Zip code 98121: Seattle, Washington

Q: What city is zip code 98121?

98121 is assigned to Seattle, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 98121 in?

98121 is in King County, Washington.

Q: What is the population of 98121?

About 21,166 people live in 98121, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 98121?

The median household income in 98121 is $152,019.

Q: What zip codes are near 98121?

The closest zip codes to 98121 are 98141, 98101, 98154, 98170, 98174.

Residential delivery areaKing CountyPacific Time

Population

21,166

Median household income

$152K

U.S. $81K

Median home value

$848K

U.S. $333K

Median rent

$2,337/mo

U.S. $1,413

Median age

33.2

U.S. 38.9

Land area

0.4 sq mi

47,671 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 98121

98121 is a dense urban zip code in Seattle, Washington (King County), covering 0.4 sq mi of land. About 21,166 people live here, or 47,671 per square mile. The median resident is 33.2 years old, compared with 38.9 nationally.

The median household earns $152,019 a year, 88% above the national median of $80,734. 8.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $848,400, or 5.6 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 23% of occupied homes are lived in by their owners, and renters pay a median of $2,337 a month.

79% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 20.3 minutes each way, and 45% of workers work from home; working from home is more common than any single way of commuting. The most common jobs among working residents are in computer and math (tech); management; and business and finance. 47% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 98121 compares

Sorted from highest to lowest national percentile

Population density47,671/sq mi
99th
U.S. 95/sq mi · WA 118/sq mi2nd of 571 in WA
Per capita income$125,577
99th
StrengthU.S. $44,673 · WA $53,7446th of 570 in WA
Work from home45.3%
99th
U.S. 15.1% · WA 19.8%7th of 570 in WA
Median earnings per worker$130,152
99th
StrengthU.S. $49,666 · WA $59,9598th of 566 in WA
Tech workers32.3%
99th
U.S. 3.8% · WA 6.7%5th of 570 in WA
Bachelor's degree or higher78.9%
98th
StrengthU.S. 35.7% · WA 39.6%12th of 571 in WA
Foreign-born residents42.8%
96th
U.S. 14.1% · WA 15.4%5th of 571 in WA
Median household income$152,019
95th
StrengthU.S. $80,734 · WA $98,14135th of 541 in WA
Median gross rent$2,337
93rd
U.S. $1,413 · WA $1,76033rd of 475 in WA
Median home value$848,400
92nd
U.S. $332,700 · WA $564,60053rd of 536 in WA
Housing vacancy14.4%
85th
U.S. 10.1% · WA 7.3%155th of 563 in WA
Diversity index65.4
84th
U.S. 61.4 · WA 56.555th of 571 in WA
Broadband access95.2%
78th
U.S. 91% · WA 93.6%156th of 563 in WA
Income inequality (Gini)0.471
76th
U.S. 0.483 · WA 0.46999th of 560 in WA
Poverty rate8.7%
36th
U.S. 12.5% · WA 9.9%323rd of 563 in WA
Unemployment rate4.1%
36th
U.S. 5.2% · WA 5.1%340th of 570 in WA
Population21,166
33rd
U.S. 334,922,499 · WA 7,816,116172nd of 571 in WA
Uninsured rate3.5%
17th
StrengthU.S. 8.4% · WA 6.3%427th of 567 in WA
Average commute20.3 min
14th
StrengthU.S. 26.4 min · WA 26.6 min442nd of 546 in WA
Median age33.2
12th
U.S. 38.9 · WA 38.3506th of 571 in WA
Residents 65 and older10.6%
11th
U.S. 17.2% · WA 16.6%507th of 571 in WA
Rent-burdened renters34.2%
8th
StrengthU.S. 51.1% · WA 49.9%409th of 541 in WA
Veterans1.7%
4th
U.S. 6.2% · WA 7.8%544th of 571 in WA
Self-employed workers4.6%
3rd
U.S. 10% · WA 9.6%500th of 570 in WA
Homeownership rate22.6%
2nd
WeaknessU.S. 65.2% · WA 63.8%549th of 563 in WA
Residents under 181.9%
1st
U.S. 22% · WA 21.4%545th of 571 in WA
Healthcare workers2.9%
1st
U.S. 9.7% · WA 9.3%499th of 570 in WA
Government workers4.1%
1st
U.S. 14.5% · WA 16%547th of 570 in WA

Measure	98121	King	WA	U.S.	National percentile	Rank in WA
Population density	47,671/sq mi	1,081/sq mi	118/sq mi	95/sq mi	99th	2nd of 571
Per capita incomeStrength	$125,577	$74,100	$53,744	$44,673	99th	6th of 570
Work from home	45.3%	29.2%	19.8%	15.1%	99th	7th of 570
Median earnings per workerStrength	$130,152	$76,012	$59,959	$49,666	99th	8th of 566
Tech workers	32.3%	12.8%	6.7%	3.8%	99th	5th of 570
Bachelor's degree or higherStrength	78.9%	56.7%	39.6%	35.7%	98th	12th of 571
Foreign-born residents	42.8%	25.8%	15.4%	14.1%	96th	5th of 571
Median household incomeStrength	$152,019	$124,746	$98,141	$80,734	95th	35th of 541
Median gross rent	$2,337	$2,092	$1,760	$1,413	93rd	33rd of 475
Median home value	$848,400	$859,900	$564,600	$332,700	92nd	53rd of 536
Housing vacancy	14.4%	6.2%	7.3%	10.1%	85th	155th of 563
Diversity index	65.4	65.6	56.5	61.4	84th	55th of 571
Broadband access	95.2%	95.1%	93.6%	91%	78th	156th of 563
Income inequality (Gini)	0.471	0.483	0.469	0.483	76th	99th of 560
Poverty rate	8.7%	8.6%	9.9%	12.5%	36th	323rd of 563
Unemployment rate	4.1%	4.8%	5.1%	5.2%	36th	340th of 570
Population	21,166	2,287,171	7,816,116	334,922,499	33rd	172nd of 571
Uninsured rateStrength	3.5%	5.2%	6.3%	8.4%	17th	427th of 567
Average commuteStrength	20.3 min	27.6 min	26.6 min	26.4 min	14th	442nd of 546
Median age	33.2	37.4	38.3	38.9	12th	506th of 571
Residents 65 and older	10.6%	14%	16.6%	17.2%	11th	507th of 571
Rent-burdened rentersStrength	34.2%	46.8%	49.9%	51.1%	8th	409th of 541
Veterans	1.7%	4.5%	7.8%	6.2%	4th	544th of 571
Self-employed workers	4.6%	9.4%	9.6%	10%	3rd	500th of 570
Homeownership rateWeakness	22.6%	55.4%	63.8%	65.2%	2nd	549th of 563
Residents under 18	1.9%	19.5%	21.4%	22%	1st	545th of 571
Healthcare workers	2.9%	8.2%	9.3%	9.7%	1st	499th of 570
Government workers	4.1%	11.7%	16%	14.5%	1st	547th of 570

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

5–17

18–24

48%

25–34

15%

35–44

45–54

55–64

65–74

75+

Median age

33.2

Under 18

1.9%

65 and over

10.6%

Race and ethnicity

White45%
Black4%
Hispanic7%
Asian37%
Native American0%
Pacific Islander0.1%
Other2%
Multiracial6%

Diversity index

65.4

U.S. 61.4

Foreign-born

42.8%

U.S. 14.1%

Born in state

15.8%

Language spoken at home (households)

English only

53%

Spanish

Other Indo-European

17%

Asian / Pacific

23%

Other

Households

Households: 14,288
Average household size: 1.4
Family households: 25.7%
Married couples: 23.3%
Living alone: 60.5%
Veterans (of adults): 1.7%
Male / female: 54% / 46%

Income and poverty

Household income distribution

<$25k

14%

$25–50k

10%

$50–75k

$75–100k

$100–150k

13%

$150–200k

14%

$200k+

37%

Median household income

98121

$152,019

King Co.

$124,746

Washington

$98,141

United States

$80,734

Per capita income

$125,577

U.S. $44,673

Poverty rate

8.7%

U.S. 12.5%

Households earning $150K+

50.9%

U.S. 23%

Income inequality (Gini)

0.471

U.S. 0.483

Housing

Median home value

98121

$848,400

King Co.

$859,900

Washington

$564,600

United States

$332,700

Median gross rent

98121

$2,337

King Co.

$2,092

Washington

$1,760

United States

$1,413

Types of housing

Single-family

2–4 units

5–19 units

20+ units

95%

Mobile home

Boat, RV, van

Housing units: 16,684
Owner-occupied: 22.6%
Vacant: 14.4%
Median year built: 2005
Median rooms: 2.3
Renters paying 30%+ of income: 34.2%
Renters paying 50%+ of income: 17.1%
Home value to income: 5.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

16%

Carpooled

Transit

Walked

26%

Bicycle

Worked from home

45%

Other

Commute time (one way)

<10 min

14%

10–19

45%

20–29

18%

30–44

15%

45–59

60+

Average commute

20.3 min

U.S. 26.4 min

Unemployment

4.1%

U.S. 5.2%

In labor force

80.8%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Computer and math

32%

Management

20%

Business and finance

Engineering and science

Sales

Office and admin

Legal and social services

Education

Arts, media and sports

Healthcare

Transportation and moving

Cleaning and personal care

Food service

Police and fire

0.9%

Construction and repair

0.8%

Production

0.6%

Farming, fishing and forestry

Industries

Professional and technical services

27%

Retail

24%

Information

Finance, insurance and real estate

Health care and social assistance

Manufacturing

Education

Admin, support and management

Construction

Restaurants and hotels

Transportation, warehousing and utilities

Arts and recreation

Other services

Wholesale

0.8%

Public administration

0.7%

Agriculture and mining

Median earnings per worker

$130,152

U.S. $49,666

Self-employed

4.6%

U.S. 10%

Government workers

4.1%

U.S. 14.5%

Nonprofit workers

6.2%

U.S. 8.8%

Median earnings by type of work

Type of work	98121	U.S.
Management, business, science and arts	$144,425	$74,888
Service	$44,167	$26,804
Sales and office	$61,094	$40,476
Construction and maintenance	$72,614	$49,199
Production and transportation	$65,140	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

Some college

11%

Associate's

Bachelor's

36%

Graduate

43%

High school graduate or higher: 98.1%
Bachelor's degree or higher: 78.9%
Graduate or professional degree: 42.5%
Households with broadband: 95.2%
Cable, fiber or DSL: 86.3%
No internet access: 3.2%
Without health insurance: 3.5%
Limited-English households: 8.7%

Geography

City (USPS): Seattle
State: Washington
County: King County
Center point: 47.6152° N, 122.3506° W
Land area: 0.4 sq mi
Water area: 0.2 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Seattle100% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 98121

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
98141	Seattle, WA · PO box	0.3 mi	—	—	—
98101	Seattle, WA	0.7 mi	17,153	$128,882	$784,200
98154	Seattle, WA	1 mi	0	—	—
98170	Seattle, WA · PO box	1 mi	—	—	—
98174	Seattle, WA	1 mi	0	—	—
98109	Seattle, WA	1.1 mi	34,328	$133,663	$1,034,100
98111	Seattle, WA · PO box	1.1 mi	—	—	—
98114	Seattle, WA · PO box	1.1 mi	—	—	—
98124	Seattle, WA · PO box	1.1 mi	—	—	—
98127	Seattle, WA · PO box	1.1 mi	—	—	—
98129	Seattle, WA · PO box	1.1 mi	—	—	—
98131	Seattle, WA · PO box	1.1 mi	—	—	—

Zip codes like 98121 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 98121

What city is zip code 98121?

98121 is assigned to Seattle, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 98121 in?

98121 is in King County, Washington.

What is the population of 98121?

About 21,166 people live in 98121, according to the Census Bureau's American Community Survey.

What time zone is 98121 in?

98121 is in Pacific Time.

What is the median household income in 98121?

The median household income in 98121 is $152,019.

What zip codes are near 98121?

The closest zip codes to 98121 are 98141, 98101, 98154, 98170, 98174.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 98121, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.