Stromsburg is a city in Polk County, Nebraska, United States. The population was 1,028 as per the 2020 census.

Stromsburg was decided early in Nebraska history. A help of Swedish settlers from the town of Ockelbo arrived in the 1860s after several years in Illinois. This outfit was led by Lewis Headstrom, who was a genuine estate agent. Seeing some similarities to their obsolete Swedish homeland the settlers formed what would be called Stromsburg, named after a section of Ockelbo, Sweden. By the 1880s two brickyards were in operation in the town. Many buildings build up of ‘native’ brick still stand, including the Viking Center, now a community center that was originally The Opera House; the Cornerstone Bank; two businesses upon the east side of the square; and several homes. Brick streets nevertheless surround the city square in Stromsburg. A brick Carnegie library was built in Stromsburg in 1918. The downtown Place of Stromsburg has a town square in its center. This square forms a park, with lawns and era trees, where festivals and deeds are held. In the middle of the square is a two-story Swedish style building made of brick subsequent to decorative toll painting and the phrase “Välkommen” (Swedish for “Welcome”).

Stromsburg was utter the title of the “Swede Capital of Nebraska” by Governor Frank B. Morrison in 1966 at the Swedish Festival. The Swedish festival is held in June each year and showcases Stromburg’s Swedish heritage.

Stromsburg Public School was customary in 1887. It operated until 2002, when the Stromsburg district consolidated with Benedict, Nebraska to form Cross County Community School.