Richmond Hill, Ontario

Richmond Hill
City of Richmond Hill
Downtown Richmond Hill
Mottoes: 
Official: En la rose, je fleuris (French for "Like the rose, I flourish")
Unofficial: A little north, a little nicer
Location of Richmond Hill within York Region
Richmond Hill
Richmond Hill
Coordinates: 43°52′17″N 79°26′14″W / 43.87139°N 79.43722°W / 43.87139; -79.43722
CountryCanada
ProvinceOntario
Regional municipalityYork Region
Incorporated 
  VillageJanuary 1, 1873
  TownJanuary 1, 1957
  CityMarch 25, 2019
Government
  MayorDavid West
  Regional CouncillorsGodwin Chan
Joe DiPaola
  Governing BodyRichmond Hill City Council
  MPsVincent Ho (C)
Costas Menegakis (C)
  MPPsMichael Parsa (PC)
Daisy Wai (PC)
Area
  Total
100.79 km2 (38.92 sq mi)
Elevation
233 m (764 ft)
Population
 (2021)
  Total
202,022 (27th)
  Density2,004.4/km2 (5,191/sq mi)
DemonymRichmond Hillian
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (Eastern (EDT))
Forward sortation area
Area codes905, 289, 365, and 742
Websitewww.richmondhill.ca
Twinned with Shijiazhuang, China and Netanya, Israel, Sister Cities with, Lakeland, Florida

Richmond Hill (2021 population: 202,022) is a city in south-central York Region, Ontario, Canada. Part of the Greater Toronto Area, it is the York Region's third most populous municipality and the 27th most populous municipality in Canada. Richmond Hill is situated between the cities of Markham and Vaughan, north of Thornhill, and south of Aurora.

Richmond Hill has seen significant population growth since the 1990s. It became a city in 2019 after being a town since 1957. The city is home to the David Dunlap Observatory telescope, the largest telescope in Canada.