Residential delivery area · Washington
ZIP Code 98270: Marysville, WA
ZIP code 98270 is in Marysville, Washington, entirely in Snohomish County (Census 2020 ZIP-county file). About 55,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Marysville's 2 residential ZIP codes. Median household income is $108,147 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Marysville (92%) and Lake Cassidy (9%).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Marysville · 2 residential ZIPs
- County
- Snohomish County
- Census places
- Marysville (92%); Lake Cassidy (9%) census-designated place
- Metro area
- Seattle-Tacoma-Bellevue, WA
- House district
- WA-1 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 14.3 sq mi · 3,860 people per sq mi
Where is ZIP code 98270?
98270 centers on 48.057°, -122.147° and covers 14.3 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 98258, 98201, 98271, 98223.
The map draws ZIP code areas only. For the streets inside 98270, 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 98270 compare with the rest of Marysville?
| Measure | 98270 | In Marysville | In Snohomish County | In WA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 55,049 | 1st of 2 | 3rd of 30 | 8th of 605 |
| Median household income | $108k | 1st of 2 | 12th of 27 | 99th of 363 |
| Median home value | $580k | 1st of 2 | 21st of 28 | 144th of 392 |
Its median household income is higher than in 86% of U.S. residential ZIP codes, and it is denser than 91% 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 98270?
The 2020 Census counted 51,969 people in 98270; the ACS, which samples households over 2020-2024, estimates 55,049. Between the 2010 and 2020 censuses its population grew 13.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 55,049
- 2020 Census count
- 51,969+13.2% since 2010 (45,899)
- Households
- 19,462
- Median age
- 38.8
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 98270?
Of the 55,049 people the ACS estimates in 98270, 22.1% are under 18 and 13.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (61.2%), then Hispanic or Latino (17.7%).
- Under 1822.1%
- 18 to 6464.1%
- 65 and older13.8%
- White, not Hispanic61.2%
- Hispanic or Latino17.7%
- Asian, not Hispanic9.2%
- Other or two or more8.6%
- Black, not Hispanic3.3%
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 98270 earn?
Median household income is $108,147 (ACS 2020-2024), the 12th highest of the 27 ranked ZIP codes in Snohomish County. It is not measurably different from 2015-2019 ($101,857 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $108,147
- Income per person
- $43,213
- Below the poverty line
- 7.6%
- Unemployed (of the labor force)
- 4.3%
- Adults 25+ with a bachelor's degree
- 25.1%
- Adjusted gross income per tax return, 2022
- $81,25025,630 returns; wages 79% 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 98270?
FHFA's house price index for 98270, built from repeat sales and appraisals of the same homes, rose 133% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved +2.2% in 2025.
- Median home value (owners' estimate)
- $579,900
- Median gross rent
- $1,918
- Homes owned by their occupants
- 70.6%
- Housing units
- 19,887
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 98270?
971 business establishments had a location in this ZIP code in 2023, 116 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction205
- Health care and social assistance122
- Other services (except public administration)109
- Retail trade102
- Accommodation and food services93
- Real estate and rental and leasing62
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 98270?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98258 | Lake Stevens | 52,752 | $124k | 3.4 mi |
| 98201 | Everett | 31,895 | $75k | 4.7 mi |
| 98271 | Marysville | 30,838 | $96k | 4.8 mi |
| 98223 | Arlington | 46,497 | $100k | 14.2 mi |
| 98207 | Everett | 843 | – | 6.0 mi (near) |
| 98203 | Everett | 35,517 | $107k | 8.9 mi (near) |
| 98290 | Snohomish | 39,826 | $133k | 10.5 mi (near) |
| 98208 | Everett | 60,915 | $104k | 11.0 mi (near) |
| 98204 | Everett | 45,130 | $69k | 11.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.