Anderson Island, WA Profile: Facts & Data

The Anderson Island CDP⁽¹⁾ had a population of 1,379 as of July 1, 2024. Anderson Island ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Washington. See peer rankings below.

The Anderson Island 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 Anderson Island Census Designated Place is located within Key Peninsula-Anderson Island Division of Pierce County.

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.

Anderson Island, WA Data & Demographics (As of July 1, 2024)

POPULATION
Total Population	1,379 (100%)
Population in Households	1,379 (100.0%)
Population in Families	1,086 (78.8%)
Population in Group Quarters¹	0
Population Density	173
Diversity Index²	39


INCOME
Median Household Income	$89,154
Average Household Income	$128,320
% of Income for Mortgage⁴	45%
Per Capita Income	$63,741
Wealth Index⁵	177
Socioeconomic Status Index⁶	High (74.1)

HOUSING
Total HU (Housing Units)	1,165 (100%)
Owner Occupied HU	608 (52.2%)
Renter Occupied HU	77 ( 6.6%)
Vacant Housing Units	480 (41.2%)
Median Home Value	$638,626
Average Home Value	$677,878
Housing Affordability Index³	55

HOUSEHOLDS
Total Households	685
Average Household Size	2.01
Family Households	425
Average Family Size	3.00

NOTES

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.
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.
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.
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).
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.
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.

Anderson Island, WA - Peer Comparisons by Rank and Percentile

The table below compares Anderson Island to the other 639 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2024 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.

GROWTH RATE / YEAR	2020-2024	2024-2029
Population	1.36%	1.08%
Households	1.54%	1.20%
Families		1.15%
Median Household Income		3.64%
Per Capita Income		5.68%
Owner Occupied HU		1.56%

Variable Description	Rank	Percentile
Total Population	# 362	43rd
Population Density	# 566	12th
Median Household Income	# 279	56th
Housing Affordability Index	# 183	29th
Per Capita Income	# 97	85th
Diversity Index	# 430	33rd

Anderson Island, WA Profile: Facts & Data

Anderson Island, Washington - Basic Facts

Anderson Island, WA Data & Demographics (As of July 1, 2024)

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Anderson Island, WA - Peer Comparisons by Rank and Percentile

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