 nelson is a village in lee county, illinois, united states. the population was 170 at the 2010 census, up from 163 at the 2000 census. ==geography== right|location of nelson, illinois nelson is located at  (41.796494, -89.604646). according to the 2010 census, the village has a total area of {{convert|0.25|
Villages_in_Illinois Villages_in_Lee_County,_Illinois