 belmont county is a county located in the u.s. state of ohio. according to the 2010 census, it has a population of 70,400, which is an increase of 0.2% from 70,226 in 2000. its county seat is st. clairsville. the county takes its name from the french for "beautiful mountain".  belmont county is part of the wheeling, wv-oh metropolitan statistical area. ==history== in 1976, belmont county became the first american county to elect a female sheriff, katherine crumbly. in 1987, michael a massa, a county resident, created and dedicated the county's first official seal and flag to the people of belmont county (photo of county seal featured above the county map- see vignette at above right). the citizens of the county held an informal election to select the winning seal and flag, and the event was featured nationally on the paul harvey show. ==geography== according to the 2010 census, the county has a total area of , of which  (or 98.31%) is land and  (or 1.69%) is water. ===adjacent counties=== *harrison county (north) *jefferson county (n
1801_establishments_in_the_United_States Belmont_County,_Ohio Counties_of_Appalachia Ohio_counties Ohio_counties_on_the_Ohio_River Populated_places_established_in_1801 Wheeling,_West_Virginia_metropolitan_area