Barlow is an unincorporated community in western Barlow Township, Washington County, Ohio, United States. Although it is unincorporated, it has a ZIP code 45712.Zip Code Lookup It lies at the intersection of State Routes 339 and 550 near the South Fork of Wolf Creek, which meets the Muskingum River at Waterford to the north.DeLorme, Ohio Atlas & Gazetteer, 7th ed., 2004, pp. 71, 81,

History Barlow was platted in 1840.

Education Barlow has a public library, a branch of the Washington County Public Library.

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