Marietta-Alderwood CDP, WA Profile: Facts, Map & Data


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Marietta-Alderwood CDP, Washington - Basic Facts

The Marietta-Alderwood Census Designated Place had a population of 4,173 as of July 1, 2017.

The primary coordinate point for Marietta-Alderwood CDP is located at latitude 48.7881 and longitude -122.5552 in Whatcom County. The formal boundaries for the Marietta-Alderwood Census Designated Place (see map below) encompass a land area of 5.74 sq. miles and a water area of 1.45 sq. miles.

The Marietta-Alderwood Census Designated Place (GNIS ID: 2408178) has a U2 Census Class Code which indicates a census designated place without 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 Marietta-Alderwood Census Designated Place is located within Bellingham Division of Whatcom County.

Beneath the boundary map are tables with Marietta-Alderwood CDP 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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Marietta-Alderwood Census Designated Place, WA Boundary Map

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Marietta-Alderwood CDP, WA Data & Demographics (As of July 1, 2017)


Total Population 4,173
Daytime Population: Workers 2,812
Daytime Population: Residents 2,224
Total Daytime Population (TDP) 5,036
Ratio TDP/Total Population1 1.21
Population in Households 4,173
Population in Familes 3,014
Population in Group Qrtrs 0
Population Density2 728
Diversity Index3 53


Median Household Income $43,483
Average Household Income $60,927
Per Capita Income $26,247


Total Housing Units 1,877 (100%)
Owner Occupied HU 856 (45.6%)
Renter Occupied HU 955 (50.9%)
Vacant Housing Units 66 ( 3.5%)
Median Home Value $359,685
Average Home Value $410,731


Total Households 1,811
Average Household Size 2.3
Family Households 1,044
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 0.92% 1.02%
Households 0.77% 0.94%
Families 0.68% 0.88%
Median Household Income   1.0%
Per Capita Income   2.07%

Marietta-Alderwood CDP, WA - Peer Comparisons by Rank and Percentile

The table below compares Marietta-Alderwood CDP 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 # 208 67th
Population Density # 359 43rd
Diversity Index # 168 74th
Median Household Income # 490 22nd
Per Capita Income # 389 38th

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

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