PlainZIP

Seattle, WA · standard

ZIP Code 98155

King County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

32,778
1,675/sq mi
$131,540
Median income
$816,400
Median home value
56.5%
Bachelor's or higher

The verdict

Seattle pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 7%
household income, US ZIPs
Top 4%
home value, US ZIPs
1,675
people per sq mi
70%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 98155 against every reporting US ZIP.

ZIP code 98155 is a densely settled ZIP (a standard USPS delivery area) in Seattle, King County, Washington, with 32,778 residents across 19.6 square miles, a density of 1,675 people per square mile, in the Los Angeles time zone.

ZIP 98155 skews affluent, with a median household income of $131,540 (45% above the Washington average), while per-capita income is $67,259. Poverty here runs at 6.1%, with unemployment measured at 4.8%. The typical home here is valued at $816,400 (60% above the state average); renters pay a median of $2,127 monthly, and 70.2% of units are owner-occupied.

This is a highly-educated ZIP: 56.5% of adults hold a bachelor's degree or higher, the median age is 40.7, and the average commute is 27 minutes. To put 98155 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in King County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 98155

Top 5 sectors by establishment count in Seattle, WA

Which industries have the most business establishments in ZIP 98155.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 98155, Seattle, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

32,778

Population

19.6

Area (sq mi)

1,675

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 98155?

40.7

Median Age

50.9%

Male

49.1%

Female

17.7%

Foreign-Born

White 66.0%
African American 4.6%
Asian 13.4%
American Indian or Alaska Native 0.8%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 12.0%
Hispanic or Latino 8.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$131,540

Median Household Income

+45% vs state

$67,259

Per Capita Income

6.1%

Poverty Rate

4.8%

Unemployment Rate

26.6 min

Mean Commute Time

How ZIP 98155 ranks nationally

Seattle, WA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$131,540 Top 7% higher than 93% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 70.0%
Bachelor's Degree or Higher 56.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

14,955

Total Housing Units

14,344

Occupied Units

611

Vacant Units

2.48

Avg Household Size

Occupancy Type

Owner 70.2%
Renter 29.8%

$816,400

Median Home Value

+60% vs state

$2,127

Median Rent

1969

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+4.4%

YoY Change (2024)

368

HPI Index (2000 = 100)

+268%

Total Change Since 2000

Home values in ZIP 98155 have increased 4.4% over the past year (2024). Since 2000, this ZIP has seen +268% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.9% 267
2021 +12.5% 301
2022 +15.5% 348
2023 +1.6% 353
2024 +4.4% 368

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 671 business establishments in ZIP 98155, employing approximately 4,619 people with a combined annual payroll of $237,237,000.

671

Businesses

4,619

Employees

$237.2M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 104 15.5%
Health care and social assistance 102 15.2%
Professional, scientific, and technical services 97 14.5%
Other services (except public administration) 79 11.8%
Retail trade 57 8.5%
Administrative and support and waste management and remediation services 51 7.6%
Real estate and rental and leasing 47 7.0%
Accommodation and food services 47 7.0%
Finance and insurance 15 2.2%
Educational services 15 2.2%
Information 14 2.1%
Wholesale trade 13 1.9%
Transportation and warehousing 12 1.8%
Arts, entertainment, and recreation 9 1.3%
Manufacturing 6 0.9%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 98155 vs 98125 →

ZIP 98155 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 98155 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 98155 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 98155 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
98125 Seattle, WA 37,081 2.7 mi
98043 Mountlake Terrace, WA 19,943 2.5 mi
98028 Kenmore, WA 20,419 2.5 mi
98133 Seattle, WA 44,555 2.3 mi
98036 Lynnwood, WA 36,000 3.9 mi
98177 Seattle, WA 19,030 3.4 mi
98115 Seattle, WA 46,206 5.0 mi
98037 Lynnwood, WA 26,889 5.8 mi
98011 Bothell, WA 29,212 4.6 mi
98026 Edmonds, WA 35,921 5.7 mi

More ZIP Codes in King County

98052 standard
Redmond, WA
Pop: 58,442
98023 standard
Federal Way, WA
Pop: 47,510
98115 standard
Seattle, WA
Pop: 46,206
98103 standard
Seattle, WA
Pop: 45,911
98133 standard
Seattle, WA
Pop: 44,555
98003 standard
Federal Way, WA
Pop: 44,151

Related Areas

King County Seattle, WA Washington

Frequently Asked Questions

What county is ZIP code 98155 in? ▼
ZIP code 98155 (Seattle) is located in King County, Washington. King County contains multiple ZIP codes, see the full list at /counties/king-wa.
What is the population of ZIP code 98155? ▼
ZIP code 98155 in Seattle, WA has a population of 32,778 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 98155? ▼
The median household income in ZIP 98155 is $131,540, which is 72% above the national average of $76,288.
What is the average home value in ZIP 98155? ▼
The median home value in ZIP 98155 is $816,400, which is 194% above the national average of $278,155.
What is the demographic makeup of ZIP 98155? ▼
The largest racial group in ZIP 98155 is White at 66.0%. Hispanic or Latino residents make up 8.9% of the population.
How many businesses are in ZIP code 98155? ▼
ZIP code 98155 has 671 business establishments employing approximately 4,619 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 98155? ▼
The top industries by establishment count in ZIP 98155 are: Construction (104), Health care and social assistance (102), Professional, scientific, and technical services (97). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 98155? ▼
According to the FHFA House Price Index, home values in ZIP 98155 increased by 4.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 268%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 98155? ▼
In ZIP code 98155, 70.0% of residents aged 25+ have a high school diploma or higher, and 56.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 98155? ▼
The mean commute time for workers in ZIP code 98155 is 26.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 98155? ▼
In ZIP code 98155, approximately 70.2% of occupied housing units are owner-occupied and 29.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 98155? ▼
The poverty rate in ZIP code 98155 is 6.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.