ZIP code · Westport · Massachusetts · United States
ZIP code 02790 — Westport
ZIP code 02790 serves Westport, Massachusetts.
- Postal code
- 02790Single source Value from one source, not cross-checked.
- City
- Westport
- County
- Bristol FIPS 25005
- State
- Massachusetts
- Country
- United States
- Coordinates
- 41.6211, -71.0890 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 16,725 (ZCTA, ACS 5-year)
- Population density
- 310 / sq mi
- Land area
- 53.9 sq mi (139.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $100,617
- Per-capita income
- $51,340
- Median age
- 49.6
- Households
- 6,735
- Housing units
- 7,523
- Median home value
- $476,000
- Median gross rent
- $1,313 / month
- Congressional districts
- MA-9 (also MA-4) (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 02790 with another ZIP · ZIPs within 25 miles · distance from 02790
Map of ZIP code 02790
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 41 | 49 | 60 | 70 | 79 | 85 | 84 | 77 | 64 | 53 | 43 |
| Avg low °F | 24 | 25 | 30 | 39 | 49 | 58 | 65 | 64 | 57 | 47 | 37 | 30 |
| Precip in | 4.0 | 3.8 | 5.5 | 4.5 | 3.6 | 3.7 | 3.0 | 3.8 | 3.9 | 4.5 | 4.1 | 4.9 |
NOAA 1991–2020 climate normals from the nearest station: TIVERTON (6.2 mi) · NOAA NCEI
Places in ZIP 02790
- 7 schools
- 1 pharmacies
- 6 restaurants & cafés
- 6 parks
- 2 playgrounds
- 1 libraries
- 3 post offices
- 5 places of worship
- 3 gas stations
- 3 EV charging stations
- 5 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