Located in the southern part of the county, it borders the following townships: •
Madison Township - north •
Mifflin Township - northeast corner •
Monroe Township - east •
Worthington Township - southeast corner •
Jefferson Township - south •
Perry Township - southwest corner •
Troy Township - west •
Springfield Township - northwest corner Parts of three municipalities are located in Washington Township: the city of
Mansfield — the
county seat of Richland County — in the north, the village of
Bellville in the south, and the village of
Lexington in the west. ==Name and history==