Estherville
- County:
- Emmet County
- County Seat:
- Yes
- Area (mi²):
- 5.387
- State:
- Iowa
Estherville is a city located in Emmet County, Iowa. Estherville has a 2026 population of 5,796. It is also the county seat of Emmet County. Estherville is currently declining at a rate of -1.28% annually and its population has decreased by -1.28% since the most recent census, which recorded a population of 5,871 in 2020.