what congressional district is cambridge, ohio in
Ohio (OH) - 43725. 1  As of the 2010 census, zip code 43725 is located in Congressional District 6, OH. 2  Approximately 33.9% of 43725's population lives in a low income household, or a household with an annual income of less than $25,000.This is a low percentage of low income households for Cambridge, but a high percentage for Guernsey County.