
Armstrong
- County:
- Emmet County
- County Seat:
- No
- Area (mi²):
- 0.884
- State:
- Iowa
Armstrong is a city located in Emmet County, Iowa. Armstrong has a 2025 population of 847. Armstrong is currently declining at a rate of -0.47% annually and its population has decreased by -2.53% since the most recent census, which recorded a population of 869 in 2020.
The average household income in Armstrong is $65,135 with a poverty rate of 6.15%. The median age in Armstrong is 62.3 years: 49.2 years for males, and 64.8 years for females.