Zip Code 45242 — Cincinnati, OH

ZIP Code 45242 is associated with Cincinnati, OH, in Hamilton County. The listed population estimate is 22,623; estimated density is 644.6 people per square mile. Among records with population estimates, it ranks #12 of 54 in Hamilton County and #174 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.243480, -84.356210)

Data MetricLocal Statistic
Postal / Zip Code45242
Primary CityCincinnati
State / ProvinceOH
CountyHamilton
Total Population22,623
Population Density644.6 people/sq mi
TimezoneAmerica/New_York

How 45242 Compares

MetricZIP 45242Hamilton County recordsOH records
Population estimate22,623842,501 (sum)11,810,293 (sum)
Population Density644.6 /sq mi----
County population rank#12 of 54----
State population rank#174 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 45249Cincinnati2.7 mi14,490
ZIP 45236Cincinnati3.2 mi24,513
ZIP 45241Cincinnati3.3 mi23,955
ZIP 45147Miamiville3.7 mi57
ZIP 45243Cincinnati4.2 mi16,103

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 →