Genoa, Illinois

City of Genoa, Illinois
Location of Genoa in DeKalb County, Illinois.
Coordinates: 42°5′44″N 88°41′40″W / 42.09556°N 88.69444°W / 42.09556; -88.69444
CountryUnited States
StateIllinois
CountyDeKalb
Incorporated1876
Government
  MayorJonathon Brust
Area
  Total
2.64 sq mi (6.85 km2)
  Land2.59 sq mi (6.71 km2)
  Water0.05 sq mi (0.14 km2)
Population
 (2020)
  Total
5,298
  Density2,045.56/sq mi (789.67/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
ZIP code
60135
Area code(s)815 and 779
FIPS code17-28898
Websitewww.genoa-il.com

Genoa is a city in the north-east corner of DeKalb County, Illinois, United States. It is located on the historic Galena-Chicago stagecoach route. At the 2020 census the city had a population of 5,298, up from 5,193 in 2010.