Residential delivery area · Washington
ZIP Code 98003: Federal Way, WA
ZIP code 98003 is in Federal Way, Washington, entirely in King County (Census 2020 ZIP-county file). About 52,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Federal Way's 2 residential ZIP codes. Median household income is $75,319 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Federal Way (89%) and Lakeland South (10%).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Federal Way · 2 residential ZIPs
- County
- King County
- Census places
- Federal Way (89%); Lakeland South (10%) census-designated place
- Metro area
- Seattle-Tacoma-Bellevue, WA
- House district
- WA-9 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 11.5 sq mi · 4,488 people per sq mi
Where is ZIP code 98003?
98003 centers on 47.305°, -122.314° and covers 11.5 square miles of land plus 0.1 of water. It borders 6 ZIP codes: 98023, 98001, 98354, 98422, 98198, 98032.
The map draws ZIP code areas only. For the streets inside 98003, 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).
How does 98003 compare with the rest of Federal Way?
| Measure | 98003 | In Federal Way | In King County | In WA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 51,619 | 1st of 2 | 6th of 89 | 14th of 605 |
| Median household income | $75k | 2nd of 2 | 75th of 78 | 270th of 363 |
| Median home value | $477k | 2nd of 2 | 76th of 78 | 209th of 392 |
Its median household income is higher than in 55% of U.S. residential ZIP codes, and it is denser than 93% 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 98003?
The 2020 Census counted 51,751 people in 98003; the ACS, which samples households over 2020-2024, estimates 51,619. Between the 2010 and 2020 censuses its population grew 17.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 51,619
- 2020 Census count
- 51,751+17.2% since 2010 (44,151)
- Households
- 18,786
- Median age
- 35.7
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 98003?
Of the 51,619 people the ACS estimates in 98003, 24.8% are under 18 and 15.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (29.8%), then Hispanic or Latino (24.0%).
- Under 1824.8%
- 18 to 6459.8%
- 65 and older15.4%
- White, not Hispanic29.8%
- Hispanic or Latino24.0%
- Black, not Hispanic20.4%
- Asian, not Hispanic13.5%
- Other or two or more12.2%
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 98003 earn?
Median household income is $75,319 (ACS 2020-2024), the 75th highest of the 78 ranked ZIP codes in King County. It is not measurably different from 2015-2019 ($72,872 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,319
- Income per person
- $35,775
- Below the poverty line
- 15.7%
- Unemployed (of the labor force)
- 6.9%
- Adults 25+ with a bachelor's degree
- 27.6%
- Adjusted gross income per tax return, 2022
- $69,15622,640 returns; wages 76% 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 98003?
FHFA's house price index for 98003, built from repeat sales and appraisals of the same homes, rose 131% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +2.4% in 2025.
- Median home value (owners' estimate)
- $476,600
- Median gross rent
- $1,723
- Homes owned by their occupants
- 46.9%
- Housing units
- 19,754
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 98003?
1,768 business establishments had a location in this ZIP code in 2023, 65 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance334
- Accommodation and food services200
- Retail trade195
- Construction190
- Other services (except public administration)173
- Professional, scientific, and technical services139
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 98003?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98023 | Federal Way | 50,448 | $105k | 2.3 mi |
| 98001 | Auburn | 37,460 | $107k | 2.4 mi |
| 98354 | Milton | 8,597 | $97k | 3.7 mi |
| 98422 | Tacoma | 21,644 | $119k | 3.8 mi |
| 98198 | Seattle | 40,463 | $86k | 6.0 mi |
| 98032 | Kent | 40,862 | $83k | 6.6 mi |
| 98047 | Pacific | 6,817 | $115k | 4.4 mi (near) |
| 98002 | Auburn | 37,509 | $79k | 4.6 mi (near) |
| 98421 | Tacoma | 424 | $26k | 5.1 mi (near) |
| 98424 | Tacoma | 11,816 | $94k | 5.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.