Andover is a village in Henry County, Illinois, United States.

Together they built Jenny Lind Chapel, which became the "mother church" of the Swedish Lutheran community.

The church was built with funding provided mainly by the Swedish singer, Jenny Lind, while she was at that time on a concert tour in the eastern United States.

The cemetery adjacent to the Chapel is the resting place of Jonas Swensson, the second president of the Augustana Synod.

[2] After remodeling in 1948, Jenny Lind Chapel was dedicated as a shrine of the Augustana Evangelical Lutheran Church.

[4] According to the 2021 census gazetteer files, Andover has a total area of 0.99 square miles (2.56 km2), all land.