Seattle, WA Profile: Facts, Map & Data

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Seattle, Washington - Basic Facts

The City of Seattle is an incorporated place (Class Code P1) located in King County at latitude 47.6205 and longitude -122.3509. King County is in the Pacific time zone (GMT -8). The elevation is 177 feet.

The formal official name is the City of Seattle, but most people and references simply refer to it as Seattle, Washington.

The P1 Census Class Code for Seattle indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the City of Seattle (see map below) encompass a land area of 83.84 sq. miles and a water area of 58.82 sq. miles.

City of Seattle, WA Boundary Map

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Boundary Maps: Seattle Division | King County | Washington Counties

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Seattle, WA Data & Demographics (As of July 1, 2014)

POPULATION

Total Population 638,776
Population in Households 612,856
Population in Familes 360,979
Population in Group Qrtrs 25,920
Population Density1 7,610
Diversity Index2 58
 

HOUSEHOLDS

Total Households 298,322
Average Household Size 2.05
Family Households 126,224
Average Family Size 3

HOUSING

Total Housing Units 321,671 (100%)
Owner Occupied HU 136,260 (42.4%)
Renter Occupied HU 162,062 (50.4%)
Vacant Housing Units 23,349 ( 7.3%)
Median Home Value $474,015
Average Home Value $552,886
 

INCOME

Median Household Income $61,409
Average Household Income $84,986
Per Capita Income $40,258
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2014 2014-2019
Population 1.14% 1.43%
Households 1.21% 1.51%
Families 0.86% 1.3%
Median Household Income   4.39%
Per Capita Income   3.29%
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.

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Seattle, WA - Peer Comparisons by Rank and Percentile

The table below compares Seattle to the other 628 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2014 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 # 1 100th
Population Density1 # 1 100th
Diversity Index2 # 111 82nd
Median Household Income # 200 68th
Per Capita Income # 68 89th

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