Harlem Township, Stephenson County, Illinois

Stephenson County is a county located in the U.S. state of Illinois. According to the 2020 United States Census, it had a population of 44,630. Its county seat is Freeport. Stephenson County is included in the Freeport, IL Micropolitan Statistical Area, which is also included in the Rockford-Freeport-Rochelle, IL Combined Statistical Area.

WFPS is an FM radio station in Freeport, Illinois, operating on an assigned frequency of 92.1 megahertz as authorized by the Federal Communications Commission. It shares studios with sister WFRL at 834 North Tower Road, northeast of Freeport. Their transmitter site is west of town, on Highway 20.

Scioto Mills is an unincorporated community in Stephenson County, Illinois. Scioto Mills is 2 miles (3.2 km) southwest of Cedarville.

Damascus is an unincorporated community in Harlem and Waddams townships, Stephenson County, Illinois. Damascus is located at the junction of County Routes 5 and 26, 3.75 miles (6.04 km) west of Cedarville.

The Dennis Otte Round Barn is a round barn in the U.S. state of Illinois near the unincorporated Stephenson County community of Eleroy. The barn was built in 1930 by Herman Altenbern and has a diameter of 54 feet (16.5 m). The barn is representative of the last round barn design variations that evolved. The Otte Round Barn was added to the U.S. National Register of Historic Places in 1984.

The Gerald Harbach Round Barn is a round barn near Eleroy, an unincorporated community in Stephenson County, Illinois, United States. The builder and designer of the building are unknown but it is very similar to round barns designed by the team of Jeremiah Shaffer and the Hass Brothers. It was probably built around the same time as the James Bruce Round Barn, erected in 1914, in Freeport. The Harbach Round Barn was added to the U.S. National Register of Historic Places in 1984.

Don Opel Arboretum is an arboretum located on the 140-acre (0.57 km2) campus of Highland Community College, 2998 West Pearl City Road, Freeport, Illinois.

Highland Community College is a public community college in Freeport, Illinois. The college is recognized by the Illinois Community College Board and accredited by the Higher Learning Commission.

Willow Lake is a census-designated place (CDP) surrounding a lake of the same name in Stephenson County, Illinois, United States. It is in the center of the county, on the north side of U.S. Route 20 and 3 miles (5 km) north of the center of Freeport, the county seat. Willow Lake was first listed as a CDP prior to the 2020 census.

Eleroy is an unincorporated community in Stephenson County, Illinois. The population was 85 at the 2000 census.

Cedarville is a village in Stephenson County, Illinois, United States. The population was 741 at the 2010 census, up from 719 in 2000. It is the birthplace of social activist Jane Addams, the 1931 Nobel Peace Prize winner.

Freeport Township is located in Stephenson County, Illinois. As of the 2010 census, its population was 25,638 and it contained 12,396 housing units. Freeport Township is coterminous with City of Freeport. It is one of seventeen coterminous townships in Illinois.