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Zip Code 45365 — Sidney, OH

45365 is a ZIP Code associated with Sidney, OH, located within Shelby. The postal region supports an estimated population of 28,965 residents across Data Pending housing units, with a population density of 71.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.282800, -84.155820)

Data MetricLocal Statistic
Postal / Zip Code45365
Primary CitySidney
State / ProvinceOH
CountyShelby
Total Population28,965
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density71.8 people/sq mi
TimezoneAmerica/New_York

How 45365 Compares

MetricZIP 45365Shelby CountyOH State Average
Population28,96545,83411,810,293
Median IncomeData PendingN/AN/A
Population Density71.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45360Port Jefferson4.7 mi278N/A
Zip 45353Pemberton6.0 mi242N/A
Zip 45340Maplewood8.3 mi800N/A
Zip 45302Anna8.6 mi4,338N/A
Zip 45356Piqua9.2 mi25,237N/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 →