Residential delivery area · Washington
ZIP Code 98118: Seattle, WA
ZIP code 98118 is in Seattle, Washington, entirely in King County (Census 2020 ZIP-county file). About 51,000 people live there (Census Bureau, ACS 2020-2024), the 4th most populous of Seattle's 38 residential ZIP codes. Median household income is $113,762 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Seattle · 38 residential ZIPs
- County
- King County
- Census places
- Seattle
- Neighborhoods
- Brighton, Columbia City, Dunlap, Rainier Beach, Rainier Valley, Seward Park GeoNames
- Metro area
- Seattle-Tacoma-Bellevue, WA
- House district
- WA-9 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 6.2 sq mi · 8,092 people per sq mi
- PO Box ZIPs
- 21 more ZIP codes use the name Seattle for PO boxes or single organizations
Where is ZIP code 98118?
98118 centers on 47.542°, -122.269° and covers 6.2 square miles of land plus 2.7 of water. It borders 5 ZIP codes: 98108, 98040, 98178, 98144, 98168.
The map draws ZIP code areas only. For the streets inside 98118, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 98118 compare with the rest of Seattle?
| Measure | 98118 | In Seattle | In King County | In WA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 50,500 | 4th of 38 | 7th of 89 | 19th of 605 |
| Median household income | $114k | 19th of 32 | 54th of 78 | 87th of 363 |
| Median home value | $811k | 20th of 32 | 45th of 78 | 54th of 392 |
Its median household income is higher than in 88% of U.S. residential ZIP codes, and it is denser than 97% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 98118?
The 2020 Census counted 47,504 people in 98118; the ACS, which samples households over 2020-2024, estimates 50,500. Between the 2010 and 2020 censuses its population grew 11.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 50,500
- 2020 Census count
- 47,504+11.2% since 2010 (42,731)
- Households
- 19,176
- Median age
- 38.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 98118?
Of the 50,500 people the ACS estimates in 98118, 20.4% are under 18 and 14.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (39.2%), then Asian (not Hispanic) (24.2%).
- Under 1820.4%
- 18 to 6465.5%
- 65 and older14.1%
- White, not Hispanic39.2%
- Asian, not Hispanic24.2%
- Black, not Hispanic17.8%
- Hispanic or Latino10.8%
- Other or two or more8.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 98118 earn?
Median household income is $113,762 (ACS 2020-2024), the 54th highest of the 78 ranked ZIP codes in King County. It rose from $100,878 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $113,762
- Income per person
- $61,620
- Below the poverty line
- 11.6%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 51.9%
- Adjusted gross income per tax return, 2022
- $102,56024,860 returns; wages 77% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 98118?
FHFA's house price index for 98118, built from repeat sales and appraisals of the same homes, rose 98% from 2015 to 2025 and rose 28% from 2020 to 2025, and moved +0.9% in 2025.
- Median home value (owners' estimate)
- $810,500
- Median gross rent
- $1,839
- Homes owned by their occupants
- 57.1%
- Housing units
- 20,459
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 98118?
966 business establishments had a location in this ZIP code in 2023, 89 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance176
- Professional, scientific, and technical services126
- Other services (except public administration)121
- Construction106
- Accommodation and food services98
- Retail trade90
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 98118?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98108 | Seattle | 25,529 | $96k | 1.8 mi |
| 98040 | Mercer Island | 25,307 | $219k | 2.3 mi |
| 98178 | Seattle | 26,748 | $100k | 3.2 mi |
| 98144 | Seattle | 33,787 | $97k | 3.2 mi |
| 98168 | Seattle | 35,528 | $88k | 3.9 mi |
| 98106 | Seattle | 28,690 | $124k | 3.8 mi (near) |
| 98056 | Renton | 35,849 | $114k | 4.2 mi (near) |
| 98134 | Seattle | 645 | $68k | 4.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.