Sister Bay Population

2010–2026

1,180

2026 projection

2.8% since 2020 (increase)

02004006008001K1.2K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Sister Bay. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,180+30.25%
20251,177+40.34%
20241,173+20.17%
20231,171-201.68%
20221,191+272.32%
20211,164+161.39%
20201,148+201.77%
20191,128+262.36%
20181,102+312.89%
20171,071+212.00%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Sister Bay is growing about as fast as Door County and Wisconsin, and slower than the U.S.

  • United States+3.1%
  • Door County+1.6%
  • Sister Bay+1.5%
  • Wisconsin+1.3%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Sister Bay Demographics

61median age

Median age

Female61.8 yrs
Male60 yrs

Adults

861
480 seniors (65+) · 56% of adults381 other adults

Sex

Female 59.6% · 622Male 40.4% · 422

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 10 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Sister Bay Income

$71,169median household income

Median household income

$71,169

Half of households earn more, half earn less

Median earnings

$32,222

Typical yearly pay for a worker 25 or older.

Poverty rate

24.7%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Sister Bay Marital Status

55% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married55%67%48%
Never married13%13%12%
Divorced19%7%26%
Widowed13%12%14%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201