Marsing is a city located in Owyhee County, in the state of Idaho (ID), United States. Nestled in the Mountain division of the West region, it covers an area of 0.7 square miles (2.0 km²) and sits at an elevation of 2280 ft. With a population of approximately 890 residents, Marsing offers a peaceful, rural atmosphere.
The town's population is composed of about 51.24% males and 48.76% females, and it has a population density of 328.36 people per square mile (512.88/km²). Marsing lies at a latitude of 43.55 and a longitude of -116.81, operating in the UTC-7.
Locals reflect a blend of American ancestry, with roots primarily in United States (21%), followed by English (10.9%), German (12.8%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 83639.