Click here to view a map of Williams County
Click here for the Williams County Census Profile (2024)
Williams County is located in the northwest corner of Ohio and is bordered by the state of Michigan to the north, Fulton and Henry Counties to the east, Defiance County to the south, and the state of Indiana to the west. It was founded in 1820 and is named after David Williams, an officer in the Revolutionary War. The county seat is Bryan. According to the 2020 census, the population of Williams County was 37,102. The county has a total area of 402 square miles. Agriculture is a major industry in Williams County, with the county being home to many dairy farms and other types of farming operations. The county is also home to several small towns and villages, including Bryan, Edgerton, Montpelier, Pioneer, and Stryker.
1000 S State St Pioneer, OH 43554
3151 Co Rd 2425 Stryker, OH 43557
17840 US-20 ALT West Unity, OH 43570
24270 County Rd U Stryker, OH 43557
12953 Williams County G Bryan, OH 43506
121 S Walnut St Bryan, OH 43506
11949 OH-15 Montpelier, OH 43543
407 Railroad St Edgerton, OH 43517
14227 Williams County P Pioneer, OH 43554