ZIP code · Mount Vernon · Washington · United States
ZIP code 98274 — Mount Vernon
ZIP code 98274 serves Mount Vernon, Washington.
- Postal code
- 98274Single source Value from one source, not cross-checked.
- City
- Mount Vernon
- County
- Skagit FIPS 53057
- State
- Washington
- Country
- United States
- Coordinates
- 48.3643, -122.1403 — precision precise (locality)
View on OpenStreetMap - Population
- 19,247 (ZCTA, ACS 5-year)
- Population density
- 135 / sq mi
- Land area
- 143.1 sq mi (370.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $93,762
- Per-capita income
- $45,380
- Median age
- 41.4
- Households
- 7,192
- Housing units
- 7,868
- Median home value
- $492,400
- Median gross rent
- $1,716 / month
- Congressional district
- WA-2 (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 98274 with another ZIP · ZIPs within 25 miles · distance from 98274
Map of ZIP code 98274
Climate — monthly normals
Warmest month Aug (avg high 75°F), coldest Dec (avg low 34°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 49 | 53 | 58 | 65 | 69 | 75 | 75 | 70 | 60 | 50 | 45 |
| Avg low °F | 35 | 35 | 38 | 41 | 47 | 51 | 53 | 53 | 49 | 43 | 39 | 34 |
| Precip in | 6.2 | 4.1 | 4.8 | 4.2 | 3.5 | 2.6 | 1.3 | 1.6 | 2.9 | 5.0 | 7.0 | 5.5 |
NOAA 1991–2020 climate normals from the nearest station: SEDRO-WOOLLEY (10.1 mi) · NOAA NCEI
Places in ZIP 98274
- 8 schools
- 5 hospitals & clinics
- 2 doctors & dentists
- 11 restaurants & cafés
- 9 parks
- 6 playgrounds
- 1 gyms & sports centres
- 14 places of worship
- 5 gas stations
- 4 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page