Mount Zion is a village in Macon County, Illinois, United States. The population was 6,019 at the 2020 census. Geography Mount Zion is located in southeastern Macon County at (39.777967, -88.878614). It is bordered to the northwest by the city of Decatur, the county seat, and to the north by the village of Long Creek. Illinois Route 121 passes through the village, leading northwest to the center of Decatur and southeast to Sullivan. According to the U.S. Census Bureau, the village of Mount Zion has a total area of , of which , or 0.07%, are water. The village is drained to the north by Finley Creek and Big Creek, part of the Sangamon River watershed. Demographics At the 2010 census there were 5,833 people, 1,819 households, and 1,409 families in the village. The population density was . There were 1,884 housing units at an average density of . The racial makeup of the village was 98.08% White, 0.25% African American, 0.23% Native American, 0.76% Asian, and 0.68% from two or more races. Hispanic or Latino people of any race were 0.25%. Of the 1,819 households 39.7% had children under the age of 18 living with them, 67.2% were married couples living together, 8.0% had a female householder with no husband present, and 22.5% were non-families. 19.8% of households were one person and 5.8% were one person aged 65 or older. The average household size was 2.63 and the average family size was 3.03. The age distribution was 28.3% under the age of 18, 7.2% from 18 to 24, 28.0% from 25 to 44, 26.2% from 45 to 64, and 10.3% 65 or older. The median age was 38 years. For every 100 females there were 100.1 males. For every 100 females age 18 and over, there were 95.7 males. The median household income was in 2012 was $60,732. The per capita income for the village was $30,243. About 4.9% of families and 5.0% of the population were below the poverty line, including 6.4% of those under the age of 18 and 5.1% of those 65 and older. For population 25 years and over in Mount Zion: High school or higher: 96.4% Bachelor's degree or higher: 36.0% Graduate or professional degree: 13.0% Unemployed: 2.7% Mean travel time to work (commute): 19.9 minutes Education Mount Zion High School is part of the Mount Zion Unified School District 3, and was founded