Harlem Township, Stephenson County, Illinois

Harlem Township is located in Stephenson County, Illinois. As of the 2010 census, its population was 2,275 and it contained 981 housing units.

Geography
Harlem is Township 27 North, Range 7 East of the Fourth Principal Meridian.

According to the 2010 census, the township has a total area of 31.52 sqmi, of which 31.42 sqmi (or 99.68%) is land and 0.1 sqmi (or 0.32%) is water.

Stagecoach inns
Tisdel Inn (Section 21) was built in 1852 by P.A. Tisdel along the Old State Road number 2, now Business U.S. Route 20. Frink, Walker & Company stage line, Chicago to Galena, used this road 1839 to 1854. The stone inn is now a residence.