Mercerville is an unincorporated community in Gallia County in southern Ohio, approximately seven miles (11 km) north of Crown City and 25 miles (40 km) northeast of Huntington, West Virginia, near the easternmost corner of Wayne National Forest and roughly five miles (8.0 km) west of the Ohio River, where Ohio borders West Virginia. Mercerville sits along State Route 218 (SR 218) near its intersection with SR 790. It is home to South Gallia High School, one of only three high schools in the entire county, and nearby Hannan Trace Elementary School.

Mercerville, Ohio
Unincorporated community
Mercerville Show map of Ohio Mercerville Show map of the United States
Coordinates: 38°39′45″N 82°16′18″W
Country	United States
State	Ohio
County	Gallia
Elevation	768 ft (234 m)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
Area code(s)	740 & 220
GNIS feature ID	1076378[1]

Mercerville is often mistaken for Crown City because Mercerville does not have its own US Post Office, much in the same way that nearby Rio Grande, Ohio, mailing addresses all say Bidwell.

References

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