What city is ZIP code 98121?

98121 is a Seattle, Washington ZIP code.

What county is 98121 in?

ZIP code 98121 is in King County, Washington.

What time zone is ZIP code 98121 in?

98121 is in the Pacific Time zone (America/Los_Angeles).

What area code is 98121?

Phone numbers in ZIP code 98121 use area code 206.

What is the population of ZIP code 98121?

About 21,166 people live in ZIP code 98121, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 98121?

The median household income in 98121 is $152,019 a year, higher than 94% of Washington ZIP codes.

What ZIP codes are near 98121?

The nearest ZIP codes to 98121 are 98141 (Seattle, 0 miles), 98101 (Seattle, 0.7 miles), 98170 (Seattle, 0.7 miles) and 98111 (Seattle, 0.9 miles).

ZIP code 98121

Where is ZIP code 98121?

Seattle, Washington

King County · Standard ZIP code

ZIP code 98121 belongs to Seattle, Washington in King County. 98121 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area code 206. About 21,166 people live in the 98121 area, where the median household income is $152,019. The closest ZIP codes are 98141 (Seattle, 0 mi north), 98101 (Seattle, 0.7 mi east) and 98170 (Seattle, 0.7 mi southeast).

ZIP code	98121
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Seattle
State	Washington (WA)
County	King County
Time zone	Pacific Time · now
Area code	206
Coordinates	47.6151, -122.3447 map
3-digit prefix	981

Population and income in 98121

Population	21,166 · higher than 71% of Washington ZIP codes
People per square mile	47,671 · higher than 100% of Washington ZIP codes
Median age	33.2 years · lower than 89% of Washington ZIP codes
Men / women	54% / 46%
Median household income	$152,019 · higher than 94% of Washington ZIP codes
Income per person	$125,577
Below the poverty line	8.7%
Bachelor’s degree or higher	79% of adults 25+
Median home value	$848,400 · higher than 90% of Washington ZIP codes
Median rent	$2,337 a month
Housing units	16,684
Households	14,288 (1.44 people on average)
Owners / renters	23% / 77%
Land area	0.44 sq mi (plus 0.2 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 98121. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 98121

ZIP code	City	Distance	Type
98141	Seattle, WA	0 mi N	PO Box only
98101	Seattle, WA	0.7 mi E	Standard
98170	Seattle, WA	0.7 mi SE	Unique
98111	Seattle, WA	0.9 mi SE	PO Box only
98114	Seattle, WA	0.9 mi SE	PO Box only
98124	Seattle, WA	0.9 mi SE	PO Box only
98129	Seattle, WA	0.9 mi SE	Unique
98131	Seattle, WA	0.9 mi SE	Standard
98138	Seattle, WA	0.9 mi SE	PO Box only
98145	Seattle, WA	0.9 mi SE	PO Box only
98154	Seattle, WA	0.9 mi SE	Standard
98160	Seattle, WA	0.9 mi SE	PO Box only

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 98121 or measure the distance to another ZIP code.

How to address mail to 98121

JANE SMITH
123 MAIN ST
SEATTLE WA 98121

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (98121-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Seattle, WA

All Seattle ZIP codes with population and income →

Questions

What city is ZIP code 98121?: 98121 is a Seattle, Washington ZIP code.
What county is 98121 in?: ZIP code 98121 is in King County, Washington.
What time zone is ZIP code 98121 in?: 98121 is in the Pacific Time zone (America/Los_Angeles).
What area code is 98121?: Phone numbers in ZIP code 98121 use area code 206.
What is the population of ZIP code 98121?: About 21,166 people live in ZIP code 98121, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 98121?: The median household income in 98121 is $152,019 a year, higher than 94% of Washington ZIP codes.
What ZIP codes are near 98121?: The nearest ZIP codes to 98121 are 98141 (Seattle, 0 miles), 98101 (Seattle, 0.7 miles), 98170 (Seattle, 0.7 miles) and 98111 (Seattle, 0.9 miles).