Highland County, Ohio Zip Codes

Zip Code	City	Population
45133	Hillsboro	23,399
45123	Greenfield	8,958
45135	Leesburg	5,581
45142	Lynchburg	3,994
45155	Mowrystown	461
45172	Sinking Spring	264
45132	Highland	116

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.