Home > OH > Mercer County > Celina > Zip 45822

Zip Code 45822 — Celina, OH

45822 is a ZIP Code associated with Celina, OH, located within Mercer. The postal region supports an estimated population of 19,957 residents across Data Pending housing units, with a population density of 47.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.552660, -84.596640)

Data MetricLocal Statistic
Postal / Zip Code45822
Primary CityCelina
State / ProvinceOH
CountyMercer
Total Population19,957
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density47.3 people/sq mi
TimezoneAmerica/New_York

How 45822 Compares

MetricZIP 45822Mercer CountyOH State Average
Population19,95742,54911,810,293
Median IncomeData PendingN/AN/A
Population Density47.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45866Montezuma5.0 mi117N/A
Zip 45828Coldwater6.2 mi6,404N/A
Zip 45862Mendon9.3 mi1,417N/A
Zip 45882Rockford9.6 mi2,919N/A
Zip 45826Chickasaw9.7 mi394N/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 →