Zion, Illinois

Zion, Illinois
City of Zion New Signs in 2025
Motto: 
"Historic past, dynamic future"
Location of Zion in Lake County, Illinois.
Coordinates: 42°28′12″N 87°52′07″W / 42.47000°N 87.86861°W / 42.47000; -87.86861
CountryUnited States
StateIllinois
CountyLake
FoundedJuly 1901
Founded byJohn Alexander Dowie
Named afterMount Zion, Israel
Government
 • MayorBilly McKinney
Area
 • Total
9.93 sq mi (25.72 km2)
 • Land9.93 sq mi (25.72 km2)
 • Water0 sq mi (0.00 km2)
Elevation
692 ft (211 m)
Population
 (2020)
 • Total
24,655
 • Density2,482.7/sq mi (958.58/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
60099
Area code(s)847, 224
FIPS code17-84220
GNIS feature ID2397402
Websitewww.cityofzion.com

Zion is a city in Lake County, Illinois, United States. Per the 2020 United States census, the population was 24,655.