
Door County
- State:
- Wisconsin
- County Seat:
- Sturgeon Bay
Door County's estimated 2025 population is 30,584 with a growth rate of 0.04% in the past year according to the most recent United States census data. Door County is the 44th largest county in Wisconsin. The 2010 population was 27,749 and has seen a growth of 10.22% since that time.