Home > OH > Butler County > Middletown > Zip 45044

Zip Code 45044 — Middletown, OH

ZIP Code 45044 is associated with Middletown, OH, in Butler County. The listed population estimate is 56,217; estimated density is 574.3 people per square mile. Among records with population estimates, it ranks #2 of 14 in Butler County and #18 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.450280, -84.379880)

Data MetricLocal Statistic
Postal / Zip Code45044
Primary CityMiddletown
State / ProvinceOH
CountyButler
Total Population56,217
Population Density574.3 people/sq mi
TimezoneAmerica/New_York

How 45044 Compares

MetricZIP 45044Butler County recordsOH records
Population estimate56,217389,474 (sum)11,810,293 (sum)
Population Density574.3 /sq mi----
County population rank#2 of 14----
State population rank#18 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 45050Monroe0.8 mi12,248
ZIP 45067Trenton6.0 mi15,471
ZIP 45011Hamilton6.7 mi75,864
ZIP 45055Overpeck7.0 mi198
ZIP 45005Franklin7.2 mi32,251

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 →