | 176.4% |
| 45819 | Buckland | Standard | 226 | $67,500 | 0.3 | -15.7% |
| 45888 | Uniopolis | PO Box | 166 | $88,237 | 0.2 | -23.9% |
| 45884 | Saint Johns | PO Box | 141 | — | 0.1 | -33.5% |