Seattle, WA 98105 ZIP Code Profile

Related Place Profiles:
Seattle, WA | University, WA

ZIP Code 98105: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Seattle, WA 98105

Not Acceptable, USPS
University, WA 98105

  • ZIP Code Type: STANDARD
  • County: King County
  • Centroid: Latitude 47.661, Longitude -122.293
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,365
  • PO Box Addresses: 0
  • Residential Addresses: 18,173
    • Multi-Family Addresses: 9,983
    • Single Family Addresses: 8,190

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.


98105 ZIP Code Map

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Seattle, WA 98105 Data & Demographics (As of July 1, 2017)


Total Population 48,815
Daytime Population: Workers 17,754
Daytime Population: Residents 25,457
Total Daytime Population (TDP) 43,211
Ratio TDP/Total Population1 0.89
Population in Households 39,159
Population in Familes 17,690
Population in Group Qrtrs 9,656
Population Density2 13,958
Diversity Index3 56


Median Household Income $50,446
Average Household Income $103,209
Per Capita Income $40,594


Total Housing Units 18,802 (100%)
Owner Occupied HU 5,950 (31.6%)
Renter Occupied HU 11,773 (62.6%)
Vacant Housing Units 1,079 ( 5.7%)
Median Home Value $716,380
Average Home Value $771,853


Total Households 17,723
Average Household Size 2.21
Family Households 6,238
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 2.39% 1.18%
Households 1.55% 1.46%
Families 1.18% 1.19%
Median Household Income   1.57%
Per Capita Income   2.16%

Seattle, WA 98105 - Peer Comparisons by Rank and Percentile

The table below compares 98105 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 # 16 97th
Population Density # 6 99th
Diversity Index # 153 74th
Median Household Income # 373 36th
Per Capita Income # 88 85th

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

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