Sister Bay, WI Profile: Facts, Map & Data


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Sister Bay, Wisconsin - Basic Facts

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The Village of Sister Bay had a population of 891 as of July 1, 2017.

The primary coordinate point for Sister Bay is located at latitude 45.1871 and longitude -87.1294 in Door County. The formal boundaries for the Village of Sister Bay (see map below) encompass a land area of 2.58 sq. miles and a water area of 1 sq. miles. Door County is in the Central time zone (GMT -6). The elevation is 620 feet.

The Village of Sister Bay (GNIS ID: 1584166) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Sister Bay population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Village of Sister Bay, WI Boundary Map

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Sister Bay, WI Data & Demographics (As of July 1, 2017)


Total Population 891
Daytime Population: Workers 1,033
Daytime Population: Residents 528
Total Daytime Population (TDP) 1,561
Ratio TDP/Total Population1 1.75
Population in Households 831
Population in Familes 569
Population in Group Qrtrs 60
Population Density2 346
Diversity Index3 11


Median Household Income $50,752
Average Household Income $66,507
Per Capita Income $35,184


Total Housing Units 1,410 (100%)
Owner Occupied HU 289 (20.5%)
Renter Occupied HU 176 (12.5%)
Vacant Housing Units 945 (67.0%)
Median Home Value $258,163
Average Home Value $322,135


Total Households 465
Average Household Size 1.79
Family Households 236
Average Family Size 2
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.23% 0.11%
Households 0.24% 0.13%
Families 1.16% 0.08%
Median Household Income   1.37%
Per Capita Income   3.05%

Sister Bay, WI - Peer Comparisons by Rank and Percentile

The table below compares Sister Bay to the other 774 incorporated cities, towns and CDPs in Wisconsin by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 407 48th
Population Density # 554 29th
Diversity Index # 520 33rd
Median Household Income # 485 37th
Per Capita Income # 92 88th

Additional comparisons and rankings can be made with a VERY EASY TO USE Wisconsin Census Data Comparison Tool.

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