Residential delivery area · Washington
ZIP Code 98023: Federal Way, WA
ZIP code 98023 is in Federal Way, Washington, entirely in King County (Census 2020 ZIP-county file). About 50,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Federal Way's 2 residential ZIP codes. Median household income is $104,893 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Federal Way · 2 residential ZIPs
- County
- King County
- Census places
- Federal Way
- Neighborhood
- Mirror Lake GeoNames
- Metro area
- Seattle-Tacoma-Bellevue, WA
- House district
- WA-9 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 10.3 sq mi · 4,915 people per sq mi
Where is ZIP code 98023?
98023 centers on 47.311°, -122.363° and covers 10.3 square miles of land plus 1.2 of water. It borders 3 ZIP codes: 98422, 98003, 98198.
The map draws ZIP code areas only. For the streets inside 98023, 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 98023 compare with the rest of Federal Way?
| Measure | 98023 | In Federal Way | In King County | In WA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 50,448 | 2nd of 2 | 8th of 89 | 20th of 605 |
| Median household income | $105k | 1st of 2 | 59th of 78 | 114th of 363 |
| Median home value | $590k | 1st of 2 | 68th of 78 | 135th of 392 |
Its median household income is higher than in 84% of U.S. residential ZIP codes, and it is denser than 94% 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 98023?
The 2020 Census counted 51,713 people in 98023; the ACS, which samples households over 2020-2024, estimates 50,448. Between the 2010 and 2020 censuses its population grew 8.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 50,448
- 2020 Census count
- 51,713+8.8% since 2010 (47,510)
- Households
- 17,752
- Median age
- 38.6
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 98023?
Of the 50,448 people the ACS estimates in 98023, 21.1% are under 18 and 14.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (41.2%), then Asian (not Hispanic) (16.3%).
- Under 1821.1%
- 18 to 6464.3%
- 65 and older14.6%
- White, not Hispanic41.2%
- Asian, not Hispanic16.3%
- Hispanic or Latino16.0%
- Black, not Hispanic14.2%
- Other or two or more12.3%
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 98023 earn?
Median household income is $104,893 (ACS 2020-2024), the 59th highest of the 78 ranked ZIP codes in King County. It rose from $97,465 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $104,893
- Income per person
- $46,636
- Below the poverty line
- 9.0%
- Unemployed (of the labor force)
- 3.8%
- Adults 25+ with a bachelor's degree
- 33.9%
- Adjusted gross income per tax return, 2022
- $84,22624,210 returns; wages 73% 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 98023?
FHFA's house price index for 98023, built from repeat sales and appraisals of the same homes, rose 124% from 2015 to 2025 and rose 47% from 2020 to 2025, and moved −1.1% in 2025.
- Median home value (owners' estimate)
- $589,900
- Median gross rent
- $1,900
- Homes owned by their occupants
- 65.6%
- Housing units
- 18,564
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 98023?
705 business establishments had a location in this ZIP code in 2023, 83 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction179
- Health care and social assistance106
- Other services (except public administration)63
- Professional, scientific, and technical services57
- Accommodation and food services54
- Administrative and support and waste management and remediation services52
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 98023?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98422 | Tacoma | 21,644 | $119k | 2.0 mi |
| 98003 | Federal Way | 51,619 | $75k | 2.3 mi |
| 98198 | Seattle | 40,463 | $86k | 6.0 mi |
| 98421 | Tacoma | 424 | $26k | 3.9 mi (near) |
| 98001 | Auburn | 37,460 | $107k | 4.6 mi (near) |
| 98354 | Milton | 8,597 | $97k | 4.6 mi (near) |
| 98424 | Tacoma | 11,816 | $94k | 5.3 mi (near) |
| 98402 | Tacoma | 8,080 | $61k | 5.5 mi (near) |
| 98403 | Tacoma | 9,097 | $88k | 5.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.