Zip Code 45836 — Dunkirk, OH
45836 is a ZIP Code associated with Dunkirk, OH, located within Hardin. 45836 ranks #7 out of 10 ZIP codes in Hardin County by population (and #835 out of 1,232 in OH). The area supports an estimated population of 1,573 residents across Data Pending housing units, with a population density of 24.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.793040, -83.643110)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 45836 |
| Primary City | Dunkirk |
| State / Province | OH |
| County | Hardin |
| Total Population | 1,573 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 24.6 people/sq mi |
| Timezone | America/New_York |
How 45836 Compares
| Metric | ZIP 45836 | Hardin County | OH State Average |
|---|
| Population | 1,573 | 34,157 (Total) | 11,810,293 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 24.6 /sq mi | -- | -- |
| County Pop Rank | #7 of 10 | -- | -- |
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 →