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Zip Code 45612 — Bainbridge, OH

ZIP Code 45612 is associated with Bainbridge, OH, in Ross County. The listed population estimate is 4,933; estimated density is 17.1 people per square mile. Among records with population estimates, it ranks #3 of 8 in Ross County and #530 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.215690, -83.271710)

Data MetricLocal Statistic
Postal / Zip Code45612
Primary CityBainbridge
State / ProvinceOH
CountyRoss
Total Population4,933
Population Density17.1 people/sq mi
TimezoneAmerica/New_York

How 45612 Compares

MetricZIP 45612Ross County recordsOH records
Population estimate4,93375,423 (sum)11,810,293 (sum)
Population Density17.1 /sq mi----
County population rank#3 of 8----
State population rank#530 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 45624Cynthiana5.1 miN/A
ZIP 45681South Salem6.3 mi1,451
ZIP 45617Bourneville7.6 miN/A
ZIP 45646Latham9.9 mi129
ZIP 45123Greenfield11.1 mi8,740

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 →