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Zip Code 45409 — Dayton, OH

45409 is a ZIP Code associated with Dayton, OH, located within Montgomery. 45409 ranks #14 out of 32 ZIP codes in Montgomery County by population (and #291 out of 1,232 in OH). The area supports an estimated population of 15,293 residents across Data Pending housing units, with a population density of 1,605.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.723340, -84.190390)

Data MetricLocal Statistic
Postal / Zip Code45409
Primary CityDayton
State / ProvinceOH
CountyMontgomery
Total Population15,293
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,605.7 people/sq mi
TimezoneAmerica/New_York

How 45409 Compares

MetricZIP 45409Montgomery CountyOH State Average
Population15,293507,675 (Total)11,810,293 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density1,605.7 /sq mi----
County Pop Rank#14 of 32----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45469Dayton1.3 mi168N/A
Zip 45419Dayton1.4 mi17,008N/A
Zip 45410Dayton2.4 mi14,694N/A
Zip 45423Dayton2.6 miN/AN/A
Zip 45402Dayton2.7 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 →