Martinsburg is a city in Iowa in the United States.
A half-mile long row of homes, primarily on the north side of the road, was known as Martinsburg in 1861. There were two general stores, a hotel, and a Presbyterian church in Martinsburg in 1874. Along with a wagonmaker who also owned a vineyard, there were two doctors. Also residing in town were the owners of a nearby grain mill and sawmill.
