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ZIP Code 06840
New Canaan, CT, Western Connecticut Planning Region
Population
20,870
Land area
22.2sq mi
People per sq mi
941
City
New Canaan
ZIP 06840 and nearby ZIP codes
ZIP 06840 at a glance
- ZIP 06840 (New Canaan) is 26% denser than 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 $1,611,900 (about 4.4 times the Connecticut figure) and median rent is $3,401 a month.
Local data for ZIP 06840
Counts from official public data
Housing and community stats
ZIP 06840, American Community Survey 2020-2024
Median household income
$250,000+
Poverty rate
3.7%
Median home value
$1,611,900
Prices +4.3% in a year
Median rent
$3,401/mo
Homeownership
83.7%
Bachelor's or higher
82.5%
Median age
42.1
Average commute
38.0 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
665
ZIP Business Patterns 2023
Employees
5,691
$477M annual payroll
PPP loans
$76.3M
908 loans
Campaign donations
$3.7M
16% D, 5% R, 2026 cycle
Environment and hazard risk
ZIP 06840, 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 06840, CDC PLACES estimates
Obesity
21.4%
U.S. 33.3% -11.9 pts
Diabetes
7.0%
U.S. 12.1% -5.1 pts
Smoking
5.9%
U.S. 12.8% -6.9 pts
Uninsured (18-64)
4.6%
U.S. 11.1% -6.5 pts
Frequently asked questions
- What city is ZIP code 06840?
- ZIP code 06840 is in New Canaan, CT (Western Connecticut Planning Region).
- What county is ZIP code 06840 in?
- ZIP code 06840 is mostly in Western Connecticut Planning Region, Connecticut.
- How many people live in ZIP code 06840?
- About 20,870 people live in the 06840 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.