
Hamburg
- County:
- Fremont County
- County Seat:
- No
- Area (mi²):
- 1.122
- State:
- Iowa
Hamburg is a city located in Fremont County, Iowa. Hamburg has a 2025 population of 854. Hamburg is currently declining at a rate of -0.81% annually and its population has decreased by -3.83% since the most recent census, which recorded a population of 888 in 2020.
The average household income in Hamburg is $71,231 with a poverty rate of 8.53%. The median age in Hamburg is 41.9 years: 41.2 years for males, and 43.3 years for females.