ZIP code 06831: Greenwich, CT
06831 is a ZIP code in Greenwich, Connecticut, mainly in Fairfield County, part of the Bridgeport-Stamford-Danbury, CT metro area. About 15,210 people live here.
- Population
- 15,210
- Median household income
- $227,159
- Typical home value
- $2,192,500+11.8% in 12 months
- Median rent
- $3,501gross, per month
- Median age
- 47.5
- Homeowners
- 79%of occupied homes
Shaded: ZIP code 06831's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 06831 details
| City | Greenwich |
|---|---|
| State | Connecticut |
| County | Fairfield County |
| Metro area | Bridgeport-Stamford-Danbury, CT |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 27.6 sq mi, plus 0.5 sq mi of water |
| Population density | 552 people per sq mi |
| Bachelor's degree or higher | 70.9% of adults 25+ |
| Average commute | 29 minutes |
| Center coordinates | 41.08872, -73.65884 |
Median rent in 06831 by bedrooms
| Size | Median gross rent |
|---|---|
| 3 bedrooms | $3,501/mo |
| 4 bedrooms | $3,501/mo |
| 5+ bedrooms | $3,501/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 06831
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 10504 | Armonk, NY | 3.7 mi | 7,665 |
| 06830 | Greenwich, CT | 4.0 mi | 24,880 |
| 06807 | Cos Cob, CT | 4.1 mi | 7,650 |
| 10610 | White Plains, NY | 4.4 mi | — |
| 10577 | Purchase, NY | 4.4 mi | 5,945 |
| 06836 | Greenwich, CT | 4.6 mi | — |
| 10604 | West Harrison, NY | 4.7 mi | 12,517 |
| 10573 | Port Chester, NY | 5.1 mi | 40,786 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 06831?
A typical home in ZIP code 06831 is worth about $2,192,500 (Zillow Home Value Index). The median household here earns $227,159 a year. See what buying here would cost per month, with Connecticut average taxes and insurance filled in.
Monthly payment for a $2,192,500 homeWhat can a $227,159 income afford?Rental property numbers
About ZIP code 06831
What city is ZIP code 06831?
ZIP code 06831 is in Greenwich, CT, in Fairfield County.
What county is ZIP code 06831 in?
06831 is mainly in Fairfield County, Connecticut.
What is the population of ZIP code 06831?
About 15,210 people live in ZIP code 06831, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 06831 in?
06831 is in Eastern Time (UTC−5). It observes daylight saving time.