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ZIP Code 06420
Colchester, CT, Southeastern Connecticut Planning Region
Population
4,368
Land area
29.5sq mi
People per sq mi
148
City
Colchester
ZIP 06420 and nearby ZIP codes
ZIP 06420 at a glance
- ZIP 06420 (Colchester) is 80% less dense than Connecticut as a whole.
- The median household income is $123,425, 29% above the Connecticut median of $95,781.
- A typical owner-occupied home is valued at $405,800 (11% above Connecticut) and median rent is $1,440 a month.
Local data for ZIP 06420
Counts from official public data
Housing and community stats
ZIP 06420, American Community Survey 2020-2024
Median household income
$123,425
Poverty rate
6.1%
Median home value
$405,800
Prices +2.2% in a year
Median rent
$1,440/mo
Homeownership
86.4%
Bachelor's or higher
50.5%
Median age
41.6
Average commute
31.6 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
73
ZIP Business Patterns 2023
Employees
504
$34.28M annual payroll
PPP loans
$3.6M
95 loans
Campaign donations
$74.19K
45% D, 4% R, 2026 cycle
Environment and hazard risk
ZIP 06420, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: hurricane
Storm events since 1996
843
Countywide, mostly heavy snow
Flood insurance policies
2,137
2.6% of homes, county
July high / Jan low
84° / 21°F
52.2 inches of rain a year
Health statistics
Share of adults in ZIP 06420, CDC PLACES estimates
Obesity
29.7%
U.S. 33.3% -3.6 pts
Diabetes
8.0%
U.S. 12.1% -4.1 pts
Smoking
8.0%
U.S. 12.8% -4.8 pts
Uninsured (18-64)
5.0%
U.S. 11.1% -6.1 pts
ZIP codes near 06420
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 06370Oxoboxo River | 4.4 mi | 24 |
| 06415Colchester | 5.6 mi | 56 |
| 06334Norwich | 6.4 mi | 19.4 |
| 06423Moodus | 6.9 mi | 36.6 |
| 06353Oxoboxo River | 7.3 mi | 0.3 |
| 06333Niantic | 7.4 mi | 23.4 |
| 06336South Windham | 7.6 mi | 0.6 |
| 06439Essex Village | 8.5 mi | 0.8 |
| 06382Oxoboxo River | 8.8 mi | 17.6 |
| 06389Norwich | 9 mi | 0.3 |
| 06371Essex Village | 9.3 mi | 54 |
| 06469Moodus | 9.4 mi | 10 |
Frequently asked questions
- What city is ZIP code 06420?
- ZIP code 06420 is in Colchester, CT (Southeastern Connecticut Planning Region).
- What county is ZIP code 06420 in?
- ZIP code 06420 is mostly in Southeastern Connecticut Planning Region, Connecticut.
- How many people live in ZIP code 06420?
- About 4,368 people live in the 06420 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.