
Alden
- County:
- Hardin County
- County Seat:
- No
- Area (mi²):
- 1.541
- State:
- Iowa
Alden is a city located in Hardin County, Iowa. Alden has a 2025 population of 722. Alden is currently declining at a rate of -1.1% annually and its population has decreased by -5.12% since the most recent census, which recorded a population of 761 in 2020.
The average household income in Alden is $64,956 with a poverty rate of 18.1%. The median age in Alden is 43.9 years: 38.8 years for males, and 47.4 years for females.