Seattle, WA 98102 ZIP Code Profile

Related Place Profiles:
Broadway, WA | Capitol Hill, WA | Seattle, WA

ZIP Code 98102: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Seattle, WA 98102

Not Acceptable, USPS
Broadway, WA 98102
Capitol Hill, WA 98102

  • ZIP Code Type: STANDARD
  • County: King County
  • Centroid: Latitude 47.633, Longitude -122.322
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 878
  • PO Box Addresses: 525
  • Residential Addresses: 16,056
    • Multi-Family Addresses: 12,275
    • Single Family Addresses: 3,781

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

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


98102 ZIP Code Map

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Seattle, WA 98102 Data & Demographics (As of July 1, 2017)


Total Population 24,786
Daytime Population: Workers 9,496
Daytime Population: Residents 5,959
Total Daytime Population (TDP) 15,455
Ratio TDP/Total Population1 0.62
Population in Households 24,476
Population in Familes 7,415
Population in Group Qrtrs 310
Population Density2 19,382
Diversity Index3 44


Median Household Income $68,483
Average Household Income $104,095
Per Capita Income $65,869


Total Housing Units 16,711 (100%)
Owner Occupied HU 4,277 (25.6%)
Renter Occupied HU 11,305 (67.7%)
Vacant Housing Units 1,129 ( 6.8%)
Median Home Value $584,689
Average Home Value $675,701


Total Households 15,582
Average Household Size 1.57
Family Households 3,172
Average Family Size 2
  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 1.89% 1.72%
Households 1.8% 1.64%
Families 1.78% 1.64%
Median Household Income   6.25%
Per Capita Income   4.26%

Seattle, WA 98102 - Peer Comparisons by Rank and Percentile

The table below compares 98102 to the other 585 ZIP Codes 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 # 122 79th
Population Density # 3 100th
Diversity Index # 230 61st
Median Household Income # 138 77th
Per Capita Income # 10 98th

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

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