US ZIP Code
06423

East Haddam, CT

Lower Connecticut River Valley County  ·  Connecticut

● Active
👥 5,163 Population ↓ 4% since 2019
💰 $106,217 Median HH Income
▲ 39% above avg ↑ 3% since 2019
🎂 50.9 Median Age ↑ 2% since 2019
🏠 $374,300 Median Home Value
▲ 34% above avg ↑ 25% since 2019
🎓 52.6% College Grads
▲ 36% above avg
📊 5.2% Unemployment
≈ Avg ↑ 70% since 2019
ZIP Code Details
ZIP Code06423
CityEast Haddam
StateConnecticut (CT)
CountyLower Connecticut River Valley County
Area Code860/959
Elevation472 ft
Latitude41.456609
Longitude-72.391351
TimezoneNew York (DST)
FIPS09130
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.7% (2,568) Female 50.3% (2,595) ♀

Race & Ethnicity

White: 89.9%Hispanic: 5.5%Asian: 0.2%Other: 4.4%Race
White89.9%
Hispanic5.5%
Asian0.2%
Other4.4%

Age Breakdown

Under 5
5%
5–17
13%
18–24
5%
25–44
22%
45–64
30%
65+
12%

Key Indicators

Median Age50.9 yrs ↑ 2% since 2019
Avg Household Size2.44
Below Poverty6.0% ▼ 40% below avg
College Grads52.6% ▲ 36% above avg
Unemployment5.2% ≈ Avg
No HS Diploma14 (0.4%)
HS Graduate935 (24.3%)
Some College346 (9%)
Associates533 (13.8%)
Bachelors397 (10.3%)
Graduate Degree1,630 (42.3%)

Education

No HS: 0.4%HS Grad: 24.3%Some College: 9%Associates: 13.8%Bachelors: 10.3%Graduate: 42.3%Edu
No HS0.4%
HS Grad24.3%
Some College9.0%
Associates13.8%
Bachelors10.3%
Graduate42.3%
Housing & Income

Housing Tenure

Owner: 94.8%Renter: 5.2%Tenure
Owner94.8%
Renter5.2%

Home Value Distribution

Under $50k
2%
$100k–150k
4%
$150k–200k
9%
$200k–300k
15%
$300k–500k
49%
Over $500k
21%

Financials

Median HH Income$106,217 ▲ 39% above avg ↑ 3% since 2019
Median Home Value$374,300 ▲ 34% above avg ↑ 25% since 2019
Home/Income Ratio3.5x (nat avg ~3.5x)
Median Rent$1,611/mo ↑ 71% since 2019
Total Units2,304
Vacant Units202
Avg HH Size2.44

Income Distribution

Under $25k
8%
$25k–50k
14%
$50k–75k
11%
$75k–100k
12%
$100k–150k
21%
$150k–200k
14%
Over $200k
21%
Employment & Commute

How People Get to Work

Drove Alone
83%
Public Transit
0%
Work From Home
17%

Commute Time

Under 15 min
16%
15–30 min
23%
30–45 min
31%
Over 45 min
31%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
8%
1960s–1970s
16%
1980s–1990s
18%
2000+
57%

Summary

Total Units2,304
Vacant202
Owner Occupied94.8%
Renter Occupied5.2%
Avg HH Size2.44
Frequently Asked Questions
ZIP code 06423 is in East Haddam, CT, in Lower Connecticut River Valley County.
ZIP code 06423 is located in Connecticut (CT).
ZIP code 06423 is in Lower Connecticut River Valley County, CT.
ZIP 06423 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 06423 is 5,163 people (ACS 2023).
The median household income in ZIP code 06423 is $106,217 (ACS 2023).
The median home value in ZIP 06423 is $374,300 (ACS 2023).
About ZIP Code 06423

ZIP code 06423 is located in East Haddam, Connecticut, within Lower Connecticut River Valley County. With a population of 5,163, this is a lightly populated ZIP code with a mature community — the median age is 50.9 years. Economically, 06423 is a upper-middle-income ZIP code: the median household income of $106,217 is above the national average.

Real estate in ZIP code 06423 represents a mid-range housing market. The median home value of $374,300 is above the national average. Renters can expect to pay around $1,611 per month in median rent. Homeownership is strong here — 94.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 25% since 2019.

The population of 06423 is primarily White (89.93%). Residents are well-educated — 52.6% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 6.0%. Household income has grown by 3% since 2019.

The unemployment rate in 06423 stands at 5.2%, which is near the national average. About 15% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 76%.

Overall, ZIP code 06423 in East Haddam, CT is characterized as upper-middle-income, well-educated, a mature community, and predominantly owner-occupied. With 5,163 residents, a median household income of $106,217, and a median home value of $374,300, it offers a clear picture of life in this part of Connecticut.