There are 8 zip codes in Sandusky County, Ohio. The most populated is 43420, located in Fremont. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4342029,304Fremont
434109,838Clyde
434314,871Gibsonburg
434692,857Woodville
434642,041Vickery
434351,084Helena
43442841Lindsey
43407521Burgoon

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