Wyandot County, OH ZIP codes
There are 7 ZIP codes in Wyandot County, OH, in 7 towns, from 43316 to 44882. The largest are 43351 (Upper Sandusky), 43316 (Carey) and 44882 (Sycamore). 1 more crosses into it from a neighbouring county: 45843.
The county seat is Upper Sandusky.
- ZIP codes
- 7
- Partly in it
- 1 more
- Towns
- 7
- County seat
- Upper Sandusky
- County FIPS
39175- State
- Ohio
- Population
- 21,598
- Median household income
- $69,768
- Land area
- 407 sq mi
Wyandot County ZIP codes by town
- Upper Sandusky (county seat)
- 43351
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Wyandot County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Wyandot County.
- 45843 Forest · mostly in Hardin County
Map of Wyandot County ZIP codes
The ZIP codes of Wyandot County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Wyandot County in numbers
About 21,598 people live in Wyandot County, in 8,999 households, the 82nd most populous of Ohio's 88 counties. The median household income is $69,768 a year, about the same as the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $163,400 (24% below the Ohio median), and median gross rent is $827 a month. The median age is 41.7; 19.6% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 21 minutes.
| Population | 21,598 |
|---|---|
| Households | 8,999 |
| Median age | 41.7 |
| Median household income | $69,768 |
| Median home value | $163,400 |
| Median gross rent | $827 |
| Bachelor's degree or higher | 19.6% |
| Mean commute | 20.7 min |
| Population density | 53 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Wyandot County
| Town | ZIP codes | Population |
|---|---|---|
| Upper Sandusky | 1 | 6,558 |
| Carey | 1 | 3,622 |
| Nevada | 1 | 804 |
| Sycamore | 1 | 647 |
| Wharton | 1 | 329 |
| Harpster | 1 | 277 |
| Kirby | 1 | 100 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Wyandot County.
Not sure you are in Wyandot County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Wyandot County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
43316 | Carey , OH | Standard | 5,968 | $78,828 | $167,300 |
43323 | Harpster , OH | Standard | 598 | $56,667 | $178,500 |
43330 | Kirby , OH | Standard | 100 | $65,625 | $105,000 |
43351 | Upper Sandusky , OH | Standard | 10,457 | $67,606 | $170,400 |
43359 | Wharton , OH | Standard | 748 | $69,167 | $165,100 |
44849 | Nevada , OH | Standard | 2,195 | $69,902 | $145,700 |
44882 | Sycamore , OH | Standard | 2,133 | $73,529 | $164,000 |
Cite this page
zipcodes.pro. “Wyandot County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/oh/county/wyandot
Underlying data is public domain or openly licensed — sources, vintages and licences.