Earlville is a city located in Delaware County Iowa. With a 2020 population of 766, it is the 350th largest city in Iowa and the 11486th largest city in the United States . Earlville is currently declining at a rate of -0.39% annually and its population has decreased by -5.67% since the most recent census, which recorded a population of 812 in 2010. Earlville reached it's highest population of in . Spanning over 1 miles, Earlville has a population density of 1,359 people per square mile.
The average household income in Earlville is $64,295 with a poverty rate of 6.62%. The median rental costs in recent years comes to $589 per month, and the median house value is $97,100. The median age in Earlville is 49.1 years, 46.6 years for males, and 50.2 years for females.