- Franklin County is a county located in the U.S. state of Washington. As of the 2020 census, its population was 96,749. The county seat and largest city is Pasco. The county was formed out of Whitman County on November 28, 1883, and is named for Benjamin Franklin.
And he shall not look to the altars, the work of his hands, neither shall respect that which his fingers have made, either the groves, or the images.
Isaiah 17:8 KJV