| ZIP Codes: | 10 ZIP Codes (8 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 220 / 419 / 567 / 740 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:20 PM |
| Population: | 63,618 [See All] |
| FIPS: | 39083 |
| CBSA: | Mount Vernon, OH |
| Land Area: | 535 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 40.3773, -82.4034 |
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63,618 residents live across 10 ZIPs covering 535 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 62,666 to 63,618 from 2014 to 2024 — a +1.5% change. 3 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 43022 (Gambier, $94,712 median) and poorest ZIP 43006 (Brinkhaven, $63,152) are 12.5 miles apart — a 1.5× income gap across local geography.
Median home values vary 3.2× across this county — from $97,400 in 43005 (Bladensburg) to $315,900 in 43022 (Gambier).
Density varies 160× across the county — from 28 people/sq mi in 43006 (Brinkhaven) to 4,455 in 43005 (Bladensburg).
Educational attainment ranges from 12.5% bachelor's+ in 43014 (Danville) to 47.8% in 43022 (Gambier) — the breadth of educational profiles across the area.
Within Ohio, this is the #41 most populous of 88 counties and ranks #31 for median household income .
Weighted by population, the typical household earns about $72,667 across the county — reflecting what a typical resident sees, not a simple ZIP average.
24.2% of adults age 25+ hold a bachelor's degree or higher (10,268 of 42,406 reporting).
8 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 43050 | Mount Vernon | Standard | 31,074 | $64,108 | 157.8 | 9.3% |
| 43019 | Fredericktown | Standard | 9,445 | $68,104 | 108.9 | -2.8% |
| 43028 | Howard | Standard | 7,799 | $91,186 | 55.1 | -0.7% |
| 43011 | Centerburg | Standard | 6,594 | $90,121 | 80.3 | -14.7% |
| 43014 | Danville | Standard | 3,738 | $66,481 | 65.0 | 3.5% |
| 43022 | Gambier | Standard | 3,635 | $94,712 | 39.7 | -11.1% |
| 43006 | Brinkhaven | Standard | 701 | $63,152 | 25.1 | -0.6% |
| 43005 | Bladensburg | PO Box | 339 | $72,910 | 0.1 | 118.7% |
| 43037 | Martinsburg | Standard | 293 | $69,625 | 3.1 | -20.8% |
| 43048 | Mount Liberty | PO Box | — | — | 0.0 | — |