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 High-density area
- $131,540
- Median income Above-median income area
- $816,400
- Median home value Above-median home value
- 56.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 98155 (Seattle, WA) rose +4.4% from 2023 to 2024. The all-transactions index moved from 353.0 in 2023 to 368.4 in 2024 (2000 = 100).
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 average Washington ZIP), while per-capita income is $67,259. The poverty rate is 6.1%, with unemployment at 4.8%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $816,400 (60% above the average Washington ZIP), while 70.2% of occupied homes are owner-occupied and median rent is $2,127.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in King County, so 98155 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
104 establishments
- Health care and social assistance
Health care and social assistance
102 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
97 establishments
- Other services (except public administration)
Other services (except public administration)
79 establishments
- Retail trade
Retail trade
57 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, 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
Who lives in ZIP 98155?
40.7
Median Age
50.9%
Male
49.1%
Female
17.7%
Foreign-Born
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 ZIP avg
$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
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
14,955housing units
14,955
Total Housing Units
14,344
Occupied Units
611
Vacant Units
2.48
Avg Household Size
Occupancy Type
$816,400
Median Home Value
+60% vs state ZIP avg
$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.
- 98115
Seattle (98115)
46,206 residents
- 98133
Seattle (98133)
44,555 residents
- 98125
Seattle (98125)
37,081 residents
- 98036
Lynnwood (98036)
36,000 residents
- 98026
Edmonds (98026)
35,921 residents
- 98155
Seattle (98155)
32,778 residents
- 98011
Bothell (98011)
29,212 residents
- 98037
Lynnwood (98037)
26,889 residents
- 98028
Kenmore (98028)
20,419 residents
What this shows Among its immediate neighbors, ZIP 98155 ranks #6 by population - useful context the national average alone can't give.
ZIP 98155 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98177
Seattle (98177)
$169,918 median income
- 98115
Seattle (98115)
$156,142 median income
- 98028
Kenmore (98028)
$139,764 median income
- 98026
Edmonds (98026)
$133,638 median income
- 98011
Bothell (98011)
$131,667 median income
- 98155
Seattle (98155)
$131,540 median income
- 98043
Mountlake Terrace (98043)
$107,687 median income
- 98037
Lynnwood (98037)
$107,281 median income
- 98125
Seattle (98125)
$99,868 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 98155, both outside WA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (32,778 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in King County
Related Areas
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.
Related
Take this with you
What to do with ZIP 98155's numbers, next.
- See how ZIP 98155 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Seattle, WA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.