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.

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.

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.

East Dubuque is located at 42°29′28″N 90°38′28″W / 42.49111°N 90.64111°W / 42.49111; -90.64111 (42.491103, -90.641214).

According to the 2010 census, East Dubuque has a total area of 2.891 square miles (7.49 km), of which 2.81 square miles (7.28 km) (or 97.2%) is land and 0.081 square miles (0.21 km) (or 2.8%) is water.

Like the rest of Jo Daviess County, the city is topographically a part of the Driftless Area.

Historical population

Census	Pop.	Note	%±
1880	1,037		—
1890	1,069		3.1%
1900	1,146		7.2%
1910	1,253		9.3%
1920	1,163		−7.2%
1930	1,395		19.9%
1940	1,475		5.7%
1950	1,697		15.1%
1960	2,082		22.7%
1970	2,408		15.7%
1980	2,194		−8.9%
1990	1,914		−12.8%
2000	1,995		4.2%
2010	1,704		−14.6%
2020	1,505		−11.7%
U.S. Decennial Census

As of the census of 2020, the population was 1,505. The population density was 548.9 inhabitants per square mile (211.9/km). There were 771 housing units at an average density of 281.2 per square mile (108.6/km). 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.

As of the census of 2000, there were 1,995 people, 864 households, and 527 families residing in the city. The population density was 967.4 inhabitants per square mile (373.5/km). There were 932 housing units at an average density of 451.9 per square mile (174.5/km). The racial makeup of the city was 99.1% White, 0.15% African American, 0.05% Native American, 0.2% Asian, 0.2% from other races, and 0.3% from two or more races. Hispanic or Latino people 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% 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 household size was 2.31 and the average family size was 2.97.

In the city, the population was spread out, with 23.3% under the age of 18, 8.8% from 18 to 24, 28.4% from 25 to 44, 23.5% from 45 to 64, and 16% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 105.9 males. For every 100 females age 18 and over, there were 99.2 males.

The median income for a household in the city was $35,099, and the median income for a family was $45,924. Males had a median income of $31,010 versus $19,459 for females. The per capita income for the city was $20,984. About 2.1% of families and 4.3% of the population were below the poverty line, including 3.3% of those under age 18 and 6.9% of those age 65 or over.

• Arthur Joseph O'Neill, Roman Catholic bishop

• East Dubuque School
• Julien Dubuque Bridge

• Official web Site
• East Dubuque Library
• East Dubuque School District