Forest Lake is a city in Washington County, Minnesota, United States. It is 27 miles northeast of Saint Paul. The population was 18,375 at the 2010 census. The 2018 population is 20,220. It is on one of Minnesota’s 100 largest lakes. The lake serves as the source of the Sunrise River.
Forest Lake is squarely bound between the north–south lines formed by Lyons Street NE and Keystone Avenue North, and the east–west lines formed by 240th Street North and 180th Street North. Interstate 35 and U.S. Highways 8 and 61 are three of the main routes in Forest Lake.
Other main routes include County Road 2–Broadway Avenue.
According to the United States Census Bureau, the city has a total area of 35.54 square miles (92.05 km); 30.56 square miles (79.15 km) is land and 4.98 square miles (12.90 km) is water.
Median household income for 2017 was $76,904. Average household income was $93,296. Per capita income was $35,334.
As of the census of 2010, there were 18,375 people, 7,014 households, and 5,044 families residing in the city. The population density was 601.3 inhabitants per square mile (232.2/km). There were 7,508 housing units at an average density of 245.7 per square mile (94.9/km). The racial makeup of the city was 94.7% White, 1.1% African American, 0.4% Native American, 1.5% Asian, 0.1% Pacific Islander, 0.6% from other races, and 1.7% from two or more races. Hispanic or Latino of any race were 2.3% of the population.
There were 7,014 households of which 36.8% had children under the age of 18 living with them, 56.2% were married couples living together, 10.7% had a female householder with no husband present, 5.1% had a male householder with no wife present, and 28.1% were non-families. 21.9% of all households were made up of individuals and 7.6% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.04.
The median age in the city was 37.4 years. 26.3% of residents were under the age of 18; 7.6% were between the ages of 18 and 24; 27.1% were from 25 to 44; 27.7% were from 45 to 64; and 11.3% were 65 years of age or older. The gender makeup of the city was 49.7% male and 50.3% female.