Allyn, WA Profile: Facts & Data


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Allyn, Washington - Basic Facts

The Allyn CDP(1) had a population of 2,233 as of July 1, 2023.

The primary coordinate point for Allyn is located at latitude 47.3857 and longitude -122.8276 in Mason County. The formal boundaries for the Allyn Census Designated Place encompass a land area of 1.58 sq. miles and a water area of 0.08 sq. miles.

The Allyn 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 Allyn Census Designated Place is located within Union-Grapeview Division of Mason 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. Allyn 2023 Demographic Data
  2. Growth Rates for Allyn (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 - 2023 Demographics

Allyn, WA Data & Demographics (As of July 1, 2023)


Total Population 2,233 (100%)
Population in Households 2,224 (99.6%)
Population in Families 1,823 (81.6%)
Population in Group Quarters1 9 ( 0.4%)
Population Density 1,398
Diversity Index2 37


Median Household Income $110,004
Average Household Income $134,473
% of Income for Mortgage4 26%
Per Capita Income $60,228
Wealth Index5 166
Socioeconomic Status Index6 High (71.7)


Total HU (Housing Units) 1,084 (100%)
Owner Occupied HU 882 (81.4%)
Renter Occupied HU 118 (10.9%)
Vacant Housing Units 84 ( 7.7%)
Median Home Value $479,805
Average Home Value $516,837
Housing Affordability Index3 95


Total Households 1,000
Average Household Size 2.22
Family Households 700
Average Family Size 3.00
  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.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.


2020-2023 2023-2028
Population 0.54% -0.04%
Households 0.43% 0.14%
Families   0.20%
Median Household Income   2.19%
Per Capita Income   3.20%
Owner Occupied HU   0.29%

Allyn, WA - Peer Comparisons by Rank and Percentile

The table below compares Allyn to the other 639 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2023 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 # 301 53rd
Population Density # 227 65th
Median Household Income # 124 81st
Housing Affordability Index # 541 85th
Per Capita Income # 91 86th
Diversity Index # 448 30th

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

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