New Hampton
- County:
- Chickasaw County
- County Seat:
- Yes
- Area (mi²):
- 3.352
- State:
- Iowa
New Hampton is a city located in Chickasaw County, Iowa. New Hampton has a 2026 population of 3,433. It is also the county seat of Chickasaw County. New Hampton is currently growing at a rate of 0.06% annually but its population has decreased by -1.61% since the most recent census, which recorded a population of 3,489 in 2020.