Wellsburg is a city in Grundy County, Iowa, United States.

The city is named for George Wells, an early settler in the region.

[4] According to the United States Census Bureau, the city has a total area of 1.09 square miles (2.82 km2), all land.

There were 363 housing units at an average density of 330.6 per square mile (127.7/km2).

There were 367 housing units at an average density of 336.7 per square mile (130.0/km2).

34.2% of all households were made up of individuals, and 17.7% had someone living alone who was 65 years of age or older.

There were 363 housing units at an average density of 367.8 per square mile (142.0/km2).

37.9% of all households were made up of individuals, and 26.6% had someone living alone who was 65 years of age or older.

The former was established on July 1, 1992, by the merger of the Steamboat Rock and Wellsburg school districts.