Luxemburg is a city in Dubuque County, Iowa, United States.

[2] The White Pine Hollow State Forest is located four miles to the northwest of Luxemburg.

[3] According to the United States Census Bureau, the city has a total area of 0.46 square miles (1.19 km2), all land.

[4] As of the census of 2020,[6] there were 245 people, 101 households, and 82 families residing in the city.

There were 104 housing units at an average density of 220.5 per square mile (85.1/km2).

There were 103 housing units at an average density of 223.9 per square mile (86.4/km2).

25.0% of all households were made up of individuals, and 13% had someone living alone who was 65 years of age or older.

There were 94 housing units at an average density of 206.4 per square mile (79.7/km2).

20.7% of all households were made up of individuals, and 12.0% had someone living alone who was 65 years of age or older.