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Zip Code 45212 — Cincinnati, OH

ZIP Code 45212 is associated with Cincinnati, OH, in Hamilton County. The listed population estimate is 21,526; estimated density is 2,270.0 people per square mile. Among records with population estimates, it ranks #17 of 54 in Hamilton County and #189 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.164030, -84.451730)

Data MetricLocal Statistic
Postal / Zip Code45212
Primary CityCincinnati
State / ProvinceOH
CountyHamilton
Total Population21,526
Population Density2,270.0 people/sq mi
TimezoneAmerica/New_York

How 45212 Compares

MetricZIP 45212Hamilton County recordsOH records
Population estimate21,526842,501 (sum)11,810,293 (sum)
Population Density2,270.0 /sq mi----
County population rank#17 of 54----
State population rank#189 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 45209Cincinnati1.5 mi10,570
ZIP 45207Cincinnati1.8 mi6,983
ZIP 45229Cincinnati2.0 mi13,529
ZIP 45237Cincinnati2.0 mi20,903
ZIP 45213Cincinnati2.1 mi11,139

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 →