Free printable Johnson County, IL topographic maps, GPS coordinates, photos, & more for popular landmarks in Johnson County including Vienna, Goreville, and Cypress.
Johnson County, Illinois covers an area of approximately 346 square miles with a geographic center of 37.46585328°(N), -88.89936774°(W).
These are the far north, south, east, and west coordinates of Johnson County, Illinois, comprising a rectangle that encapsulates it. Please note that not all coordinates inside this rectangle will fall inside of Johnson 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 Johnson County is 23 meters (75 feet). This ranks Johnson County 3rd in terms of lowest elevations when compared to a total of 102 counties in Illinois.
Johnson County's highest elevation is 327 meters (1,073 feet) which ranks it 7th 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. Johnson County is covered by the following US Topo Map quadrants.
|Bloomfield||PDF Order Print|
|Creal Springs||PDF Order Print|
|Cypress||PDF Order Print|
|Glendale||PDF Order Print|
Browse the listing of the top geological and geographic features in Johnson County.