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Zip Code 45409 — Dayton, OH

ZIP Code 45409 is associated with Dayton, OH, in Montgomery County. The listed population estimate is 15,293; estimated density is 1,605.7 people per square mile. Among records with population estimates, it ranks #14 of 31 in Montgomery County and #291 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.723340, -84.190390)

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

How 45409 Compares

MetricZIP 45409Montgomery County recordsOH records
Population estimate15,293507,675 (sum)11,810,293 (sum)
Population Density1,605.7 /sq mi----
County population rank#14 of 31----
State population rank#291 of 1,215----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in OH

ZIP CodeCityDistancePopulation estimate
ZIP 45469Dayton1.3 mi168
ZIP 45419Dayton1.4 mi17,008
ZIP 45410Dayton2.4 mi14,694
ZIP 45423Dayton2.6 miN/A
ZIP 45402Dayton2.7 mi9,407

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 →