ZIP code
98166
Seattle, WA
98166 covers Seattle in King County, with 22,001 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 98166. Methodology
ZIP code map of 98166

About ZIP code 98166
Acceptable cities: Burien, Normandy Park
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 98166. Not ACS. Methodology
People in 98166
Race
- White14,856
- Black or African American825
- American Indian or Alaska Native248
- Asian1,586
- Native Hawaiian and Pacific Islander193
- Other race1,849
- Two or more races2,595
Hispanic or Latino (any race): 3,559
Age
- Under 102,243
- 10 to 192,194
- 20 to 292,221
- 30 to 393,016
- 40 to 493,041
- 50 to 593,194
- 60 to 693,179
- 70 to 791,926
- 80 and older1,138
Income and housing in 98166
Education
- High school graduate93.0%
- Bachelor's degree45.5%
- Graduate degree16.2%
Places covering 98166
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Burien72.7%
- Normandy Park27.3%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- King County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Population history for 98166
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 19,183 | |
| 2006 | 19,088 | |
| 2007 | 20,466 | |
| 2008 | 19,988 | |
| 2009 | 20,429 | |
| 2010 | 21,347 | |
| 2011 | 19,659 | 21,008 |
| 2012 | 18,706 | 20,890 |
| 2013 | 20,154 | 21,180 |
| 2014 | 21,187 | 20,870 |
| 2015 | 21,087 | 21,010 |
| 2016 | 21,018 | 21,250 |
| 2017 | 21,318 | 21,490 |
| 2018 | 21,212 | 20,490 |
| 2019 | 21,452 | 20,380 |
| 2020 | 21,772 | 19,970 |
| 2021 | 22,599 | 19,340 |
| 2022 | 22,418 | 19,530 |
| 2023 | 22,001 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 98166
12 nearest ZIP centroids (any distance)
- 98148Seattle1.3 miPop 10,399 · Income $86,994
- 98158Seattle2.1 miPop 0 · Income —
- 98131Seattle3.0 miPop — · Income —
- 98132Seattle3.0 miPop — · Income —
- 98146Seattle3.4 miPop 28,182 · Income $108,460
- 98168Seattle3.6 miPop 34,814 · Income $84,937
- 98188Seattle3.8 miPop 26,769 · Income $76,559
- 98198Seattle4.5 miPop 39,815 · Income $83,938
- 98178Seattle6.0 miPop 25,929 · Income $93,786
- 98032Kent6.1 miPop 40,150 · Income $77,413
- 98136Seattle6.2 miPop 17,299 · Income $153,636
- 98108Seattle6.2 miPop 24,430 · Income $90,806
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 98148 | Seattle | WA | 1.3 mi | 10,399 | $86,994 |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 98166 FAQ
- What city is ZIP code 98166 in?
- 98166 is in Seattle, WA.
- What county is 98166 in?
- 98166 is in King County.
- What is the median household income in 98166?
- The median household income in 98166 is $112,191.
- Which ZIP codes are near 98166?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 98166.