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06423 ZIP Code

East Haddam, Connecticut

December 19, 2025
ZIP Code:06423
City/Town:East Haddam
County:Lower Connecticut River Valley
State:Connecticut
ZIP Type:Standard
Population:4,887
Median Household Income:$108,250
Per Capita Income:$57,787
Total Housing Units:2,248
Median Home Value:$351,900
Land Area:36.6 sq miles
94.7 sq km
Water Area:1.7 sq miles
4.4 sq km
Coordinates:41.4566, -72.3914

Population Information (06423 zip code)

#%US
Total Population:4,887----
Male:2,55752.3%49.6%
Female:2,33047.7%50.4%
Median Age:50.6 yrs--38.5 yrs
Under 5 years:2224.5%5.7%
5 to 9 years:2485.1%6.0%
10 to 14 years:3988.1%6.5%
15 to 19 years:2054.2%6.6%
20 to 24 years:1593.3%6.7%
25 to 34 years:4248.7%13.7%
35 to 44 years:54811.2%12.9%
45 to 54 years:4158.5%12.4%
55 to 59 years:52310.7%6.5%
60 to 64 years:4328.8%6.4%
65 to 74 years:75615.5%9.7%
75 to 84 years:4819.8%4.8%
85 years and over:761.6%2.0%

Housing Information (06423 zip code)

#%US
Median home value:$351,900--$281,900
Median rooms:6.4--5.5
Median rent:$1,597 / mo.--$1,268 / mo.
Total housing units:2,248----
Occupied housing units:2,00889.3%38.0%
Vacant housing units:24010.7%4.6%
Housing tenure:------
Owner-occupied:1,87593.4%64.8%
Renter-occupied:1336.6%35.2%

Educational Attainment (06423 zip code)

#%US
Population 25 years and over:3,655----
Less than 9th grade:521.4%4.7%
9th to 12th grade, no diploma:320.9%6.1%
High school graduate:94425.8%26.4%
Some college, no degree:52714.4%19.7%
Associate degree:44012.0%8.7%
Bachelor's degree:94325.8%20.9%
Graduate or professional degree:71719.6%13.7%
Percent high school graduate or higher:--97.7%89.1%
Percent bachelor's degree or higher:--45.4%34.3%

Income Information (06423 zip code)

ValueUS
Median household income:$108,250 / yr.$75,149 / yr.
Mean household income:$148,695 / yr.$105,833 / yr.
Median family income:$118,750 / yr.$92,646 / yr.
Per capita income:$57,787 / yr.$41,261 / yr.

Employment (06423 zip code)

#%US
In labor force:2,614--63.5%
Employed:2,47996.1%96.4%
Unemployed:1003.9%5.3%
Not in labor force:1,405----
Class of Worker:------
Private wage and salary:1,94778.5%79.7%
Government workers:29812.0%14.2%
Self-employed:1747.0%5.9%
Unpaid family workers:602.4%0.1%

Race & Ethnicity (06423 zip code)

#%US
Race (one race):------
White:4,57993.7%61.6%
Black or African American:200.4%12.4%
American Indian/Alaska Native:00.0%1.1%
Asian:90.2%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:00.0%8.4%
Two or more races:2795.7%10.2%
Hispanic or Latino (any race):2555.2%18.7%
Mexican:1974.0%11.2%
Puerto Rican:881.8%1.8%
Cuban:791.6%0.7%
Other Hispanic or Latino:00.0%5.0%
Not Hispanic or Latino:300.6%81.1%

Income Distribution (06423 zip code)

Household IncomeHouseholds%US
Less than $10,000:231.1%4.9%
$10,000 to $14,999:80.4%3.8%
$15,000 to $24,999:22011.0%7.0%
$25,000 to $34,999:834.1%7.4%
$35,000 to $49,999:633.1%10.7%
$50,000 to $74,999:1165.8%16.1%
$75,000 to $99,999:27613.7%12.8%
$100,000 to $149,999:64932.3%17.1%
$150,000 to $199,999:1909.5%8.8%
$200,000 or more:38018.9%11.4%

Commute to Work (06423 zip code)

Commute MethodWorkers%US
Drove alone:1,74070.2%67.8%
Carpooled:1706.9%8.7%
Public transportation:100.4%4.2%
Walked:00.0%2.5%
Other means:00.0%0.9%
Worked from home:49620.0%13.8%
Mean travel time to work:35.6 min--26.7 min

Industry (06423 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:552.2%1.6%
Construction:2148.6%6.9%
Manufacturing:35014.1%10.0%
Wholesale trade:251.0%2.4%
Retail trade:2178.8%11.0%
Transportation, warehousing, utilities:1054.2%5.8%
Information:552.2%1.9%
Finance, insurance, real estate:1295.2%6.7%
Professional, scientific, management:32513.1%12.1%
Education, health care, social services:66927.0%23.3%
Arts, entertainment, food services:1847.4%9.0%
Other services:1154.6%4.7%
Public administration:361.5%4.7%

Poverty Status (06423 zip code)

#%US
Poverty Rate:--6.0%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (06423 zip code)

#%US
With health insurance:4,79398.1%91.3%
Private health insurance:3,66675.0%67.6%
Public health coverage:1,88138.5%35.9%
Without health insurance:591.2%8.7%

Benefits & Assistance (06423 zip code)

Households with:#%US
Earnings:1,52776.0%77.4%
Social Security income:89844.7%31.0%
Retirement income:59729.7%21.8%
Supplemental Security Income (SSI):492.4%4.5%
Cash public assistance income:402.0%1.8%
SNAP (food stamps) benefits:351.7%11.4%

Housing Types (06423 zip code)

Structure TypeUnits%US
1-unit, detached:2,12394.4%61.4%
1-unit, attached:301.3%6.1%
2 units:713.2%3.4%
3 or 4 units:241.1%4.3%
5 to 9 units:00.0%4.6%
10 to 19 units:00.0%4.3%
20 or more units:00.0%9.9%
Mobile home:00.0%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (06423 zip code)

Year BuiltUnits%US
Built 2020 or later:00.0%0.6%
Built 2010 to 2019:1024.5%8.2%
Built 2000 to 2009:26511.8%13.5%
Built 1990 to 1999:40518.0%13.2%
Built 1980 to 1989:35916.0%13.2%
Built 1970 to 1979:1918.5%14.6%
Built 1960 to 1969:1938.6%10.2%
Built 1950 to 1959:25211.2%9.9%
Built 1940 to 1949:150.7%4.6%
Built 1939 or earlier:46620.7%12.0%

Bedrooms (06423 zip code)

Number of BedroomsUnits%US
No bedroom (studio):00.0%2.4%
1 bedroom:1104.9%3.0%
2 bedrooms:54024.0%9.1%
3 bedrooms:94842.2%15.9%
4 bedrooms:53023.6%18.8%
5 or more bedrooms:1205.3%17.6%

Heating Fuel (06423 zip code)

Fuel TypeUnits%US
Utility gas:532.6%47.1%
Bottled, tank, or LP gas:1839.1%4.9%
Electricity:1015.0%40.2%
Fuel oil, kerosene, etc.:1,52175.7%4.2%
Coal or coke:00.0%0.1%
Wood:1135.6%1.5%
Solar energy:00.0%0.1%
Other fuel:00.0%0.5%
No fuel used:371.8%0.2%

Vehicles Available (06423 zip code)

VehiclesHouseholds%US
No vehicle available:00.0%8.3%
1 vehicle available:41020.4%32.6%
2 vehicles available:91745.7%37.0%
3 or more vehicles available:68133.9%22.1%

Home Value Distribution (06423 zip code)

Value RangeOwner Units%US
Less than $50,000:502.7%5.7%
$50,000 to $99,999:201.1%7.8%
$100,000 to $149,999:191.0%9.2%
$150,000 to $199,999:1658.8%10.8%
$200,000 to $299,999:28115.0%19.9%
$300,000 to $499,999:1,04255.6%24.1%
$500,000 to $999,999:29815.9%17.0%
$1,000,000 or more:00.0%5.6%

Housing Costs (06423 zip code)

ValueUS
Median owner costs (with mortgage):$2,291 / mo.$1,828 / mo.
Median owner costs (no mortgage):$845 / mo.$584 / mo.
Median gross rent:$1,597 / mo.$1,268 / mo.
Average household size (owner-occupied):2.422.53
Average household size (renter-occupied):2.292.38

Households (06423 zip code)

#%US
Total households:2,008----
Married-couple households:1,18058.8%47.5%
Cohabiting couple households:33916.9%7.0%
Male householder, no spouse:40520.2%5.4%
Female householder, no spouse:26813.3%12.7%
Householder living alone:48724.3%28.6%
65 years and over living alone:94947.3%11.8%
Average household size:2.41--2.53
Average family size:2.74----

Marital Status (06423 zip code)

Population 15 years and over#%US
Total:2,032----
Never married:49924.6%37.0%
Now married:1,35266.5%49.5%
Separated:130.6%1.5%
Widowed:1688.3%2.6%
Divorced:47123.2%9.3%

School Enrollment (06423 zip code)

Population 3 years and over#%US
Enrolled in school:1,174----
Nursery school, preschool:1089.2%5.8%
Kindergarten:423.6%5.0%
Elementary school (grades 1-8):55647.4%40.5%
High school (grades 9-12):15212.9%21.4%
College or graduate school:31626.9%27.3%

Veterans & Disability (06423 zip code)

#%US
Civilian population 18 years and over:3,905----
Veterans:49312.6%6.3%
Civilian noninstitutionalized population:4,852----
With a disability:49110.1%13.4%
Under 18 with disability:112.2%5.8%
18 to 64 with disability:11723.8%10.4%
65 and over with disability:36373.9%33.4%

Mobility (Residence 1 Year Ago) (06423 zip code)

Population 1 year and over#%US
Same house:4,43690.8%86.9%
Different house:4308.8%13.1%
Same county:5713.3%7.0%
Different county:32776.0%3.2%
Different state:5512.8%2.5%
Abroad:4610.7%0.4%

Place of Birth (06423 zip code)

#%US
Native born:4,63294.8%86.2%
Foreign born:370.8%13.9%
Naturalized citizen:255689.2%52.7%
Not a citizen:255689.2%47.3%
Foreign-born by region:------
Europe:255689.2%10.5%
Asia:96259.5%31.3%
Africa:00.0%5.5%
Oceania:2567.6%0.5%
Latin America:56151.4%50.0%
Northern America:78210.8%2.2%

Language Spoken at Home (06423 zip code)

Population 5 years and over#%US
Total:4,665----
English only:4,24190.9%78.3%
Language other than English:4249.1%21.5%
By language:------
Spanish:922.0%13.3%
Other Indo-European languages:3246.9%3.5%
Asian/Pacific Island languages:00.0%3.5%
Other languages:80.2%1.0%

Computers & Internet (06423 zip code)

Households%US
Households with a computer:2,008100.0%93.1%
Households with broadband internet:1,85892.5%89.4%