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Zip Code 45011 — Hamilton, OH

45011 is a ZIP Code associated with Hamilton, OH, located within Butler. 45011 ranks #1 out of 14 ZIP codes in Butler County by population (and #1 out of 1,232 in OH). The area supports an estimated population of 75,864 residents across Data Pending housing units, with a population density of 485.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.428920, -84.501730)

Data MetricLocal Statistic
Postal / Zip Code45011
Primary CityHamilton
State / ProvinceOH
CountyButler
Total Population75,864
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density485.0 people/sq mi
TimezoneAmerica/New_York

How 45011 Compares

MetricZIP 45011Butler CountyOH State Average
Population75,864389,474 (Total)11,810,293 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density485.0 /sq mi----
County Pop Rank#1 of 14----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45055Overpeck2.0 mi198N/A
Zip 45067Trenton4.4 mi15,471N/A
Zip 45062Seven Mile4.8 mi511N/A
Zip 45015Hamilton5.0 mi11,038N/A
Zip 45044Middletown6.7 mi56,217N/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 →