Facts About ChilliwackThe archaeological record shows evidence of Stó:lō people in the Fraser Valley, or S’ólh Téméxw, 10,000 years ago.The Township of Chilliwack was incorporated in 1873, the third municipality in British Columbia.Chilliwack is located in the Upper Fraser Valley, 100 kilometres east of Vancouver on the Trans-Canada Highway. The city is bounded on the north by the Fraser River, and on the south by the Canada-United States border.The highest temperature recorded in Chilliwack was 39.4 °C on Aug 10, 1898. The lowest recorded temperature was −26.7 °C on Jan 31, 1929.The name “Centreville” was replaced, In 1887 by the more popular “Chilliwack.”The Estimated Population of Chilliwack is 83,790.Chilliwack is 10 m (30 ft) above sea level.Chilliwack is part of the Lower Mainland-Southwest economic region. Chilliwack’s service and retail sectors account for approximately 50% of GDP. Other growing industries include manufacturing accounting for 13%, construction at 8% and agriculture and forestry at 5% of Chilliwack’s GDP.The Chilliwack Batholith is part of the Pemberton Volcanic Belt and is the largest mass of exposed intrusive rock in the Cascade Volcanic Arc. The age of the Chilliwack batholith ranges from 26 to 29 million years old.In 2013, Maclean’s reported that, with an average annual temperature of 10.5 °C, Chilliwack is the warmest city in Canada.Facts About Chilliwack