Residential delivery area · Washington
ZIP Code 98274: Mount Vernon, WA
ZIP code 98274 uses the postal name Mount Vernon, Washington and lies entirely in Skagit County (Census 2020 ZIP-county file). About 19,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Mount Vernon's 2 residential ZIP codes. Median household income is $96,177 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Big Lake (5%), Lake McMurray (1%) and Lake Cavanaugh (under 1%), and 3% in smaller places; 90% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mount Vernon · 2 residential ZIPs
- County
- Skagit County
- Census places
- Big Lake (5%) census-designated place; Lake McMurray (1%) census-designated place; Lake Cavanaugh (under 1%) census-designated place
- Metro area
- Mount Vernon-Anacortes, WA
- House district
- WA-2 119th Congress
- State
- Washington
- Time zone
- Pacific
- Land area
- 143.1 sq mi · 132 people per sq mi
Where is ZIP code 98274?
98274 centers on 48.349°, -122.145° and covers 143.1 square miles of land plus 2.6 of water. It borders 4 ZIP codes: 98273, 98292, 98223, 98284.
The map draws ZIP code areas only. For the streets inside 98274, 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 98274 compare with the rest of Mount Vernon?
| Measure | 98274 | In Mount Vernon | In Skagit County | In WA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 18,860 | 2nd of 2 | 6th of 17 | 184th of 605 |
| Median household income | $96k | 1st of 2 | 3rd of 9 | 163rd of 363 |
| Median home value | $548k | 1st of 2 | 5th of 11 | 164th of 392 |
Its median household income is higher than in 78% of U.S. residential ZIP codes, and it is denser than 58% 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 98274?
The 2020 Census counted 18,949 people in 98274; the ACS, which samples households over 2020-2024, estimates 18,860. Between the 2010 and 2020 censuses its population grew 14.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 18,860
- 2020 Census count
- 18,949+14.1% since 2010 (16,613)
- Households
- 7,159
- Median age
- 41.6
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 98274?
Of the 18,860 people the ACS estimates in 98274, 21.1% are under 18 and 23.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (64.3%), then Hispanic or Latino (25.3%).
- Under 1821.1%
- 18 to 6455.3%
- 65 and older23.5%
- White, not Hispanic64.3%
- Hispanic or Latino25.3%
- Other or two or more6.6%
- Asian, not Hispanic2.6%
- Black, not Hispanic1.2%
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 98274 earn?
Median household income is $96,177 (ACS 2020-2024), the 3rd highest of the 9 ranked ZIP codes in Skagit County. It is not measurably different from 2015-2019 ($98,002 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $96,177
- Income per person
- $46,451
- Below the poverty line
- 10.7%
- Unemployed (of the labor force)
- 2.9%
- Adults 25+ with a bachelor's degree
- 34.6%
- Adjusted gross income per tax return, 2022
- $93,2278,880 returns; wages 61% 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 98274?
FHFA's house price index for 98274, built from repeat sales and appraisals of the same homes, rose 129% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +0.7% in 2025.
- Median home value (owners' estimate)
- $547,700
- Median gross rent
- $1,869
- Homes owned by their occupants
- 77.3%
- Housing units
- 7,872
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 98274?
325 business establishments had a location in this ZIP code in 2023, 43 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction93
- Health care and social assistance57
- Retail trade28
- Administrative and support and waste management and remediation services23
- Other services (except public administration)21
- Professional, scientific, and technical services19
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 98274?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 98273 | Mount Vernon | 30,001 | $77k | 11.2 mi |
| 98292 | Stanwood | 27,389 | $102k | 11.2 mi |
| 98223 | Arlington | 46,497 | $100k | 12.7 mi |
| 98284 | Sedro Woolley | 27,835 | $93k | 13.7 mi |
| 98235 | Clearlake | 531 | $63k | 8.8 mi (near) |
| 98238 | Conway | 46 | – | 9.2 mi (near) |
| 98263 | Lyman | 200 | $134k | 12.6 mi (near) |
| 98233 | Burlington | 17,850 | $88k | 14.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.