What ZIP codes serve Greenwich, CT?

Greenwich, CT is served by the following ZIP codes: 06830, 06831.

What is the average temperature in Greenwich?

In Greenwich, CT, the average annual high temperature is 61°F and the average low is 43°F, with 47.8 inches of annual precipitation.

How do I verify a Greenwich address?

Use MailColt's free address verification tool to instantly check any Greenwich, CT address for deliverability. Enter the street address, city, state, and ZIP code to get a confidence score and standardized formatting.

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Greenwich is the #35 city in Connecticut by population, with a population of 39,575 across 2 ZIP codes. Average temperatures range from 43.4°F to 60.6°F, with 47.8" of annual precipitation. The area's largest employment sector is Finance & Insurance, home to 317 businesses.

ZIP Codes

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Income by ZIP Code in Greenwich, CT

ZIP Code	Population	Median Income	Median Home Value	Median Rent
06830	24,919	$146,841	$1,685,700	$2,296
06831	14,656	$218,785	$1,483,500	$3,501

Climate in Greenwich, CT

Average monthly temperatures and precipitation.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg High	37°	40°	48°	59°	69°	78°	83°	81°	74°	63°	52°	42°
Avg Low	22°	24°	30°	40°	50°	59°	65°	64°	57°	46°	36°	28°
Precip	3.2"	2.5"	4.1"	4.2"	3.9"	4.2"	4.1"	4.4"	4.9"	4.3"	3.6"	4.2"
Snow	-	-	-	-	-	-	-	-	-	-	-	-

Top Industries in Greenwich, CT

Industry	Establishments
Finance and insurance	317
Professional, scientific, and technical services	242
Retail trade	235
Health care and social assistance	203
Other services (except public administration)	198
Real estate and rental and leasing	129
Accommodation and food services	129
Administrative and support and waste management and remediation services	111
Construction	104
Arts, entertainment, and recreation	52

Historic Landmarks in Greenwich

Greenwich has 34 properties listed on the National Register of Historic Places, including:

Bush-Holley House — 39 Strickland Rd.
Byram School — Between Sherman Ave. and Western Junior Hwy.
Cos Cob Power Station — Roughly bounded by Metro North RR tracks, the Mianus R. and Sound Shore Dr.
Cos Cob Railroad Station — 55 Station Dr.
Ferris, Samuel, House — E. Putnam and Cary Sts.
Fourth Ward Historic District — Roughly along Church, Division, Northfield and William Sts.; and Putnam Court and Sherwood Place
French Farm — N of Greenwich at jct. of Lake Ave. and Round Hill Rd.
Glenville Historic District — Roughly along Glen Ridge Rd., Glenville Rd., Glenville St., Pemberwick Rd., Riversville Rd., and Weaver St.
Glenville School — 449 Pemberwick Rd.
Great Captain Island Lighthouse — Great Captain Island, SW of Greenwich Pt.

All 2 ZIP Codes Serving Greenwich, CT

Other Cities in Connecticut

New Haven Bridgeport Hartford Stamford Waterbury

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