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Zip Code 45051 — Mount Saint Joseph, OH

45051 is a ZIP Code associated with Mount Saint Joseph, OH, located within Hamilton. The postal region supports an estimated population of 334 residents across Data Pending housing units, with a population density of 284.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.099830, -84.655040)

Data MetricLocal Statistic
Postal / Zip Code45051
Primary CityMount Saint Joseph
State / ProvinceOH
CountyHamilton
Total Population334
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density284.1 people/sq mi
TimezoneAmerica/New_York

How 45051 Compares

MetricZIP 45051Hamilton CountyOH State Average
Population334842,50111,810,293
Median IncomeData PendingN/AN/A
Population Density284.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45233Cincinnati1.4 mi15,981N/A
Zip 45238Cincinnati2.5 mi48,351N/A
Zip 45001Addyston3.9 mi904N/A
Zip 45205Cincinnati4.3 mi18,651N/A
Zip 45204Cincinnati4.5 mi8,412N/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 →