Once the largest community in Spencer County, the city has recently been surpassed by the town of Santa Claus.

[6] Three locations in Rockport are listed on the National Register of Historic Places: the Spencer County Courthouse, the Mathias Sharp House, and the Lincoln Pioneer Village.

The facility has an 80” wide galvanizing line which is the widest in the United States.

The hot-dip galvanizing and galvannealing line incorporates revolutionary proprietary technologies, including induction transition heating, which provides rapid, accurate annealing temperature control.

[10] In 2013, while under the previous ownership of AK Steel, Rockport Works was reported by the EPA as the source for 70% of the pollution in the Ohio River, the nation's most polluted waterway.

It is home to the Rockport Generating Station, a coal power plant which is scheduled to close by 2028 due to the pollution it causes.

33.8% of all households were made up of individuals, and 14.9% had someone living alone who was 65 years of age or older.

32.5% of all households were made up of individuals, and 18.7% had someone living alone who was 65 years of age or older.

[19] Lincoln Pioneer Village, listed on the National Register of Historic Places, is located in Rockport City Park.

Historically accurate replicas of a number of Spencer County cabins and businesses from Abraham Lincoln's time are the main attraction of the Village, giving visitors the opportunity to see what it was like to live in Indiana during Lincoln's formative years.

The Village was so well known throughout the United States in its early years that it was chosen as the setting for portions of the 1955 Burt Lancaster film The Kentuckian.