Zip Code 44830 — Fostoria, OH
44830 is a ZIP Code associated with Fostoria, OH, located within Seneca. 44830 ranks #2 out of 14 ZIP codes in Seneca County by population (and #234 out of 1,232 in OH). The area supports an estimated population of 18,671 residents across Data Pending housing units, with a population density of 60.9 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.166030, -83.400810)
| Data Metric | Local Statistic |
| Postal / Zip Code | 44830 |
| Primary City | Fostoria |
| State / Province | OH |
| County | Seneca |
| Total Population | 18,671 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 60.9 people/sq mi |
| Timezone | America/New_York |
How 44830 Compares
| Metric | ZIP 44830 | Seneca County | OH State Average |
| Population | 18,671 | 60,208 (Total) | 11,810,293 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 60.9 /sq mi | -- | -- |
| County Pop Rank | #2 of 14 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →