Niangua is a city located in Webster 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 0.4 square miles (1.0 km²) and sits at an elevation of 1435 ft. With a population of approximately 445 residents, Niangua offers a peaceful, rural atmosphere.
The town's population is composed of about 49.89% males and 50.11% females, and it has a population density of 85.37 people per square mile (419.06/km²). Niangua lies at a latitude of 37.39 and a longitude of -92.83, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (27.2%), followed by English (5.4%), German (10.6%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 65713.