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Zip Code 45404 — Dayton, OH

45404 is a ZIP Code associated with Dayton, OH, located within Montgomery. The postal region supports an estimated population of 9,826 residents across Data Pending housing units, with a population density of 502.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.790110, -84.153240)

Data MetricLocal Statistic
Postal / Zip Code45404
Primary CityDayton
State / ProvinceOH
CountyMontgomery
Total Population9,826
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density502.0 people/sq mi
TimezoneAmerica/New_York

How 45404 Compares

MetricZIP 45404Montgomery CountyOH State Average
Population9,826507,67511,810,293
Median IncomeData PendingN/AN/A
Population Density502.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45403Dayton1.9 mi13,608N/A
Zip 45423Dayton2.9 miN/AN/A
Zip 45410Dayton3.0 mi14,694N/A
Zip 45405Dayton3.3 mi18,955N/A
Zip 45402Dayton3.6 mi9,407N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →