Key Center, WA Profile: Facts, Map & Data


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Key Center, Washington - Basic Facts

The Key Center Census Designated Place had a population of 3,859 as of July 1, 2017. Key Center 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 primary coordinate point for Key Center is located at latitude 47.3304 and longitude -122.7551 in Pierce County. The formal boundaries for the Key Center Census Designated Place (see map below) encompass a land area of 14.57 sq. miles and a water area of 0.11 sq. miles. Pierce County is in the Pacific time zone (GMT -8). The elevation is 184 feet.

The Key Center Census Designated Place (GNIS ID: 2584989) 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 Key Center Census Designated Place is located within Key Peninsula-Anderson Island Division of Pierce County.

Beneath the boundary map are tables with Key Center population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Key Center 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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Key Center, WA Data & Demographics (As of July 1, 2017)


Total Population 3,859
Daytime Population: Workers 808
Daytime Population: Residents 2,266
Total Daytime Population (TDP) 3,074
Ratio TDP/Total Population1 0.80
Population in Households 3,859
Population in Familes 3,288
Population in Group Qrtrs 0
Population Density2 265
Diversity Index3 29


Median Household Income $71,042
Average Household Income $89,612
Per Capita Income $33,661


Total Housing Units 1,716 (100%)
Owner Occupied HU 1,229 (71.6%)
Renter Occupied HU 229 (13.3%)
Vacant Housing Units 258 (15.0%)
Median Home Value $301,852
Average Home Value $419,447


Total Households 1,458
Average Household Size 2.65
Family Households 1,108
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 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.


2010-2017 2017-2022
Population 0.61% 0.75%
Households 0.49% 0.72%
Families 0.5% 0.66%
Median Household Income   3.61%
Per Capita Income   2.86%

Key Center, WA - Peer Comparisons by Rank and Percentile

The table below compares Key Center to the other 627 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2017 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 # 222 65th
Population Density # 507 19th
Diversity Index # 382 39th
Median Household Income # 177 72nd
Per Capita Income # 201 68th

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

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