Martha Lake, WA Profile: Facts, Map & Data


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Martha Lake, Washington - Basic Facts

The Martha Lake Census Designated Place had a population of 17,765 as of July 1, 2016. Martha Lake ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Washington. See peer rankings below.

The primary coordinate point for Martha Lake is located at latitude 47.8447 and longitude -122.2331 in Snohomish County. The formal boundaries for the Martha Lake Census Designated Place (see map below) encompass a land area of 4.55 sq. miles and a water area of 0.09 sq. miles. Snohomish County is in the Pacific time zone (GMT -8). The elevation is 469 feet.

The Martha Lake Census Designated Place (GNIS ID: 2408186) 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 Martha Lake Census Designated Place is located within Edmonds Division of Snohomish County.

Beneath the boundary map are tables with Martha Lake population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Martha Lake Census Designated Place, WA Boundary Map

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Boundary Maps: Edmonds Division | Snohomish County | Washington Counties

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Martha Lake, WA Data & Demographics (As of July 1, 2016)


Total Population 17,765
Population in Households 17,713
Population in Familes 14,495
Population in Group Qrtrs 52
Population Density1 3,906
Diversity Index2 59


Total Households 6,406
Average Household Size 2.77
Family Households 4,544
Average Family Size 3


Total Housing Units 6,752 (100%)
Owner Occupied HU 4,195 (62.1%)
Renter Occupied HU 2,211 (32.7%)
Vacant Housing Units 346 ( 5.1%)
Median Home Value $378,320
Average Home Value $416,279


Median Household Income $77,274
Average Household Income $98,974
Per Capita Income $36,170
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 2.23% 2.17%
Households 2.13% 2.1%
Families 1.79% 2.0%
Median Household Income   1.86%
Per Capita Income   1.63%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Martha Lake, WA - Peer Comparisons by Rank and Percentile

The table below compares Martha Lake to the other 627 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2016 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 # 78 88th
Population Density1 # 42 93rd
Diversity Index2 # 119 81st
Median Household Income # 123 81st
Per Capita Income # 122 81st

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

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