Zip Code 45430 — Dayton, OH

ZIP Code 45430 is associated with Dayton, OH, in Greene County. The listed population estimate is 7,371; estimated density is 588.1 people per square mile. Among records with population estimates, it ranks #8 of 17 in Greene County and #444 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.712960, -84.084350)

Data MetricLocal Statistic
Postal / Zip Code45430
Primary CityDayton
State / ProvinceOH
CountyGreene
Total Population7,371
Population Density588.1 people/sq mi
TimezoneAmerica/New_York

How 45430 Compares

MetricZIP 45430Greene County recordsOH records
Population estimate7,371204,272 (sum)11,810,293 (sum)
Population Density588.1 /sq mi----
County population rank#8 of 17----
State population rank#444 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 45432Dayton1.8 mi15,055
ZIP 45420Dayton2.5 mi24,411
ZIP 45440Dayton2.8 mi22,358
ZIP 45434Dayton2.9 mi12,529
ZIP 45301Alpha3.3 mi224

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 →