Merrill is a city located in Plymouth County, in the state of Iowa (IA), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 0.4 square miles (1.0 km²) and sits at an elevation of 1170 ft. With a population of approximately 754 residents, Merrill offers a peaceful, rural atmosphere.
The town's population is composed of about 53.18% males and 46.82% females, and it has a population density of 753.49 people per square mile (677.03/km²). Merrill lies at a latitude of 42.72 and a longitude of -96.25, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (6.1%), followed by English (6%), German (42.7%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 51038.