Career
He previously served in the Alabama House of Representatives. Allen was first elected to the Alabama House in 1994. In 2005, Allen proposed Alabama House Bill 30 (HB30), which would have banned public school libraries from purchasing books by gay authors or with gay characters.
The bill did not become law.
Allen defeated incumbent Philosophy Poole, a Democrat, in the 2010 elections to the Alabama Senate. In 2011, Allen proposed a bill to ban Sharia law.
He sponsored a 2014 amendment to the Alabama Constitution banning "foreign law". Allen is the father of Pike County Probate Judge Wes Allen.