Postal Codes

45423 ZIP Code

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ZIP code 45423 covers Dayton, Ohio, with a population of about 0.

Population
0
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
28

Where 45423 is

Dayton, Ohio — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population0
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments28
People employed713
Annual payroll$63,705,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 93.5% of US census tracts
FEMA ratingRelatively High
Expected annual loss91.6 out of 100
Community resilience70.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

River flooding98.7Very High at its worst in this ZIP code
Ice storm93.9Relatively High at its worst in this ZIP code
Strong wind90.7Relatively High at its worst in this ZIP code
Hail90.4Relatively High at its worst in this ZIP code
Earthquake85.7Relatively Moderate at its worst in this ZIP code
Winter weather78.6Relatively Moderate at its worst in this ZIP code
Landslide68.5Very Low at its worst in this ZIP code
Tornado67.6Relatively Moderate at its worst in this ZIP code
Cold wave67.3Relatively Moderate at its worst in this ZIP code
Lightning59.8Relatively Moderate at its worst in this ZIP code
Hurricane39.6Very Low at its worst in this ZIP code
Heat wave35.6Relatively Low at its worst in this ZIP code
Compared with Ohio and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPOhioUnited States
Median household income$69,680$78,538
Income per person$39,455$43,289
Poverty rate13.2%12.4%
Median home value$199,200$303,400
Median gross rent$988$1,348
Homeownership67%65%
Bachelor's degree or higher30.9%35%
Unemployment rate4.8%5.2%
Works from home11.5%13.5%
Born outside the US5%13.9%
Median age39.638.7
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Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationDAYTON MCD, OH US0.5 km away
Rain in a year42 in
Snow in a year12 in

Average high and low by month

January36.3°F / 20.1°F3.17 in rain, 6.9 in snow
February40.2°F / 22.6°F2.35 in rain, 1.5 in snow
March50.7°F / 30.6°F3.54 in rain, 1.7 in snow
April64.3°F / 41.4°F4.45 in rain
May74.9°F / 52.9°F4.38 in rain
June83.6°F / 62.4°F4.41 in rain
July86.7°F / 65.7°F4.03 in rain
August85.8°F / 63.9°F3.12 in rain
September79.2°F / 55.8°F3.03 in rain
October66.1°F / 43.5°F3 in rain
November52°F / 33.1°F3.04 in rain, 0.1 in snow
December40.9°F / 25.6°F3.13 in rain, 2.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket100% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Dayton City School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability45more vulnerable than 45% of US census tracts
Socioeconomic status52more vulnerable than 52% of US census tracts
Household characteristics5more vulnerable than 5% of US census tracts
Racial and ethnic minority status57more vulnerable than 57% of US census tracts
Housing type and transport76more vulnerable than 76% of US census tracts
Walkability17.3 out of 20Most walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

45412 Dayton, OH0 km away
45402 Dayton, OH0.3 km away
45422 Dayton, OH0.7 km away
45469 Dayton, OH2.3 km away
45479 Dayton, OH2.7 km away
45410 Dayton, OH3 km away
45403 Dayton, OH3.6 km away
45405 Dayton, OH3.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Montgomery County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area0.01 sq mi
Latitude, longitude39.7589, -84.1916

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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