Madison County, Ohio Zip Codes

Zip Code	City	Population
43140	London	23,812
43064	Plain City	17,188
43162	West Jefferson	6,837
43143	Mount Sterling	5,931
43153	South Solon	1,113
43029	Irwin	532
43151	Sedalia	257

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