ZIP code · Greenwich · Connecticut · United States
ZIP code 06830 — Greenwich
ZIP code 06830 serves Greenwich, Connecticut.
- Postal code
- 06830Single source Value from one source, not cross-checked.
- City
- Greenwich
- County
- Western Connecticut FIPS 09001
- State
- Connecticut
- Country
- United States
- Coordinates
- 41.0427, -73.6262 — precision precise (locality)
View on OpenStreetMap - Population
- 24,919 (ZCTA, ACS 5-year)
- Population density
- 1,841 / sq mi
- Land area
- 13.5 sq mi (35.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $146,841
- Per-capita income
- $132,547
- Median age
- 43.7
- Households
- 9,521
- Housing units
- 11,065
- Median home value
- $1,685,700
- Median gross rent
- $2,296 / month
- Congressional district
- CT-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 06830 with another ZIP · ZIPs within 25 miles · distance from 06830
Map of ZIP code 06830
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 22°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 40 | 48 | 59 | 69 | 78 | 83 | 81 | 74 | 63 | 52 | 42 |
| Avg low °F | 22 | 24 | 31 | 40 | 50 | 59 | 65 | 64 | 57 | 46 | 36 | 28 |
| Precip in | 3.2 | 2.5 | 4.1 | 4.2 | 3.9 | 4.3 | 4.1 | 4.4 | 4.9 | 4.3 | 3.6 | 4.2 |
NOAA 1991–2020 climate normals from the nearest station: WESTCHESTER CO AP (4.5 mi) · NOAA NCEI
Places in ZIP 06830
- 15 schools
- 2 hospitals & clinics
- 2 doctors & dentists
- 1 pharmacies
- 1 supermarkets
- 38 restaurants & cafés
- 2 bars & pubs
- 17 parks
- 20 playgrounds
- 8 gyms & sports centres
- 4 libraries
- 11 places of worship
- 2 banks
- 3 gas 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