Earlville is a city located in Delaware County, in the state of Iowa (IA), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 0.6 square miles (1.0 km²) and sits at an elevation of 1010 ft. With a population of approximately 900 residents, Earlville offers a peaceful, rural atmosphere.
The town's population is composed of about 49.67% males and 50.33% females, and it has a population density of 636.36 people per square mile (631.80/km²). Earlville lies at a latitude of 42.48 and a longitude of -91.27, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (8.3%), followed by English (7.8%), German (50.7%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 52041.