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ZIP Code 06820
Darien Downtown, CT, Western Connecticut Planning Region
Population
21,936
Land area
12.7sq mi
People per sq mi
1,733
City
Darien Downtown
ZIP 06820 and nearby ZIP codes
ZIP 06820 at a glance
- ZIP 06820 (Darien Downtown) is about 2.3 times as dense as Connecticut as a whole.
- The median household income is more than $250,000, the highest bracket the Census Bureau reports.
- A typical owner-occupied home is valued at $1,822,400 (about 5 times the Connecticut figure) and median rent is more than $3,500 a month.
Local data for ZIP 06820
Counts from official public data
Housing and community stats
ZIP 06820, American Community Survey 2020-2024
Median household income
$250,000+
Poverty rate
5.8%
Median home value
$1,822,400
Prices +17.0% in a year
Median rent
$3,500+/mo
Homeownership
82.4%
Bachelor's or higher
85.9%
Median age
40.0
Average commute
38.6 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
709
ZIP Business Patterns 2023
Employees
6,576
$481M annual payroll
PPP loans
$76.7M
968 loans
Campaign donations
$1.4M
26% D, 17% R, 2026 cycle
Environment and hazard risk
ZIP 06820, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: strong wind
Storm events since 1996
1,793
Countywide, mostly thunderstorm wind
Flood insurance policies
5,431
3.3% of homes, county
July high / Jan low
85° / 22°F
51.6 inches of rain a year
Health statistics
Share of adults in ZIP 06820, CDC PLACES estimates
Obesity
21.5%
U.S. 33.3% -11.8 pts
Diabetes
6.4%
U.S. 12.1% -5.7 pts
Smoking
5.6%
U.S. 12.8% -7.2 pts
Uninsured (18-64)
4.3%
U.S. 11.1% -6.8 pts
Frequently asked questions
- What city is ZIP code 06820?
- ZIP code 06820 is in Darien Downtown, CT (Western Connecticut Planning Region).
- What county is ZIP code 06820 in?
- ZIP code 06820 is mostly in Western Connecticut Planning Region, Connecticut.
- How many people live in ZIP code 06820?
- About 21,936 people live in the 06820 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.