Armstrong is a city located in Emmet 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 0.8 square miles (2.0 km²) and sits at an elevation of 1240 ft. With a population of approximately 979 residents, Armstrong offers a peaceful, rural atmosphere.
The town's population is composed of about 47.5% males and 52.5% females, and it has a population density of 193.90 people per square mile (460.97/km²). Armstrong lies at a latitude of 43.4 and a longitude of -94.48, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (7.9%), followed by English (5.9%), German (41.3%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 50514.