Sandwich, Illinois

Sandwich, Illinois
Nickname: 
The Fair City
Location of Sandwich in DeKalb and Kendall Counties, Illinois.
Coordinates: 41°38′39″N 88°37′44″W / 41.64417°N 88.62889°W / 41.64417; -88.62889
CountryUnited States
StateIllinois
CountiesDeKalb, Kendall
TownshipsSandwich, Somonauk, Little Rock
Incorporated (city)February 21, 1859 (1859-02-21)
Founded byAlmon Gage
Area
 • Total
4.75 sq mi (12.31 km2)
 • Land4.74 sq mi (12.27 km2)
 • Water0.019 sq mi (0.05 km2)
Elevation
669 ft (204 m)
Population
 (2020)
 • Total
7,221
 • Density1,520/sq mi (587/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
60548
Area codes815, 779
FIPS code17-67548
GNIS feature ID2396534
Websitewww.sandwich.il.us

Sandwich is a city in DeKalb and Kendall counties in the U.S. state of Illinois. Its population was 7,421 at the 2010 census and 7,221 at the 2020 census.