Herron Island CDP, WA Profile: Facts, Map & Data


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Herron Island CDP, Washington - Basic Facts

The Herron Island Census Designated Place had a population of 158 as of July 1, 2016. Herron Island CDP ranks in the lower 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 Herron Island CDP is located at latitude 47.2647 and longitude -122.8349 in Pierce County. The formal boundaries for the Herron Island Census Designated Place (see map below) encompass a land area of 0.48 sq. miles and a water area of 0 sq. miles.

The Herron Island Census Designated Place (GNIS ID: 2584981) 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 Herron Island Census Designated Place is located within Key Peninsula-Anderson Island Division of Pierce County.

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

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Herron Island Census Designated Place, WA Boundary Map

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Boundary Maps: Key Peninsula-Anderson Island Division | Pierce County | Washington Counties

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Herron Island CDP, WA Data & Demographics (As of July 1, 2016)


Total Population 158
Population in Households 158
Population in Familes 123
Population in Group Qrtrs 0
Population Density1 332
Diversity Index2 24


Total Households 91
Average Household Size 1.74
Family Households 59
Average Family Size 2


Total Housing Units 366 (100%)
Owner Occupied HU 74 (20.2%)
Renter Occupied HU 16 ( 4.4%)
Vacant Housing Units 275 (75.1%)
Median Home Value $319,231
Average Home Value $412,333


Median Household Income $59,190
Average Household Income $80,400
Per Capita Income $34,485
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.73% 0.99%
Households 0.72% 0.86%
Families 3.71% 0.67%
Median Household Income   1.48%
Per Capita Income   2.15%
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.

Herron Island CDP, WA - Peer Comparisons by Rank and Percentile

The table below compares Herron Island CDP 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 # 577 8th
Population Density1 # 471 25th
Diversity Index2 # 477 24th
Median Household Income # 242 62nd
Per Capita Income # 153 76th

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

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