|Area Land||38.33 km2 (14.80 sq mi)|
|Density||2,086.3/km2 (5,403/sq mi)|
|Elevation||239 m (784 ft)|
|Postal code||L3X, L3Y|
|Area code(s)||905, 289|
Newmarket is a town in York Region in the Canadian province of Ontario located north of Toronto. It is part of the Greater Toronto Area and Golden Horseshoe of Southern Ontario. In the Canada 2011 Census, the municipal population of Newmarket was 79,978. It is the regional seat of York Region. Many Newmarket residents commute to Toronto and its surrounding communities. Some of Newmarket’s most noticeable landmarks are the Upper Canada Mall, Southlake Regional Health Centre, the Main Street Heritage Conservation District, the Fairy Lake Conservation Area, as well as many other parks and recreation areas.
The main river in Newmarket is the East Holland River, and all other streams in the town are tributaries thereto. These include; Bogart Creek, a brook that weaves its way into the Town from the Oak Ridges Moraine by way of Bogarttown, emptying into the Holland River in north-central Newmarket; Western creek, another brook rising just west of the Town, and reaching the Holland River in the Town’s north end; Tannery Creek, a stream that joins the Holland River in south Newmarket after flowing through Aurora; and a number of other small watercourses.