Lake Morton-Berrydale, WA Profile: Facts & Data


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Lake Morton-Berrydale, Washington - Basic Facts

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The Lake Morton-Berrydale CDP(1) had a population of 10,936 as of July 1, 2021.

The primary coordinate point for Lake Morton-Berrydale is located at latitude 47.3325 and longitude -122.1032 in King County. The formal boundaries for the Lake Morton-Berrydale Census Designated Place encompass a land area of 12.28 sq. miles and a water area of 0.2 sq. miles.

The Lake Morton-Berrydale Census Designated Place 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 Lake Morton-Berrydale Census Designated Place is located within Enumclaw Plateau Division of King County.

Alternate Unofficial Names for Lake Morton-Berrydale: Lake Morton-Berrydale CDP.

  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.

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  1. Lake Morton-Berrydale 2021 Demographic Data
  2. Growth Rates for Lake Morton-Berrydale (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

Lake Morton-Berrydale, WA Data & Demographics (As of July 1, 2021)


Total Population 10,936 (100%)
Population in Households 10,926 (99.9%)
Population in Families 9,684 (88.6%)
Population in Group Quarters1 10 ( 0.1%)
Population Density 887
Diversity Index2 39


Median Household Income $117,448
Average Household Income $147,992
% of Income for Mortgage4 19%
Per Capita Income $51,456
Wealth Index5 230


Total HU (Housing Units) 3,974 (100%)
Owner Occupied HU 3,504 (88.2%)
Renter Occupied HU 310 ( 7.8%)
Vacant Housing Units 160 ( 4.0%)
Median Home Value $524,457
Average Home Value $567,057
Housing Affordability Index3 128


Total Households 3,814
Average Household Size 2.86
Family Households 3,139
Average Family Size 3
  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.


2010-2021 2021-2026
Population 0.66% 0.73%
Households 0.55% 0.6%
Families 0.67% 0.68%
Median Household Income   2.32%
Per Capita Income   2.5%
Owner Occupied HU   0.75%

Lake Morton-Berrydale, WA - Peer Comparisons by Rank and Percentile

The table below compares Lake Morton-Berrydale 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 # 119 81st
Population Density # 326 48th
Median Household Income # 46 93rd
Housing Affordability Index # 403 64th
Per Capita Income # 75 88th
Diversity Index # 286 54th

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

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