Cook County topographic maps
Click on a map to view its topography, its elevation and its terrain.
Chicago
United States > Illinois > Cook County
When Chicago was founded in 1837, most of the early building was around the mouth of the Chicago River, as can be seen on a map of the city's original 58 blocks. The overall grade of the city's central, built-up areas is relatively consistent with the natural flatness of its overall natural geography,…
Average elevation: 182 m
