County ZIP codes · Ohio · FIPS 39099
Mahoning County, OH ZIP Codes
Mahoning County, Ohio has 42 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 38 residential and 4 for PO boxes or a single organization. 28 of the residential ones lie mainly in Mahoning County and 10 mainly in a neighboring county; 19 cross the county line. Median household income ranges from $21,018 in 44506 (Youngstown) to $102,726 in 44412 (Diamond) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Mahoning 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 $50,779 and $69,514.
They carry 26 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 38 residential ZIP codes in Mahoning County
28 ZIP codes lie mainly in Mahoning County; 10 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 44512 | Youngstown | 32,536 | 1,912 | $63k | $171k | 100% |
| 44515 | Youngstown | 27,690 | 1,499 | $53k | $151k | 100% |
| 44514 | Youngstown | 23,917 | 1,076 | $80k | $206k | 100% |
| 44406 | Canfield | 22,451 | 412 | $99k | $286k | 100% |
| 44511 | Youngstown | 18,909 | 2,558 | $57k | $125k | 100% |
| 44505 | Youngstown | 16,764 | 929 | $38k | $93k | 63% |
| 44509 | Youngstown | 10,562 | 1,875 | $37k | $58k | 94% |
| 44471 | Struthers | 10,295 | 2,298 | $55k | $106k | 100% |
| 44502 | Youngstown | 9,594 | 1,718 | $31k | $42k | 100% |
| 44405 | Campbell | 7,815 | 2,182 | $43k | $83k | 100% |
| 44504 | Youngstown | 5,191 | 4,224 | $45k | $78k | 99% |
| 44672 | Sebring | 4,634 | 1,471 | $51k | $100k | 100% |
| 44507 | Youngstown | 4,140 | 2,372 | $29k | $26k | 100% |
| 44609 | Beloit | 3,782 | 140 | $58k | $194k | 57% |
| 44442 | New Middletown | 3,762 | 416 | $62k | $196k | 100% |
| 44436 | Lowellville | 3,077 | 139 | $70k | $144k | 100% |
| 44451 | North Jackson | 2,892 | 75 | $61k | $241k | 100% |
| 44452 | North Lima | 2,602 | 190 | $62k | $257k | 100% |
| 44401 | Berlin Center | 2,526 | 83 | $72k | $237k | 100% |
| 44429 | Lake Milton | 2,313 | 353 | $82k | $172k | 96% |
| 44506 | Youngstown | 2,096 | 1,135 | $21k | $23k | 100% |
| 44510 | Youngstown | 2,027 | 1,057 | $20k | – | 100% |
| 44443 | New Springfield | 1,641 | 122 | $57k | $219k | 93% |
| 44449 | North Benton | 1,205 | 89 | $62k | $164k | 76% |
| 44503 | Youngstown | 938 | 2,113 | $12k | – | 100% |
| 44454 | Petersburg | 912 | 133 | $75k | $204k | 91% |
| 44619 | Damascus | 299 | 536 | – | $175k | 98% |
| 44555 | Youngstown | 169 | 1,798 | – | – | 100% |
Partly in Mahoning County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 44490 | Washingtonville | 597 | 759 | $39k | $112k | 45% |
| 44460 | Salem | 25,082 | 234 | $57k | $164k | 45% |
| 44408 | Columbiana | 11,159 | 313 | $74k | $208k | 36% |
| 44412 | Diamond | 2,976 | 132 | $103k | $282k | 25% |
| 44601 | Alliance | 32,696 | 399 | $62k | $155k | 14% |
| 44440 | Mineral Ridge | 4,418 | 525 | $65k | $168k | 10% |
| 44444 | Newton Falls | 9,220 | 224 | $61k | $146k | 7% |
| 44437 | McDonald | 3,913 | 1,007 | $77k | $137k | 6% |
| 44425 | Hubbard | 13,552 | 445 | $62k | $145k | 4% |
| 44481 | Warren | 10,206 | 179 | $64k | $161k | 3% |
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?
19 ZIP codes of Mahoning County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Mahoning | Elsewhere |
|---|---|---|
| 44601 | 14% | Stark County 73%; Columbiana County 13% |
| 44460 | 45% | Columbiana County 55% |
| 44505 | 63% | Trumbull County 37% |
| 44425 | 4% | Trumbull County 96% |
| 44408 | 36% | Columbiana County 64% |
| 44509 | 94% | Trumbull County 6% |
| 44481 | 3% | Trumbull County 97% |
| 44444 | 7% | Trumbull County 72%; Portage County 21% |
| 44504 | 99% | Trumbull County 1% |
| 44440 | 10% | Trumbull County 90% |
| 44437 | 6% | Trumbull County 94% |
| 44609 | 57% | Columbiana County 43% |
| 44412 | 25% | Portage County 75% |
| 44429 | 96% | Portage County 4% |
| 44443 | 93% | Columbiana County 7% |
| 44449 | 76% | Portage County 24% |
| 44454 | 91% | Columbiana County 9% |
| 44490 | 45% | Columbiana County 55% |
| 44619 | 98% | Columbiana County 2% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Mahoning County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Mahoning County's ZIP codes use 3 prefixes: 444, 445 and 446.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 444 | Youngstown, OH (SCF 444) | 23 | 58 |
| 445 | Youngstown, OH (SCF 444) | 15 | 15 |
| 446 | Akron, OH (SCF 442) | 4 | 77 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.