Armstrong is located in Iowa. Armstrong, Iowa has a population of 896. Armstrong is more family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 25%.
The median household income in Armstrong, Iowa is $44,728. The median household income for the surrounding county is $52,237 compared to the national median of $66,222. The median age of people living in Armstrong is 47.2 years.
The average high temperature in July is 82.8 degrees, with an average low temperature in January of 3.96 degrees. The annual precipitation is 28.53.