City ZIP codes · Ohio
Dayton, OH ZIP Codes
43 ZIP codes use the postal name Dayton, Ohio (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 30 residential and 13 for PO boxes or a single organization. Median household income runs from $36,945 in 45417 to $135,948 in 45434, 3.7 times as much (Census Bureau, ACS 2020-2024). Dayton's most populous ZIP code is 45424, with 50,725 people (ACS 2020-2024); 13% of its land is in the city of Dayton.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Dayton's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Dayton's ZIP codes?
The highest median household income is in 45434 ($135,948), the lowest in 45417 ($36,945). Home values run from $75,100 in 45417 to $362,700 in 45458.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 30 residential ZIP codes of Dayton
| County | |||||
|---|---|---|---|---|---|
| 45424 | Montgomery County | 50,725 | 1,609 | $81k | $184k |
| 45458 | Montgomery County | 38,712 | 1,948 | $110k | $363k |
| 45459 | Montgomery County | 28,553 | 2,011 | $90k | $302k |
| 45417 | Montgomery County | 28,186 | 875 | $37k | $75k |
| 45431 | Greene County | 27,951 | 2,382 | $83k | $210k |
| 45429 | Montgomery County | 26,347 | 2,662 | $80k | $239k |
| 45420 | Montgomery County | 24,411 | 3,788 | $61k | $131k |
| 45440 | Greene County | 22,358 | 2,431 | $82k | $268k |
| 45414 | Montgomery County | 21,167 | 973 | $55k | $182k |
| 45406 | Montgomery County | 19,991 | 4,013 | $42k | $85k |
| 45449 | Montgomery County | 19,066 | 2,805 | $64k | $164k |
| 45405 | Montgomery County | 18,955 | 4,777 | $44k | $84k |
| 45419 | Montgomery County | 17,008 | 4,565 | $92k | $248k |
| 45409 | Montgomery County | 15,293 | 4,159 | $87k | $249k |
| 45432 | Greene County | 15,055 | 2,111 | $83k | $183k |
| 45410 | Montgomery County | 14,694 | 6,105 | $47k | $111k |
| 45426 | Montgomery County | 14,114 | 709 | $52k | $124k |
| 45403 | Montgomery County | 13,608 | 4,324 | $38k | $88k |
| 45434 | Greene County | 12,529 | 1,201 | $136k | $310k |
| 45415 | Montgomery County | 12,465 | 2,075 | $81k | $189k |
| 45439 | Montgomery County | 11,914 | 1,532 | $52k | $143k |
| 45404 | Montgomery County | 9,826 | 1,300 | $39k | $87k |
| 45402 | Montgomery County | 9,407 | 2,155 | $48k | $136k |
| 45430 | Greene County | 7,371 | 1,523 | $116k | $279k |
| 45416 | Montgomery County | 5,640 | 2,912 | $46k | $81k |
| 45433 | Greene County | 1,508 | 212 | $90k | – |
| 45428 | Montgomery County | 272 | 598 | – | – |
| 45469 | Montgomery County | 168 | 9,333 | – | – |
| 45435 | Greene County | 134 | 757 | – | – |
| 45423 | Montgomery County | no residents | 0 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
PO Box and single-organization ZIP codes in Dayton
13 ZIP codes named Dayton have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 45401 | Montgomery County |
| 45412 | Montgomery County |
| 45413 | Montgomery County |
| 45422 | Montgomery County |
| 45437 | Montgomery County |
| 45441 | Montgomery County |
| 45448 | Montgomery County |
| 45470 | Montgomery County |
| 45475 | Montgomery County |
| 45479 | Montgomery County |
| 45481 | Montgomery County |
| 45482 | Montgomery County |
| 45490 | Montgomery County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Dayton's ZIP codes reach?
Dayton's residential ZIP codes lie in 4 counties: Montgomery County (23 ZIP codes mainly there), Greene County (7 ZIP codes mainly there), Miami County (part of a ZIP code), Warren County (part of a ZIP code).
Which places do Dayton's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Dayton's residential ZIP codes cover Dayton itself and 17 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
- Beavercreek 45430, 45431, 45432, 45434, 45440
- Kettering 45409, 45419, 45420, 45429, 45440
- Centerville 45429, 45440, 45458, 45459
- Riverside 45404, 45424, 45431, 45432
- Trotwood 45415, 45416, 45417, 45426
- Fort McKinley census-designated 45406, 45416
- Moraine 45409, 45439
- Oakwood 45409, 45419
- Shiloh census-designated 45405, 45415
- Clayton 45415
- Drexel census-designated 45417
- Fairborn 45435
- Huber Heights 45424
- Miamisburg 45449
- Vandalia 45414
- West Carrollton 45449
- Wright-Patterson AFB census-designated 45433
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Dayton's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Dayton starts with 454.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 454 | Dayton, OH (SCF 453) | 43 | 43 |
All 43 ZIP codes that start with 454 are Dayton's: 30 residential codes and 13 PO Box or unique codes, sorted at Dayton, OH (SCF 453).
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.