| ZIP Codes: | 14 ZIP Codes (7 Standard, 7 PO Box, 0 Unique) [See All] |
| Area Codes: | 419 / 567 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:22 PM |
| Population: | 35,725 [See All] |
| FIPS: | 39137 |
| Land Area: | 527 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 41.0120, -84.1493 |
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35,725 residents live across 14 ZIPs covering 527 sq mi, served by 14 distinct USPS-recognized cities.
Population moved from 35,740 to 35,408 from 2014 to 2024 — a -0.9% change. 6 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 45875 (Ottawa, $93,144 median) and poorest ZIP 45877 (Pandora, $68,665) are 9.1 miles apart — a 1.4× income gap across local geography.
Median home values vary 1.5× across this county — from $162,500 in 45864 (Miller City) to $249,100 in 45876 (Ottoville).
Density varies 33× across the county — from 33 people/sq mi in 45827 (Cloverdale) to 1,099 in 45853 (Kalida).
Educational attainment ranges from 11.6% bachelor's+ in 45831 (Continental) to 38.0% in 45853 (Kalida) — the breadth of educational profiles across the area.
Within Ohio, this is the #67 most populous of 88 counties and ranks #22 for median household income .
Weighted by population, the typical household earns about $84,892 across the county — reflecting what a typical resident sees, not a simple ZIP average.
26.2% of adults age 25+ hold a bachelor's degree or higher (6,372 of 24,282 reporting).
7 Standard delivery, 7 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 45875 | Ottawa | Standard | 11,547 | $93,144 | 103.4 | 2.2% |
| 45830 | Columbus Grove | Standard | 5,199 | $80,897 | 92.8 | -17.1% |
| 45856 | Leipsic | Standard | 5,042 | $86,494 | 102.7 | -1.8% |
| 45831 | Continental | Standard | 3,233 | $71,473 | 76.1 | -3.8% |
| 45844 | Fort Jennings | Standard | 3,059 | $88,792 | 56.5 | -10.1% |
| 45877 | Pandora | Standard | 2,562 | $68,665 | 26.3 | 22.2% |
| 45827 | Cloverdale | Standard | 2,186 | $85,400 | 66.1 | 10.7% |
| 45853 | Kalida | PO Box | 1,526 | $87,500 | 1.4 | 15.1% |
| 45876 | Ottoville | PO Box | 829 | $71,125 | 0.9 | 9.9% |
| 45864 | Miller City | PO Box | 225 | $81,875 | 0.4 | 77.2% |
| 45893 | Vaughnsville | PO Box | 160 | — | 0.2 | — |
| 45815 | Belmore | PO Box | 81 | $60,000 | 0.0 | — |
| 45848 | Glandorf | PO Box | 76 | $77,813 | 0.0 | — |
| 45837 | Dupont | PO Box | — | — | 0.0 | — |