Boxholm Municipality is a Municipality in Östergötland County, in southeast Sweden. The municipality covers an area of 527.7 km². Of the total population of 5334, 2748 are male, and 2586 are female, with a population density of 10 inhabitants per km². Of the population, 3,190 live in the town Boxholm. The name "Boxholm" is first to be found in the 16th century, as the name of a manor by Arvid Stenbock. Boxholm thus comes from "Bock's holm" (holm a modern Swedish and Old Norse word for islet). An iron works was constructed in 1754, and a community grew up around it. The major expansion were however made in the 1850-1900. The community were granted municipal rights in 1908, and in 1947 rights as a merchant town (köping).