LaPaz[5] is a town in North Township, Marshall County, Indiana, United States.

At the time of its founding, it was served by the Chicago branch of the Baltimore and Ohio Railroad, now CSX.

Plymouth, the Marshall county seat, is 8 miles (13 km) to the south.

According to the U.S. Census Bureau, La Paz has a total area of 0.39 square miles (1.01 km2), all land.

[1] The town sits on a low rise separating land draining west toward Pine Creek and land draining east toward the Yellow River; both waterways are west-flowing tributaries of the Kankakee River and part of the Illinois River watershed.

There were 251 housing units at an average density of 660.5 per square mile (255.0/km2).

28.2% of all households were made up of individuals, and 12.9% had someone living alone who was 65 years of age or older.

30.6% of all households were made up of individuals, and 11.5% had someone living alone who was 65 years of age or older.