Birch Bay, WA Profile: Facts, Map & Data


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Birch Bay, Washington - Basic Facts

The Birch Bay Census Designated Place had a population of 9,012 as of July 1, 2017.

The primary coordinate point for Birch Bay is located at latitude 48.8965 and longitude -122.7385 in Whatcom County. The formal boundaries for the Birch Bay Census Designated Place (see map below) encompass a land area of 16.01 sq. miles and a water area of 0.05 sq. miles. Whatcom County is in the Pacific time zone (GMT -8). The elevation is 13 feet.

The Birch Bay Census Designated Place (GNIS ID: 2407850) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Birch Bay Census Designated Place is located within Blaine Division of Whatcom County.

Beneath the boundary map are tables with Birch 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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Birch Bay Census Designated Place, WA Boundary Map

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Boundary Maps: Blaine Division | Whatcom County | Washington Counties

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Birch Bay, WA Data & Demographics (As of July 1, 2017)


Total Population 9,012
Daytime Population: Workers 892
Daytime Population: Residents 5,068
Total Daytime Population (TDP) 5,960
Ratio TDP/Total Population1 0.66
Population in Households 8,990
Population in Familes 7,196
Population in Group Qrtrs 22
Population Density2 563
Diversity Index3 35


Median Household Income $59,762
Average Household Income $83,807
Per Capita Income $35,429


Total Housing Units 5,669 (100%)
Owner Occupied HU 2,917 (51.5%)
Renter Occupied HU 890 (15.7%)
Vacant Housing Units 1,861 (32.8%)
Median Home Value $308,824
Average Home Value $381,462


Total Households 3,808
Average Household Size 2.36
Family Households 2,548
Average Family Size 3
  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 0.95% 1.02%
Households 0.85% 0.97%
Families 1.05% 0.92%
Median Household Income   3.66%
Per Capita Income   2.73%

Birch Bay, WA - Peer Comparisons by Rank and Percentile

The table below compares Birch Bay to the other 627 incorporated cities, towns and CDPs in Washington 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 # 133 79th
Population Density # 400 36th
Diversity Index # 314 50th
Median Household Income # 274 56th
Per Capita Income # 170 73rd

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

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