Kelso is a village located in Scott County, in the state of Missouri (MO), United States. Nestled in the West North Central division of the Midwest region, it covers an area of 0.3 square miles (1.0 km²) and sits at an elevation of 440 ft. With a population of approximately 527 residents, Kelso offers a peaceful, rural atmosphere.
The town's population is composed of about 48.39% males and 51.61% females, and it has a population density of 646.88 people per square mile (635.86/km²). Kelso lies at a latitude of 37.2 and a longitude of -89.55, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (11%), followed by English (13.3%), German (56.9%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 63758.