Merom is a town in Gill Township, Sullivan County, Indiana, United States.

[4] Merom was founded in 1817, and a log courthouse located there served as the first Sullivan County seat.

[5] The town's name commemorates the Battle of the Waters of Merom in the Hebrew Bible.

[8] According to the 2010 census, the town has a total area of 0.36 square miles (0.93 km2), all land.

The racial makeup of the town was 98.30% White, 0.68% African American, and 1.02% from two or more races.

About 13.5% of families and 14.5% of the population were below the poverty line, including 11.4% of those under the age of eighteen and 3.6% of those 65 or over.

[13] The grand opening of the Merom – Gill Township Carnegie Library was on Sep. 1, 1918.

The two-story structure has beautiful oak woodwork and paintings by local artist Will Turman.

The Merom Camp and Retreat Center is located on the site of the former Union Christian College.