
Polonia
- County:
- Portage County
- County Seat:
- No
- Area (mi²):
- 3.34
- State:
- Wisconsin
Polonia is a CDP located in Portage County, Wisconsin. Polonia has a 2025 population of 700. Polonia is currently growing at a rate of 1.74% annually and its population has increased by 10.06% since the most recent census, which recorded a population of 636 in 2020.
The average household income in Polonia is $111,998 with a poverty rate of 2.4%. The median age in Polonia is 55 years: 55.1 years for males, and 54.7 years for females.