Sugar Grove is a village in Kane County, Illinois, United States and a far west suburb of Chicago. The population at the 2010 census was 8,997, and in 2018 the estimated population was 9,803.
Sugar Grove is located in southern Kane County at 41°46′N 88°27′W / 41.767°N 88.450°W / 41.767; -88.450 (41.772529, -88.442374). It is bordered to the east by the city of Aurora and to the west by the village of Big Rock. Sugar Grove nearly encircles the unincorporated community of Prestbury, and the city of Yorkville is to the south. Downtown Chicago is 46 miles (74 km) to the east.
According to the 2010 census, Sugar Grove has a total area of 10.485 square miles (27.16 km), of which 10.47 square miles (27.12 km) (or 99.86%) are land and 0.015 square miles (0.04 km) (or 0.14%) are water.
Sugar Grove is located within a band of heavy growth on the western edge of the Chicago metropolitan area, stretching from approximately the Huntley area in McHenry County to the New Lenox area in Will County. Sugar Grove adopted its first comprehensive land use plan on January 12, 1981.
As of the census of 2000, there were 3,909 people, 1,272 households, and 1,074 families residing in the village. The population density was 606.1 people per square mile (234.0/km²). There were 1,297 housing units at an average density of 201.1 per square mile (77.6/km²). The racial makeup of the village was 95.86% White, 1.38% African American, 0.03% Native American, 0.51% Asian, 1.28% from other races, and 0.95% from two or more races. Hispanic or Latino of any race were 4.43% of the population.
There were 1,272 households out of which 47.2% had children under the age of 18 living with them, 76.7% were married couples living together, 5.1% had a female householder with no husband present, and 15.5% were non-families. 12.0% of all households were made up of individuals and 2.9% had someone living alone who was 65 years of age or older. The average household size was 3.07 and the average family size was 3.37.
In the village, the population was spread out with 32.4% under the age of 18, 5.9% from 18 to 24, 33.9% from 25 to 44, 23.1% from 45 to 64, and 4.7% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 102.5 males. For every 100 females age 18 and over, there were 99.3 males.
The median income for a household in the village was $75,856, and the median income for a family was $83,332. Males had a median income of $52,425 versus $35,028 for females. The per capita income for the village was $30,299. About 1.1% of families and 1.8% of the population were below the poverty line, including 1.5% of those under age 18 and 3.4% of those age 65 or over.