East Dubuque is a city in Jo Daviess County, Illinois, United States. The population was 1,505 at the 2020 census, down from 1,704 in 2010. East Dubuque is located alongside the Mississippi River. Across the river is the city of Dubuque, Iowa. The city limits extend along the river to the Illinois – Wisconsin border. History East Dubuque was originally called Dunleith, and under the latter name was platted in 1853. The present name comes from the city's location east of Dubuque. A post office was established at Dunleith in 1854, and the post office was renamed East Dubuque in 1879. Transportation The main roads in East Dubuque are Sinsinawa Avenue and U.S. Route 20 (Wall Street). The Julien Dubuque Bridge serves as the connection between East Dubuque and Dubuque. Illinois Route 35 serves as the primary connection between East Dubuque and Wisconsin. The East Dubuque station previously provided another transportation choice for residents of East Dubuque. Geography East Dubuque is located at (42.491103, -90.641214). According to the 2010 census, East Dubuque has a total area of , of which (or 97.2%) is land and (or 2.8%) is water. Demographics 2020 census As of the census of 2020, the population was 1,505. The population density was . There were 771 housing units at an average density of . The racial makeup of the city was 92.5% White, 1.3% Black or African American, 0.3% Asian, 0.3% Pacific Islander, 0.2% Native American, 1.3% from other races, and 4.1% from two or more races. Ethnically, the population was 2.3% Hispanic or Latino of any race. 2000 census As of the census of 2000, there were 1,995 people, 864 households, and 527 families residing in the city. The population density was . There were 932 housing units at an average density of . The racial makeup of the city was 99.10% White, 0.15% African American, 0.05% Native American, 0.20% Asian, 0.20% from other races, and 0.30% from two or more races. Hispanic or Latino of any race were 1.05% of the population. There were 864 households, out of which 27.9% had children under the age of 18 living with them, 48.1% were married couples living together, 8.1% had a female householder with no husband present, and 38.9% were non-families. 34.0% of all households were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older. The average