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Zip Code 45402 — Dayton, OH

45402 is a ZIP Code associated with Dayton, OH, located within Montgomery. 45402 ranks #23 out of 32 ZIP codes in Montgomery County by population (and #394 out of 1,232 in OH). The area supports an estimated population of 9,407 residents across Data Pending housing units, with a population density of 831.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.759830, -84.207510)

Data MetricLocal Statistic
Postal / Zip Code45402
Primary CityDayton
State / ProvinceOH
CountyMontgomery
Total Population9,407
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density831.9 people/sq mi
TimezoneAmerica/New_York

How 45402 Compares

MetricZIP 45402Montgomery CountyOH State Average
Population9,407507,675 (Total)11,810,293 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density831.9 /sq mi----
County Pop Rank#23 of 32----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45423Dayton0.9 miN/AN/A
Zip 45469Dayton2.0 mi168N/A
Zip 45405Dayton2.3 mi18,955N/A
Zip 45406Dayton2.5 mi19,991N/A
Zip 45409Dayton2.7 mi15,293N/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 →