County ZIP codes · Ohio · FIPS 39063
Hancock County, OH ZIP Codes
Hancock County, Ohio has 24 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 23 residential and 1 for PO boxes or a single organization. 12 of the residential ones lie mainly in Hancock County and 11 mainly in a neighboring county; 13 cross the county line. Median household income ranges from $56,250 in 45836 (Dunkirk) to $91,115 in 45814 (Arlington) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Hancock County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $63,451 and $78,828.
They carry 23 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 23 residential ZIP codes in Hancock County
12 ZIP codes lie mainly in Hancock County; 11 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 45840 | Findlay | 54,559 | 328 | $68k | $213k | 100% |
| 45858 | McComb | 2,795 | 45 | $75k | $197k | 100% |
| 45814 | Arlington | 2,556 | 71 | $91k | $207k | 100% |
| 44804 | Arcadia | 1,763 | 91 | $96k | $194k | 100% |
| 45889 | Van Buren | 1,687 | 88 | $94k | $315k | 100% |
| 45881 | Rawson | 1,683 | 55 | $74k | $155k | 100% |
| 45867 | Mount Blanchard | 978 | 40 | $101k | $161k | 97% |
| 45841 | Jenera | 924 | 41 | $97k | $246k | 100% |
| 45890 | Vanlue | 842 | 59 | $99k | $208k | 100% |
| 45868 | Mount Cory | 737 | 41 | $96k | $133k | 96% |
| 45816 | Benton Ridge | 351 | 1,330 | $77k | $126k | 100% |
| 45897 | Williamstown | 115 | 96 | $57k | $170k | 100% |
Partly in Hancock County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 44802 | Alvada | 746 | 27 | $80k | $197k | 49% |
| 45817 | Bluffton | 5,926 | 93 | $77k | $210k | 47% |
| 45843 | Forest | 4,184 | 42 | $72k | $176k | 25% |
| 44830 | Fostoria | 18,671 | 158 | $63k | $122k | 22% |
| 44817 | Bloomdale | 1,505 | 49 | $65k | $160k | 15% |
| 45810 | Ada | 7,449 | 114 | $64k | $168k | 12% |
| 45872 | North Baltimore | 4,548 | 148 | $62k | $128k | 11% |
| 45836 | Dunkirk | 1,573 | 64 | $56k | $120k | 4% |
| 43316 | Carey | 5,968 | 79 | $79k | $167k | 4% |
| 43516 | Deshler | 2,789 | 38 | $89k | $151k | 4% |
| 45856 | Leipsic | 5,042 | 49 | $87k | $165k | 1% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
13 ZIP codes of Hancock County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Hancock | Elsewhere |
|---|---|---|
| 44830 | 22% | Seneca County 59%; Wood County 19% |
| 45810 | 12% | Hardin County 80%; Allen County 8% |
| 43316 | 4% | Wyandot County 79%; Seneca County 17% |
| 45817 | 47% | Allen County 50%; Putnam County 3% |
| 45856 | 1% | Putnam County 96%; Henry County 3% |
| 45872 | 11% | Wood County 89% |
| 45843 | 25% | Hardin County 38%; Wyandot County 37% |
| 43516 | 4% | Henry County 68%; Wood County 27%; Putnam County 1% |
| 45836 | 4% | Hardin County 96% |
| 44817 | 15% | Wood County 85% |
| 45867 | 97% | Wyandot County 3% |
| 44802 | 49% | Seneca County 51% |
| 45868 | 96% | Putnam County 4% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 45839 | Findlay |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Hancock County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Hancock County's ZIP codes use 4 prefixes: 433, 435, 448 and 458.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 433 | Columbus, OH (SCF 430) | 1 | 43 |
| 435 | Toledo, OH (SCF 434) | 1 | 55 |
| 448 | Cleveland, OH (SCF 440) | 4 | 63 |
| 458 | Columbus, OH (SCF 430) | 18 | 85 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.