day. Most snow-bearing systems are Alberta clippers, while the more infrequent heavy snows are caused by Panhandle hooks. Government See the full article, List of mayors of Crystal Lake, Illinois Mayor Haig Haleblian City council The city council consists of Ellen Brady, Cathy Ferguson, Brett Hopkins, Cameron Hubbard, Mandy Montford, Ian Philpot. City clerk Nick Kachiroubas is the City Clerk in Crystal Lake. Demographics 2020 census As of the 2020 Census, there were 40,269 people, 14,780 households, and 10,551 families living in the city. There were 15,371 total housing units, and 31.9% were in multi-unit structures. The racial makeup of the city was 79.8% White (76.92% white non-Hispanic), 1.5% Black or African American, 0.4% Native American, 2.8% Asian, <0.01% Pacific Islander, 6.1% from other races, and 9.3% from two or more races. Hispanic or Latino of any race were 14.8% of the population. 35.4% of the households included children under 18, 51.0% were married couples living together, 5.3% had a female householder with no spouse present, and 2.6% had a male householder with no spouse present. In the city, the population was spread out, with 6.1% under the age of 5, 24.0% under the age of 18, 76.0% aged 18 and older, and 13.5% who were 65 years of age or older. The median age was 39.6 years. For every 100 females, there were 97.9 males. The median income for a household in the city was $87,578, and the median income for a family was $105,324. Males had a median income of $58,611 versus $41,026 for females. The median income for the city was $36,405. About 4.9% of families and 6.9% of the population were below the poverty line, including 9.9% of those under age 18 and 6.2% of those age 65 or over. In 1990, the population of Latinos (Hispanics) was at 0.1%. Per the 2000 US Census, the Latino population increased to 7% and per the 2010 US Census, the Latino population increased to 11.7%. As of 2020, the population of Latinos is 14.8%. 2010 Census As of the 2010 Census, there were 40,743 people, 14,421 households, and 10,551 families living in the city. The population density was 2,220/sq mi (857/km). There were 15,176 total housing units and 22% of all housing units were in multi-unit structures. The racial makeup of the city was 90.2% White, 1.0% Black or African American, 0.4% Native American, 2.5% Asian, <0.01% Pacific