A brief outline of Alamosa County and San Luis Valley demographics is listed below.
Olive Branch, Ohio. Olive Branch is an unincorporated community in Clermont County, in the U.S. state of Ohio. History. Olive Branch was not officially platted. A post office called Olive Branch was established in 1845, and remained in operation until 1922.
Traditionally, the olive branch has been used as a symbol of peace. Its origins as a symbol of peace come from ancient Greek culture, when Athena planted an olive tree to win possession of Athens over Poseidon.