There are 7 zip codes in Highland County, Ohio. The most populated is 45133, located in Hillsboro. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
4513323,399Hillsboro
451238,958Greenfield
451355,581Leesburg
451423,994Lynchburg
45155461Mowrystown
45172264Sinking Spring
45132116Highland

Zip Codes in Highland County, Ohio by Population (2024)