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Zip Code 45406 — Dayton, OH

ZIP Code 45406 is associated with Dayton, OH, in Montgomery County. The listed population estimate is 19,991; estimated density is 1,549.4 people per square mile. Among records with population estimates, it ranks #10 of 31 in Montgomery County and #215 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.784420, -84.241780)

Data MetricLocal Statistic
Postal / Zip Code45406
Primary CityDayton
State / ProvinceOH
CountyMontgomery
Total Population19,991
Population Density1,549.4 people/sq mi
TimezoneAmerica/New_York

How 45406 Compares

MetricZIP 45406Montgomery County recordsOH records
Population estimate19,991507,675 (sum)11,810,293 (sum)
Population Density1,549.4 /sq mi----
County population rank#10 of 31----
State population rank#215 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 45405Dayton1.5 mi18,955
ZIP 45416Dayton1.8 mi5,640
ZIP 45402Dayton2.5 mi9,407
ZIP 45428Dayton3.1 mi272
ZIP 45423Dayton3.2 miN/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 →