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ZIP code

98121

Seattle, WA

STANDARD

98121 covers Seattle in King County, with 20,904 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

ACS 2023 population

20,904

Median household income

$148,974

Median home value

$796,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 98121. Methodology

ZIP code map of 98121

Census ZCTA boundary for ZIP 98121 in Seattle, Washington
Census ZCTA boundary for ZIP 98121 in Seattle, Washington. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 98121

Type

STANDARD

City

Seattle

County

King County

Timezone

America/Los_Angeles

Area codes

206

Land area

0.4 sq mi

Water area

0.20 sq mi

Households

15,781

Median gross rent

$2,329

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
206
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 98121. Not ACS. Methodology

People in 98121

Race

  • White11,039
  • Black or African American1,191
  • American Indian or Alaska Native143
  • Asian6,635
  • Native Hawaiian and Pacific Islander56
  • Other race587
  • Two or more races1,760

Hispanic or Latino (any race): 1,590

Age

  • Under 10568
  • 10 to 19350
  • 20 to 296,765
  • 30 to 396,577
  • 40 to 492,305
  • 50 to 592,040
  • 60 to 691,763
  • 70 to 79806
  • 80 and older237

Income and housing in 98121

Poverty rate

8.7%

Median earnings

$118,893

Median household income

$148,974

Median home value

$796,600

Median gross rent

$2,329

Education

  • High school graduate97.7%
  • Bachelor's degree77.8%
  • Graduate degree39.7%

Places covering 98121

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.

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.

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 98121

IRS populationACS population
22,69111,345020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
20057,904
20068,035
20079,010
20088,785
20099,064
20109,190
201111,5519,846
201211,91410,210
201312,18311,080
201412,75311,760
201513,47413,000
201614,67813,330
201716,46614,010
201818,14015,020
201919,49415,100
202020,53414,890
202121,01014,820
202220,56216,180
202320,904

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 98121

12 nearest ZIP centroids (any distance)

  1. 98101Seattle0.7 miPop 16,396 · Income $128,143
  2. 98154Seattle1.0 miPop 0 · Income —
  3. 98174Seattle1.0 miPop 0 · Income —
  4. 98164Seattle1.1 miPop 235 · Income $250,000+
  5. 98109Seattle1.1 miPop 32,552 · Income $130,845
  6. 98104Seattle1.3 miPop 15,870 · Income $61,866
  7. 98161Seattle1.4 miPop — · Income —
  8. 98171Seattle1.4 miPop — · Income —
  9. 98119Seattle1.7 miPop 26,390 · Income $125,021
  10. 98102Seattle1.8 miPop 26,583 · Income $114,395
  11. 98134Seattle2.4 miPop 779 · Income $66,119
  12. 98122Seattle2.6 miPop 42,001 · Income $106,479

ZIP centroids within 2 miles

ZIP centroids within 2 miles of 98121, measured by Census internal point.
ZIPCityStateDistance (miles)ACS populationMedian income
98101SeattleWA0.7 mi16,396$128,143
98154SeattleWA1.0 mi0—
98174SeattleWA1.0 mi0—
98164SeattleWA1.1 mi235$250,000+
98109SeattleWA1.1 mi32,552$130,845
98104SeattleWA1.3 mi15,870$61,866
98161SeattleWA1.4 mi——
98171SeattleWA1.4 mi——
98119SeattleWA1.7 mi26,390$125,021
98102SeattleWA1.8 mi26,583$114,395

ZIPs within 2 miles of this place

Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.

98121 Seattle, WA

Looking up ZIP codes within 2 miles of 98121 Seattle, WA, measured by centroid distance.

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ACS population

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Households

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Avg median income

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Avg median home

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Selected ZIP codes

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ZIP code 98121 FAQ

What city is ZIP code 98121 in?
98121 is in Seattle, WA.
What county is 98121 in?
98121 is in King County.
What is the median household income in 98121?
The median household income in 98121 is $148,974.
Which ZIP codes are near 98121?
Use the radius tool on this page to list ZIP codes within a chosen distance of 98121.