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ZIP Code 06420, Connecticut

ZIP Code 06420 profile, demographic data, and geographic information.

ZCTA5 06420 is a 5-digit ZIP Code area located in Connecticut. As of official census estimates, it has a reported population of 4,368. The land area covers 29.55 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 4,368 ±82 2020-2024 / Census ACS 5-Year 2024
Median Age 41.6 yrs ±5.4 2020-2024 / Census ACS 5-Year 2024
Total Households 1,811 ±163 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 1,811 ±163
Occupied Housing Units 1,811 ±163
Vacant Housing Units 0 ±14
Median Home Value $405,800 ±$31,979
Median Gross Rent $1,440 ±$150
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $123,425 ±$7,461
Per Capita Income $61,743 ±$8,766
Poverty Rate 6.1% ±3.8%
Population Below Poverty Level 265 ±166
Unemployment Rate 3.1% ±1.6%
Civilian Labor Force, Employed 2,199 ±259
Broadband Internet Rate 99.3% ±12.6%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 09-12 Colchester, CT
Regular School Nearby 05-08 New London, CT
Regular School Nearby PK-05 New London, CT
Regular School Nearby PK-04 Canterbury, CT
Regular School Nearby PK-05 Groton, CT
Regular School Nearby 04-05 East Hampton, CT
Special Education School Nearby PK Old Lyme, CT
Regular School Nearby PK-05 Groton, CT
Regular School Nearby PK-06 Chester, CT
Regular School Nearby 06-08 Waterford, CT
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Connecticut College
College 10.9 mi away 270 Mohegan Avenue, New London, CT, 06320-4196
8604471911
SALEM FREE PUBLIC LIBRARY
Library 1.0 mi away 264 HARTFORD RD., SALEM, CT, 06420
(860) 859-1130
United States Coast Guard Academy
College 11.3 mi away 15 Mohegan Avenue, New London, CT, 06320
8604448444
RAYMOND LIBRARY
Library 5.5 mi away 832 RAYMOND HILL RD., MONTVILLE, CT, 06370
(860) 848-9943
Mitchell College
College 14.0 mi away 437 Pequot Avenue, New London, CT, 06320
8607015000
LYME PUBLIC LIBRARY
Library 6.6 mi away 482 HAMBURG RD., LYME, CT, 06371
(860) 434-2272
University of Connecticut-Avery Point
College 15.6 mi away 1084 Shennecossett Rd, Groton, CT, 06340-6097
8604059000
CRAGIN MEMORIAL LIBRARY
Library 7.0 mi away 8 LINWOOD AVENUE, COLCHESTER, CT, 06415
(860) 537-5752
Eastern Connecticut State University
College 16.2 mi away 83 Windham St, Willimantic, CT, 06226
8604655000
OTIS LIBRARY
Library 9.9 mi away 261 MAIN ST., NORWICH, CT, 06360
(860) 889-2365
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at NORWICH PUBLIC UTILITY PLT, CT US, located 10.3 miles from ZCTA5 06420. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 37.7° 21.2° 29.5° 3.89" 9.0"
February 40.5° 22.9° 31.7° 3.75" 7.1"
March 47.8° 29.4° 38.6° 5.09" 5.0"
April 59.3° 39.1° 49.2° 4.71" 0.8"
May 69.9° 48.9° 59.4° 3.64" 0.0"
June 78.4° 58.5° 68.4° 4.27" 0.0"
July 84.1° 64.8° 74.4° 3.63" 0.0"
August 82.6° 62.7° 72.6° 4.41" 0.0"
September 75.5° 54.9° 65.2° 4.79" 0.0"
October 63.9° 43.6° 53.8° 4.86" 0.0"
November 53.0° 34.3° 43.6° 4.17" 0.3"
December 43.2° 27.0° 35.1° 4.97" 5.6"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Colchester CDP CDP 7.2 mi —
Oxoboxo River CDP CDP 7.4 mi —
Moodus CDP CDP 9.2 mi —
Norwich city City 9.6 mi —
Gales Ferry CDP CDP 10.1 mi —
Essex Village CDP CDP 11.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 06420. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.