Boone County, Illinois

Russellville is an unincorporated community in Boone County, Illinois, United States. Russellville is southeast of Poplar Grove.

Poplar Grove Airport (FAA LID: C77) is a small general aviation airport located in Poplar Grove, Illinois, United States. The airport was founded in 1972 as Belvidere Airport and renamed in 1994. It is located 3 miles south of Poplar Grove, and 3 miles north of Belvidere. The airport is privately owned and open to the public. It is the home of the Poplar Grove Vintage Wings and Wheels Museum and BelAir Estates, a residential fly-in neighborhood. The airport was named 2015 Illinois Private Airport of the Year by the Illinois Department of Transportation's Division of Aeronautics.

The Poplar Grove Vintage Wings and Wheels Museum is an interactive museum of technology and history at Poplar Grove Airport located south of Poplar Grove, Illinois. The museum contains a number of historic hangar buildings filled with artifacts and exhibits which document aircraft, air crews and the history of powered flight.

Poplar Grove (founded in 1859) is a village located in Poplar Grove and Belvidere Townships, Boone County, Illinois, United States. It is part of the Rockford Metropolitan Statistical Area, and of the gated community Candlewick Lake. The population was 5,049 at the 2020 census.

Poplar Grove Township is one of nine townships in Boone County, Illinois, USA. As of the 2020 census, its population was 5,131 and it contained 1,834 housing units. Poplar Grove Township was formed from parts of Caledonia Township and Boone Township after 1921.

Timberlane (locally known as Timberline) is a village in Boone County, Illinois, United States. It is part of the Rockford, Illinois Metropolitan Statistical Area. The population was 906 at the 2020 census.

Candlewick Lake is an unincorporated, gated community in Boone County, Illinois, United States. Candlewick Lake is located between Poplar Grove and Timberlane; the community includes a lake with the same name. It is part of the Rockford, Illinois Metropolitan Statistical Area. The gated community also features a community pool, beach, recreation center, emergency rescue squad center, parks & dog parks, walking trails, golf course, tennis courts, and Bar & Grill (In Savannah Oaks). Savannah Oaks Bar & Grill and golf course are located within the gates of Candlewick Lake in the northern region. Water source provided by Aqua Illinois. Privatized water corporation. Residents currently fighting to remove.

Bonus Township is one of nine townships in Boone County, Illinois, United States. As of the 2020 census, its population was 4,375 and it contained 1,485 housing units.

Belvidere North High School is the second high school in Belvidere, Illinois and part of the Belvidere Community Unit School District 100. It is right next to Seth Whitman Elementary School and Belvidere Central Middle School.

Piscasaw Creek is a 31.6-mile-long (50.9 km) tributary of the Kishwaukee River in the U.S. states of Wisconsin and Illinois. Rising in Walworth County, Wisconsin, it passes through McHenry County, Illinois before discharging into the Kishwaukee in Boone County, Illinois. Piscasaw Creek's mouth is located near Belvidere, Illinois.

Boone Township is one of nine townships in Boone County, Illinois, USA. As of the 2020 census, its population was 1,993 and it contained 726 housing units.

Pettit Memorial Chapel or simply, Pettit Chapel, is one of the few chapels designed by architect Frank Lloyd Wright. The Pettit Chapel is located in the Belvidere Cemetery in Belvidere, Illinois, United States, which is in Boone County. It was listed on the U.S. National Register of Historic Places on December 1, 1978. The chapel is an early example of Frank Lloyd Wright's famed Prairie style. It is one of only two structures meant for a cemetery setting that Wright ever created.