Perth County, Ontario

Perth County
County of Perth
Perth County Court House, Stratford, Ontario
Motto: 
Cultivating Opportunity
Location of Perth County
Coordinates: 43°30′N 81°05′W / 43.500°N 81.083°W / 43.500; -81.083
Country Canada
Province Ontario
Formed1850
County seatStratford
Municipalities
List
Area
  Land2,175.78 km2 (840.07 sq mi)
  Census division2,218.24 km2 (856.47 sq mi)
 Land area excludes Stratford and St. Marys
Elevation
394 m (1,293 ft)
Population
 (2021)
  Total
40,639
  Density18.7/km2 (48/sq mi)
  Census division
81,565
  Census division density36.8/km2 (95/sq mi)
 Total excludes Stratford and St. Marys
Time zoneUTC−5 (EST)
  Summer (DST)UTC−4 (EDT)
Area code(s)519 and 226
Websitewww.perthcounty.ca

Perth County is a county and census division in the Canadian province of Ontario in Southwestern Ontario, 100 kilometres (62 mi) west of Toronto. Its population centres are Listowel, Mitchell and Milverton. The City of Stratford and the Town of St. Marys are within the Perth census division, but are administered separately from Perth County. The 2021 population of Perth County was 38,066.