Free printable Boone County, IL topographic maps, GPS coordinates, photos, & more for popular landmarks in Boone County including Belvidere, Poplar Grove, and Capron.
Boone County, Illinois covers an area of approximately 278 square miles with a geographic center of 42.30935860°(N), -88.83970261°(W).
These are the far north, south, east, and west coordinates of Boone County, Illinois, comprising a rectangle that encapsulates it. Please note that not all coordinates inside this rectangle will fall inside of Boone County, Illinois, as it (most likely) doesn't fill up the entire rectangle.
According to data gathered by the Shuttle Radar Topography Mission. The lowest elevation in Boone County is 164 meters (538 feet). This ranks Boone County 83rd in terms of lowest elevations when compared to a total of 102 counties in Illinois.
Boone County's highest elevation is 258 meters (846 feet) which ranks it 40th in terms of highest elevations when compared to a total of 102 counties in Illinois.
The USGS (U.S. Geological Survey) publishes a set of the most commonly used topographic maps of the U.S. called US Topo that are separated into rectangular quadrants that are printed at 22.75"x29" or larger. Boone County is covered by the following US Topo Map quadrants.