Zip Code 45434 — Dayton, OH

ZIP Code 45434 is associated with Dayton, OH, in Greene County. The listed population estimate is 12,529; estimated density is 463.6 people per square mile. Among records with population estimates, it ranks #6 of 17 in Greene County and #338 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.722840, -84.030520)

Data MetricLocal Statistic
Postal / Zip Code45434
Primary CityDayton
State / ProvinceOH
CountyGreene
Total Population12,529
Population Density463.6 people/sq mi
TimezoneAmerica/New_York

How 45434 Compares

MetricZIP 45434Greene County recordsOH records
Population estimate12,529204,272 (sum)11,810,293 (sum)
Population Density463.6 /sq mi----
County population rank#6 of 17----
State population rank#338 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 45301Alpha0.9 mi224
ZIP 45430Dayton2.9 mi7,371
ZIP 45432Dayton3.2 mi15,055
ZIP 45431Dayton3.9 mi27,951
ZIP 45435Dayton4.4 mi134

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 →