Birch Bay, WA Profile: Facts & Data

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Birch Bay, Washington - Basic Facts

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The Birch Bay CDP(1) had a population of 9,844 as of July 1, 2021.

The primary coordinate point for Birch Bay is located at latitude 48.9179 and longitude -122.7446 in Whatcom County. The formal boundaries for the Birch Bay Census Designated Place 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 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.


  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

Jump to... (On This Page!)
  1. Birch Bay 2021 Demographic Data
  2. Growth Rates for Birch Bay (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Washington Research Tools (Easy Tools & Current Data)
  3. Washington Data Comparison Tool - 2021 Demographics
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Birch Bay, WA Data & Demographics (As of July 1, 2021)

POPULATION

Total Population 9,844 (100%)
Population in Households 9,822 (99.8%)
Population in Families 7,831 (79.6%)
Population in Group Quarters1 22 ( 0.2%)
Population Density 615
Diversity Index2 36
 
 

INCOME

Median Household Income $68,801
Average Household Income $90,909
% of Income for Mortgage4 23%
Per Capita Income $38,558
Wealth Index5 115
 

HOUSING

Total HU (Housing Units) 6,234 (100%)
Owner Occupied HU 3,368 (54.0%)
Renter Occupied HU 819 (13.1%)
Vacant Housing Units 2,047 (32.8%)
Median Home Value $376,024
Average Home Value $461,449
Housing Affordability Index3 106
 

HOUSEHOLDS

Total Households 4,187
Average Household Size 2.35
Family Households 2,789
Average Family Size 3
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

GROWTH RATE / YEAR

2010-2021 2021-2026
Population 1.41% 1.35%
Households 1.4% 1.35%
Families 1.48% 1.32%
Median Household Income   2.94%
Per Capita Income   3.27%
Owner Occupied HU   1.67%

Birch Bay, WA - Peer Comparisons by Rank and Percentile

The table below compares Birch Bay to the other 625 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2021 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 # 130 79th
Population Density # 391 38th
Median Household Income # 294 53rd
Housing Affordability Index # 233 37th
Per Capita Income # 211 66th
Diversity Index # 319 49th

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

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