Residential delivery area · Washington
ZIP Code 98001: Auburn, WA
ZIP code 98001 uses the postal name Auburn, Washington and lies entirely in King County (Census 2020 ZIP-county file). About 37,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Auburn's 3 residential ZIP codes. Median household income is $106,791 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Auburn (44%), Lakeland South (20%), Lakeland North (17%), Federal Way (9%) and Algona (7%), and 2% in smaller places; 2% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Auburn · 3 residential ZIPs
- County
- King County
- Census places
- Auburn (44%); Lakeland South (20%) census-designated place; Lakeland North (17%) census-designated place; Federal Way (9%)
- Metro area
- Seattle-Tacoma-Bellevue, WA
- House district
- WA-9 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 18.6 sq mi · 2,010 people per sq mi
- PO Box ZIPs
- 98071 also use the name Auburn
Where is ZIP code 98001?
98001 centers on 47.310°, -122.264° and covers 18.6 square miles of land plus 0.3 of water. It borders 6 ZIP codes: 98002, 98003, 98047, 98354, 98032, 98372.
The map draws ZIP code areas only. For the streets inside 98001, 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 98001 compare with the rest of Auburn?
| Measure | 98001 | In Auburn | In King County | In WA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 37,460 | 3rd of 3 | 24th of 89 | 59th of 605 |
| Median household income | $107k | 2nd of 3 | 57th of 78 | 106th of 363 |
| Median home value | $587k | 2nd of 3 | 70th of 78 | 140th of 392 |
Its median household income is higher than in 85% of U.S. residential ZIP codes, and it is denser than 85% 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 98001?
The 2020 Census counted 36,073 people in 98001; the ACS, which samples households over 2020-2024, estimates 37,460. Between the 2010 and 2020 censuses its population grew 13.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 37,460
- 2020 Census count
- 36,073+13.0% since 2010 (31,911)
- Households
- 11,982
- Median age
- 39.2
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 98001?
Of the 37,460 people the ACS estimates in 98001, 25.1% are under 18 and 13.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (47.0%), then Asian (not Hispanic) (18.0%).
- Under 1825.1%
- 18 to 6461.3%
- 65 and older13.6%
- White, not Hispanic47.0%
- Asian, not Hispanic18.0%
- Hispanic or Latino16.6%
- Other or two or more10.7%
- Black, not Hispanic7.7%
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 98001 earn?
Median household income is $106,791 (ACS 2020-2024), the 57th highest of the 78 ranked ZIP codes in King County. It is not measurably different from 2015-2019 ($110,781 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $106,791
- Income per person
- $42,789
- Below the poverty line
- 11.4%
- Unemployed (of the labor force)
- 6.5%
- Adults 25+ with a bachelor's degree
- 27.0%
- Adjusted gross income per tax return, 2022
- $90,11317,530 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 98001?
FHFA's house price index for 98001, built from repeat sales and appraisals of the same homes, rose 127% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +1.9% in 2025.
- Median home value (owners' estimate)
- $587,400
- Median gross rent
- $2,105
- Homes owned by their occupants
- 73.9%
- Housing units
- 12,447
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 98001?
1,328 business establishments had a location in this ZIP code in 2023, 129 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction284
- Wholesale trade162
- Retail trade138
- Transportation and warehousing116
- Manufacturing90
- Other services (except public administration)90
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 98001?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98002 | Auburn | 37,509 | $79k | 2.3 mi |
| 98003 | Federal Way | 51,619 | $75k | 2.4 mi |
| 98047 | Pacific | 6,817 | $115k | 3.6 mi |
| 98354 | Milton | 8,597 | $97k | 4.7 mi |
| 98032 | Kent | 40,862 | $83k | 5.7 mi |
| 98372 | Puyallup | 26,012 | $98k | 7.1 mi |
| 98023 | Federal Way | 50,448 | $105k | 4.6 mi (near) |
| 98030 | Kent | 38,523 | $92k | 5.0 mi (near) |
| 98198 | Seattle | 40,463 | $86k | 6.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.