Zalma is a village in southern Bollinger County, Missouri. As of the 2000 census, it had a population of 93. Zalma is best known to locals in the county for its gravel roads that run through the main part of town, which were paved in July 2002. Zalma apartments for rent comparison page shows most up to date rent information on Zalma apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.