Franklin County was formed in 1883, and is named after Benjamin Franklin. It is located in beautiful Eastern Washington. It consists of 1,242 square miles, or 795,000 acres. As of June 2009, the population of Franklin County is 72,700 -- a 47.3% increase since 2000, making us one of the fastest growing counties in the nation.

The largest city in Franklin county is Pasco (pop. 54,490), which is also where its historical courthouse and seat of the county government is located.
The Courthouse address is 1016 N.4^th Ave, Pasco, WA 99301.