Portland USGS Prophetstown Quad, Illinois, Topographic Map

Portland is a Populated Place in the state of Illinois (county of Whiteside), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 41.66253 and W -89.98012. Portland is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Prophetstown quad. The nearest major town is Prophetstown, IL.