Mertens is a town in Hill County, Texas, United States.

Mertens is located in eastern Hill County in Central Texas.

According to the United States Census Bureau, Mertens has a total area of 0.42 square miles (1.1 km2), of which 0.5 acres (1,987 m2), or 0.18%, are water.

During this time, the St. Louis Southwestern Railway was constructed through the area on its way from Corsicana to Hillsboro.

[5] In 1888, the post office opened, and within four years a bank was established, with the population just above 75 residents.

The International–Great Northern Railroad reached the community on its way from Italy to Malone during this time, creating a crossroads with the railways.