Seattle, WA 98109 ZIP Code Profile

Related Place Profiles:
Queen Anne, WA | Seattle, WA

ZIP Code 98109: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Seattle, WA 98109

Not Acceptable, USPS
Queen Anne, WA 98109

  • ZIP Code Type: STANDARD
  • County: King County
  • Centroid: Latitude 47.629, Longitude -122.343
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,977
  • PO Box Addresses: 436
  • Residential Addresses: 18,200
    • Multi-Family Addresses: 14,882
    • Single Family Addresses: 3,318

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.


98109 ZIP Code Map

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Seattle, WA 98109 Data & Demographics (As of July 1, 2017)


Total Population 24,252
Daytime Population: Workers 37,170
Daytime Population: Residents 7,292
Total Daytime Population (TDP) 44,462
Ratio TDP/Total Population1 1.83
Population in Households 23,411
Population in Familes 9,237
Population in Group Qrtrs 841
Population Density2 13,004
Diversity Index3 47


Median Household Income $76,214
Average Household Income $107,427
Per Capita Income $65,302


Total Housing Units 15,856 (100%)
Owner Occupied HU 4,320 (27.2%)
Renter Occupied HU 10,246 (64.6%)
Vacant Housing Units 1,290 ( 8.1%)
Median Home Value $573,896
Average Home Value $653,872


Total Households 14,566
Average Household Size 1.61
Family Households 3,768
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 3.02% 2.17%
Households 3.14% 2.21%
Families 2.91% 2.1%
Median Household Income   4.52%
Per Capita Income   3.46%

Seattle, WA 98109 - Peer Comparisons by Rank and Percentile

The table below compares 98109 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 # 132 78th
Population Density # 7 99th
Diversity Index # 219 63rd
Median Household Income # 98 83rd
Per Capita Income # 11 98th

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

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