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Gypsum, Ohio

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Title: Gypsum, Ohio  
Author: World Heritage Encyclopedia
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Subject: Ottawa County, Ohio, Gypsum (disambiguation), Isle Saint George, Ohio, Lacarne, Ohio, Martin, Ohio
Publisher: World Heritage Encyclopedia

Gypsum, Ohio

Gypsum, Ohio
Unincorporated community
Location of Gypsum, Ohio
Location of Gypsum, Ohio
Country United States
State Ohio
County Ottawa
Township Portage
Time zone Eastern (EST) (UTC-5)
 • Summer (DST) EDT (UTC-4)
ZIP codes 43433

Gypsum is an unincorporated community in eastern Portage Township, Ottawa County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 43433.[1]

Children from Gypsum families generally attend the Port Clinton City School District. The neighborhood is considered friendly, home-spun, and mainly conservative.

The community is named for the gypsum rock, the mining of which was originally the foundation of the community's business, commerce, and population growth. Because these mines are located throughout the community and township, the area is subject to excessive erosion because of sinkholes. Gypsum mining in the area by U.S. Gypsum Corp. stopped in the 1970s.[2]


  1. ^ Zip Code Lookup
  2. ^ ODOT to fill old mine with grout
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