ZIP Code 98121
ZIP Code Tabulation Area in King County, Washington.
- Population
- 20,904
- Median household income
- $148,974
- Median home value
- $796,600
+7.2%’19–’23
+29.2%’19–’23
+29.9%’19–’23
Covering part of King County, Washington, ZIP Code 98121 has about 20,904 residents. At $148,974, its median household income sits above King County's $122,148.
From 2019 to 2023, ZIP Code 98121's population grew 7.2% from 19,494 to 20,904, while its median gross rent rose 17.9% from $1,975 to $2,329.
8.7% of residents live below the poverty line. Households average 1.48 people.
Demographics
ACS 2019–2023- Population
- 20,904
- Median age
- 33.3 yrs
- Median household income
- $148,974
- Median home value
- $796,600
- Median gross rent
- $2,329
- Housing units
- 15,781
- Homeownership rate
- 25.2%
- Bachelor's degree or higher
- 77.8%
- Unemployment rate
- 4.1%
Trends
ACS 5-year · 2019–202319,49420,904
$115,323$148,974
$613,300$796,600
$1,975$2,329
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 19,494 | $115,323 | $613,300 | $1,975 |
| 2020 | 20,534 | $118,270 | $690,900 | $2,114 |
| 2021 | 21,010 | $135,823 | $739,800 | $2,181 |
| 2022 | 20,562 | $142,926 | $799,600 | $2,280 |
| 2023 | 20,904 | $148,974 | $796,600 | $2,329 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 50.5%
5 to 171.2%
18 to 245.9%
25 to 3447.1%
35 to 4415.1%
45 to 549.8%
55 to 649.7%
65 to 747.8%
75 and over2.9%
| Count | Share | |
|---|---|---|
| Under 5 | 111 | 0.5% |
| 5 to 17 | 248 | 1.2% |
| 18 to 24 | 1,225 | 5.9% |
| 25 to 34 | 9,851 | 47.1% |
| 35 to 44 | 3,148 | 15.1% |
| 45 to 54 | 2,048 | 9.8% |
| 55 to 64 | 2,025 | 9.7% |
| 65 to 74 | 1,640 | 7.8% |
| 75 and over | 608 | 2.9% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 9,894 | 47.3% |
| Black or African American | 673 | 3.2% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 7,199 | 34.4% |
| Native Hawaiian & Pacific Islander | 12 | 0.1% |
| Some other race | 351 | 1.7% |
| Two or more races | 1,125 | 5.4% |
| Hispanic or Latino (any race) | 1,650 | 7.9% |
Educational attainment (age 25+)
No high school diploma2.3%
High school graduate5.8%
Some college or associate's14.0%
Bachelor's degree38.1%
Graduate or professional degree39.7%
| Count | Share | |
|---|---|---|
| No high school diploma | 453 | 2.3% |
| High school graduate | 1,124 | 5.8% |
| Some college or associate's | 2,713 | 14.0% |
| Bachelor's degree | 7,368 | 38.1% |
| Graduate or professional degree | 7,662 | 39.7% |
Commute to work
- Mean travel time to work
- 22 min
Drove alone15.5%
Carpooled1.9%
Public transit8.1%
Walked29.8%
Bicycle0.7%
Worked from home41.8%
Other means2.1%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 2,425 | 15.5% |
| Carpooled | 289 | 1.9% |
| Public transit | 1,268 | 8.1% |
| Walked | 4,657 | 29.8% |
| Bicycle | 110 | 0.7% |
| Worked from home | 6,523 | 41.8% |
| Other means | 330 | 2.1% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 2,840 | 31.3% |
| 15 to 29 min | 3,854 | 42.4% |
| 30 to 44 min | 1,451 | 16.0% |
| 45 to 59 min | 467 | 5.1% |
| 60+ min | 467 | 5.1% |
Households
- Average household size
- 1.48
- Poverty rate
- 8.7% (1,807 of 20,684)
| Count | Share | |
|---|---|---|
| Family households | 3,997 | 28.9% |
| Nonfamily households | 9,835 | 71.1% |
Housing
- Median year structure built
- 2004
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 13,832 | 87.6% |
| Vacant | 1,949 | 12.4% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 3,490 | 25.2% |
| Renter-occupied | 10,342 | 74.8% |
1-unit, detached1.6%
1-unit, attached0.2%
2 to 4 units0.9%
5 to 19 units1.4%
20 or more units95.9%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 252 | 1.6% |
| 1-unit, attached | 34 | 0.2% |
| 2 to 4 units | 149 | 0.9% |
| 5 to 19 units | 216 | 1.4% |
| 20 or more units | 15,130 | 95.9% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 98121
- Land area
- 0.44 sq mi
- Water area
- 0.2 sq mi
- Center point
- 47.6152, -122.3506
Counties this ZIP covers
1Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)