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?

45402: $48k median household income45403: $38k median household income45404: $39k median household income45405: $44k median household income45406: $42k median household income45409: $87k median household income45410: $47k median household income45414: $55k median household income45415: $81k median household income45416: $46k median household income45417: $37k median household income45419: $92k median household income45420: $61k median household income45423: – median household income45424: $81k median household income45426: $52k median household income45428: – median household income45429: $80k median household income45430: $116k median household income45431: $83k median household income45432: $83k median household income45433: $90k median household income45434: $136k median household income45435: – median household income45439: $52k median household income45440: $82k median household income45449: $64k median household income45458: $110k median household income45459: $90k median household income45469: – median household income4541745414454244542645458454314545945404454344544045439454294542045415454334544945432454024540645409454194543045403454104541645402: $48k median household income45403: $38k median household income45404: $39k median household income45405: $44k median household income45406: $42k median household income45409: $87k median household income45410: $47k median household income45414: $55k median household income45415: $81k median household income45416: $46k median household income45417: $37k median household income45419: $92k median household income45420: $61k median household income45423: – median household income45424: $81k median household income45426: $52k median household income45428: – median household income45429: $80k median household income45430: $116k median household income45431: $83k median household income45432: $83k median household income45433: $90k median household income45434: $136k median household income45435: – median household income45439: $52k median household income45440: $82k median household income45449: $64k median household income45458: $110k median household income45459: $90k median household income45469: – median household income454174541445424454264545845431454594540445434454404543945429454204543345449454324540245406454094543045403454104541645402: $48k median household income45403: $38k median household income45404: $39k median household income45405: $44k median household income45406: $42k median household income45409: $87k median household income45410: $47k median household income45414: $55k median household income45415: $81k median household income45416: $46k median household income45417: $37k median household income45419: $92k median household income45420: $61k median household income45423: – median household income45424: $81k median household income45426: $52k median household income45428: – median household income45429: $80k median household income45430: $116k median household income45431: $83k median household income45432: $83k median household income45433: $90k median household income45434: $136k median household income45435: – median household income45439: $52k median household income45440: $82k median household income45449: $64k median household income45458: $110k median household income45459: $90k median household income45469: – median household income454174541445424454264545845431454594540445434454404543945429454204543345449454024540645403
The 30 residential ZIP codes named Dayton, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

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

Residential ZIP codes with the postal name Dayton, OH, largest first (ACS 2020-2024); sort by any column
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 – –

Download the 43 ZIP codes as CSV

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.

Dayton, OH: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
45401Montgomery County
45412Montgomery County
45413Montgomery County
45422Montgomery County
45437Montgomery County
45441Montgomery County
45448Montgomery County
45470Montgomery County
45475Montgomery County
45479Montgomery County
45481Montgomery County
45482Montgomery County
45490Montgomery 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:

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.

Three-digit prefixes of Dayton's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Dayton's
PrefixSectional centerHereAll 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.