
New Holstein
- County:
- Calumet County
- County Seat:
- No
- Area (mi²):
- 2.509
- State:
- Wisconsin
New Holstein is a city located in Calumet County, Wisconsin. New Holstein has a 2025 population of 2,894. New Holstein is currently declining at a rate of -2% annually and its population has decreased by -9.22% since the most recent census, which recorded a population of 3,188 in 2020.
The average household income in New Holstein is $98,066 with a poverty rate of 5.48%. The median age in New Holstein is 45.7 years: 41.6 years for males, and 48.3 years for females.