US ZIP Code
06371

Old Lyme, CT

Lower Connecticut River Valley County  ·  Connecticut

● Active
👥 9,855 Population ↑ 2% since 2019
💰 $127,429 Median HH Income
▲ 67% above avg ↑ 31% since 2019
🎂 51.6 Median Age
🏠 $468,200 Median Home Value
▲ 68% above avg ↑ 14% since 2019
🎓 64.0% College Grads
▲ 65% above avg
📊 3.9% Unemployment
▼ 20% below avg ↓ 32% since 2019
ZIP Code Details
ZIP Code06371
CityOld Lyme
StateConnecticut (CT)
CountyLower Connecticut River Valley County
Area Code860/959
Elevation211 ft
Latitude41.362386
Longitude-72.323754
TimezoneNew York (DST)
FIPS09130
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.4% (4,970) Female 49.6% (4,885) ♀

Race & Ethnicity

White: 89%Hispanic: 3.7%Black: 0.3%Asian: 2.6%Other: 4.2%Race
White89.0%
Hispanic3.7%
Black0.3%
Asian2.6%
Other4.2%

Age Breakdown

Under 5
5%
5–17
14%
18–24
6%
25–44
17%
45–64
32%
65+
14%

Key Indicators

Median Age51.6 yrs
Avg Household Size2.46
Below Poverty2.3% ▼ 77% below avg
College Grads64.0% ▲ 65% above avg
Unemployment3.9% ▼ 20% below avg
No HS Diploma15 (0.2%)
HS Graduate1,087 (15.6%)
Some College457 (6.5%)
Associates953 (13.6%)
Bachelors648 (9.3%)
Graduate Degree3,823 (54.7%)

Education

No HS: 0.2%HS Grad: 15.6%Some College: 6.5%Associates: 13.6%Bachelors: 9.3%Graduate: 54.7%Edu
No HS0.2%
HS Grad15.6%
Some College6.5%
Associates13.6%
Bachelors9.3%
Graduate54.7%
Housing & Income

Housing Tenure

Owner: 88.5%Renter: 11.5%Tenure
Owner88.5%
Renter11.5%

Home Value Distribution

Under $50k
1%
$50k–100k
2%
$100k–150k
0%
$150k–200k
0%
$200k–300k
8%
$300k–500k
48%
Over $500k
41%

Financials

Median HH Income$127,429 ▲ 67% above avg ↑ 31% since 2019
Median Home Value$468,200 ▲ 68% above avg ↑ 14% since 2019
Home/Income Ratio3.7x (nat avg ~3.5x)
Median Rent$1,891/mo ↑ 38% since 2019
Total Units5,503
Vacant Units1,509
Avg HH Size2.46

Income Distribution

Under $25k
7%
$25k–50k
5%
$50k–75k
9%
$75k–100k
13%
$100k–150k
28%
$150k–200k
10%
Over $200k
28%
Employment & Commute

How People Get to Work

Drove Alone
72%
Public Transit
2%
Walked
2%
Work From Home
24%

Commute Time

Under 15 min
28%
15–30 min
34%
30–45 min
21%
Over 45 min
17%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
12%
1960s–1970s
17%
1980s–1990s
12%
2000+
56%

Summary

Total Units5,503
Vacant1,509
Owner Occupied88.5%
Renter Occupied11.5%
Avg HH Size2.46
Frequently Asked Questions
ZIP code 06371 is in Old Lyme, CT, in Lower Connecticut River Valley County.
ZIP code 06371 is located in Connecticut (CT).
ZIP code 06371 is in Lower Connecticut River Valley County, CT.
ZIP 06371 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 06371 is 9,855 people (ACS 2023).
The median household income in ZIP code 06371 is $127,429 (ACS 2023).
The median home value in ZIP 06371 is $468,200 (ACS 2023).
About ZIP Code 06371

ZIP code 06371 is located in Old Lyme, Connecticut, within Lower Connecticut River Valley County. With a population of 9,855, this is a lightly populated ZIP code with a mature community — the median age is 51.6 years. Economically, 06371 is a upper-middle-income ZIP code: the median household income of $127,429 is significantly above the national average.

Real estate in ZIP code 06371 represents a premium housing market. The median home value of $468,200 is significantly above the national average. Renters can expect to pay around $1,891 per month in median rent. Homeownership is strong here — 88.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 14% since 2019.

The population of 06371 is primarily White (88.97%). Residents are highly educated — 64.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 2.3%. Household income has grown by 31% since 2019.

The unemployment rate in 06371 stands at 3.9%, which is below the national average. About 23% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 70%.

Overall, ZIP code 06371 in Old Lyme, CT is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 9,855 residents, a median household income of $127,429, and a median home value of $468,200, it offers a clear picture of life in this part of Connecticut.