St. Tammany Parish, Louisiana is 35% larger than Tangipahoa Parish, Louisiana.
Area: 2,885 km2 calculated
St. Tammany Parish is a parish located in the U.S. state of Louisiana. As of the 2010 census. The parish seat is Covington. St. Tammany Parish is one of the fastest-growing parishes in the state, along with Livingston and Ascension. Most new residents are thought to have come from St. Wikipedia
Area: 2,131 km2 calculated
Tangipahoa Parish is a parish located in the U.S. state of Louisiana, one of the Florida Parishes. As of the 2010 census, the population was 121,097. The parish seat is Amite City, but the largest city is Hammond. Wikipedia