Sister Bay, Wisconsin

Sister Bay population, 2020 to 2024

Sister Bay added 13 residents from July 2020 to July 2024, a change of +1.1%. In the latest year it moved by -1.

Sister Bay covers 2.67 square miles of land and 0.99 of water, for 438 people per square mile of land. The median Wisconsin place of 5,000+ has 1,583, so Sister Bay is less dense than the typical town.

What county Sister Bay is in

All of Sister Bay's residents live in Door County, which had 30,512 residents in 2024. Sister Bay holds 3.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sister Bay

1 ZIP Code Tabulation Area (ZCTA) overlaps Sister Bay by at least 10% of the ZCTA's or the village's land: 54234. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Sister Bay is

The Census internal point of Sister Bay is at 45.187100, -87.129400. Madison, the capital, is 183.8 miles SW in a straight line. The nearest larger place is Menominee, MI (8,231 people), 24.5 miles away. The nearest city of 100,000 or more is Green Bay, WI, 62.3 miles away.

Daylight in Sister Bay

At 45.19° N, Sister Bay gets about 15 h 39 min of daylight around the June solstice and 8 h 45 min around the December solstice, a swing of 6 h 54 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Sister Bay

The eight nearest incorporated places of 1,000+ in Wisconsin, measured between internal points. The closest is Marinette, 25.5 miles away, with 11,139 people.