Earlville is a city in LaSalle County, Illinois, United States. The population was 1,822 as of the 2008 census estimate. It is part of the Ottawa–Streator Micropolitan Statistical Area.
Earlville is located at 41°35′19″N 88°55′20″W / 41.588552°N 88.922356°W / 41.588552; -88.922356.
According to the United States Census Bureau, the city has a total area of 1.2 square miles (3.0 km²), all of it land.