Many of the remaining Dakota Native Americans, including non-combatants, were confined in a prison camp at Pike Island over the winter of 1862–1863, where more than 300 died of disease.
Monet jäljelle jääneistä dakotoista, myös taisteluun osallistumattomia, vangittiin talvella 1862–1863 Pike Islandin vankileirille, jolla yli 300 kuoli tauteihin.