Hawarden is a city in Sioux County, Iowa, United States. The population was 2,700 at the time of the 2020 census. It is located on the Big Sioux River.
History
Hawarden was platted in 1882. It was named for Hawarden Castle, the Welsh home of statesman William Gladstone. Hawarden was incorporated as a city on March 18, 1887.
Geography
Hawarden is located along the Big Sioux River.
According to the United States Census Bureau, the city has a total area of , of which is land and is water.
Climate
Hawarden is located very near to the center of the North American continent, far removed from any major bodies of water. This lends the area a humid continental climate, with hot, humid summers, cold snowy winters, and wide temperature extremes. Summers can bring daytime temperatures that climb into the 90s Fahrenheit, and winter lows can be well below zero.