About New Holstein, WINew Holstein is located in Wisconsin. New Holstein, Wisconsin has a population of 3,188. New Holstein is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 34%. The median household income in New Holstein, Wisconsin is $51,511. The median household income for the surrounding county is $69,585 compared to the national median of $57,525. The median age of people living in New Holstein is 46.1 years. New Holstein WeatherThe average high temperature in July is 82.4 degrees, with an average low temperature in January of 6.9 degrees. The annual precipitation is 31.5. New Holstein MapNew Holstein real estate officesReal estate near New HolsteinNearby CitiesNearby Cities Homes for Sale |