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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/CT/DARIEN-DOWNTOWN

Darien Downtown ZIP codes, Connecticut

No ZIP code is named for Darien Downtown, CT; addresses there use a neighbouring town's name. The ZIP code covering it is 06820. Its area codes are 203 and 475.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
1,242
Area codes
203, 475

NANPA lists no telephone rate centre for Darien Downtown itself, so these are the area codes of the nearest one, Darien (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Darien Downtown in numbers

About 1,242 people live in Darien Downtown, in 620 households. The median household income is $166,085 a year, 73% above the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $915,400 (2.5 times the Connecticut median), and median gross rent is $2,728 a month. The median age is 47.2; 83.4% of adults 25 and over hold a bachelor's degree or higher (42.5% across Connecticut); the average commute takes 37 minutes.

Population1,242Darien Downtown1,242
Households620Darien Downtown620
Median age47.2Darien Downtown47.2Connecticut41.1US 38.9
Median household income$166,085Darien Downtown$166,085Connecticut$95,781US $80,734
Median home value$915,400Darien Downtown$915,400Connecticut$366,900US $332,700
Median gross rent$2,728Darien Downtown$2,728Connecticut$1,488US $1,413
Bachelor's degree or higher83.4%Darien Downtown83.4%Connecticut42.5%US 35.7%
Mean commute37.3 minDarien Downtown37.3 minConnecticut26.5 minUS 26.4 min
Population density1,576 / sq miDarien Downtown1,576 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Darien Downtown CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Darien Downtown

These ZIP codes cover part of Darien Downtown but are addressed as somewhere else.

ZIP codes overlapping Darien Downtown
ZIP City Type Population Median income Median home
06820 Darien , CT Standard 21,936 $250,000+ $1,822,400

Map of Darien Downtown ZIP codes

06820

The ZIP codes of Darien Downtown, CT, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Darien Downtown

The nearest larger towns are Noroton Heights (2,782 people, 1.4 mi), Tokeneke (2,951 people, 1.7 mi) and Noroton (5,539 people, 1.7 mi).

Towns near Darien Downtown
TownPopulationDistance
Noroton Heights 2,782 1.4 mi
Tokeneke 2,951 1.7 mi
Noroton 5,539 1.7 mi
Norwalk 92,187 2.8 mi
Stamford 137,144 4.0 mi
New Canaan 6,896 4.6 mi
Saugatuck 2,925 5.8 mi
Old Greenwich 6,936 6.4 mi
Cos Cob 7,546 6.7 mi
Riverside 8,954 6.8 mi
Old Hill 2,990 6.9 mi
Compo 3,410 6.9 mi
Westport Village 3,021 7.3 mi
Greens Farms 3,229 8.3 mi

More nearby: every ZIP code in Fairfield County · Connecticut ZIP codes

Cite this page

zipcodes.pro. “Darien Downtown, CT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ct/darien-downtown

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