Seattle, WA 98121 ZIP Code Profile

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Seattle, WA
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ZIP Code 98121: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Seattle, WA 98121

  • ZIP Code Type: STANDARD
  • County: King County
  • Centroid: Latitude 47.613, Longitude -122.344
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,242
  • PO Box Addresses: 0
  • Residential Addresses: 14,022
    • Multi-Family Addresses: 12,457
    • Single Family Addresses: 1,565

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.



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Seattle, WA 98121 Data & Demographics (As of July 1, 2018)

POPULATION

Total Population 17,021
Population in Households 16,546
Population in Familes 4,634
Population in Group Qrtrs 475
Population Density1 40,488
Diversity Index2 60
 

INCOME

Median Household Income $71,634
Average Household Income $100,781
Per Capita Income $73,095

HOUSING

Total Housing Units 13,829 (100%)
Owner Occupied HU 3,171 (22.9%)
Renter Occupied HU 9,060 (65.5%)
Vacant Housing Units 1,598 (11.6%)
Median Home Value $484,729
Average Home Value $642,455
 

HOUSEHOLDS

Total Households 12,231
Average Household Size 1.35
Family Households 2,089
Average Family Size 2
NOTES
  1. Population Density = Total Population per square mile.
  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 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.

GROWTH RATE / YEAR

2010-2017 2017-2022
Population 4.45% 3.93%
Households 4.65% 3.84%
Families 4.73% 4.31%
Median Household Income   3.76%
Per Capita Income   3.2%

Seattle, WA 98121 - Peer Comparisons by Rank and Percentile

The table below compares 98121 to the other 581 ZIP Codes in Washington by rank and percentile using July 1, 2018 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 # 183 69th
Population Density # 1 100th
Diversity Index # 128 78th
Median Household Income # 144 75th
Per Capita Income # 7 99th

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


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