06371 ZIP Code — Old Lyme, CT

New London County, Connecticut

ZIP code 06371 is located in Old Lyme, Connecticut, within New London County. It covers approximately 54.00 square miles and serves a population of 9,972 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860.

About ZIP code 06371

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $463,900. Owner-occupancy is high at 86%, well above the national average.

The gap between median ($122,003) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average. Remote work is prevalent — 23% of workers work from home.

Educational attainment is high — 55% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 06371 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

9,972

population

54.00

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06371 ZIP code map

Cities in ZIP code 06371

Below are the cities the US Postal Service accepts for ZIP code 06371. Using any city not on this list may result in mail delivery delays.

City	Status
Old Lyme	Acceptable
Old Lyme	Preferred

Nearby ZIP codes

06426 Essex (3.2 mi) 06409 Centerbrook (3.8 mi) 06475 Old Saybrook (4.7 mi) 06442 Ivoryton (5.5 mi) 06333 East Lyme (5.5 mi) 06417 Deep River (5.8 mi) 06357 Niantic (6.9 mi) 06498 Westbrook (7.3 mi) 06412 Chester (7.9 mi) 06423 East Haddam (8.5 mi) 06385 Waterford (9.4 mi) 06420 Salem (9.5 mi)

Demographics updated 05/2026

Population
Total population	9,972
Population density	185 / sq mi
State FIPS	09
County FIPS	011

Geography
Land area	54.00 sq mi
Water area	5.66 sq mi
Latitude	41.3592
Longitude	-72.3412
Timezone	Eastern (ET)
Area code	860

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.2%	32.0%	32.0%
$50k – $100k	24.0%	30.8%	27.7%
$100k – $200k	28.9%	28.0%	27.1%
Over $200k	23.9%	9.2%	13.2%

Demographics & statistics

9,972

Population

185

People per sq mi

49.6

Median age

$122,003

Median household income

$77,340

Per capita income

$463,900

Median home value

$1,731

Median monthly rent

85.9%

Home ownership

3.2%

Poverty rate

3.7%

Unemployment

4,953

Housing units

55.0%

Bachelor's or higher

Age distribution

Male Female

264

Under 5

261

220

5–9

217

299

10–14

295

282

15–19

278

255

20–24

252

309

25–34

306

539

35–44

533

769

45–54

761

399

55–59

394

430

60–64

426

822

65–74

813

318

75–84

315

108

85+

107

← Male

Female →

Age summary

Group	Count	%
Under 18	1,965	19.7%
18 and over	8,007	80.3%
65 and over	2,483	24.9%
Median age	49.6 years

Race & ethnicity

White 85.6%

Hispanic or Latino 5.3%

Two or more races 4.8%

Asian 2.2%

Other race 1.2%

Black or African American 0.8%

American Indian / Alaska Native 0.2%

Group	Count	%
White	9,012	85.6%
Hispanic or Latino	554	5.3%
Two or more races	504	4.8%
Asian	229	2.2%
Other race	131	1.2%
Black or African American	80	0.8%
American Indian / Alaska Native	16	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.2%	32.0%	32.0%
$50k – $100k	24.0%	30.8%	27.7%
$100k – $200k	28.9%	28.0%	27.1%
Over $200k	23.9%	9.2%	13.2%

Under $10k 1.9%

$10k–$15k 0.9%

$15k–$25k 4.9%

$25k–$35k 3.8%

$35k–$50k 6.1%

$50k–$75k 8.6%

$75k–$100k 10.5%

$100k–$150k 24.0%

$150k–$200k 12.2%

$200k+ 27.2%

Range	% of households
Under $10k	1.9%
$10k–$15k	0.9%
$15k–$25k	4.9%
$25k–$35k	3.8%
$35k–$50k	6.1%
$50k–$75k	8.6%
$75k–$100k	10.5%
$100k–$150k	24.0%
$150k–$200k	12.2%
$200k+	27.2%
Median income	$122,003

Housing

Home values

Under $50k 0.9%

$50k–$100k 1.6%

$100k–$150k 0.3%

$150k–$200k 1.5%

$200k–$300k 8.1%

$300k–$500k 45.9%

$500k–$1M 33.6%

$1M+ 7.9%

Housing overview

Metric	Value
Median home value	$463,900
Median rent / month	$1,731
Owner occupied	85.9%
Renter occupied	14.1%
Vacant	27.9%
Single-family detached	88.5%
Large apartment buildings	0.1%
Mobile homes	2.4%
Median rooms	6.6
Avg household size (owned)	2.56

Year built

Era	%
2020 or later	0.1%
2010–2019	2.5%
2000–2009	6.9%
1990–1999	10.2%
1980–1989	12.3%
1970–1979	13.3%
1960–1969	10.0%
1950–1959	10.1%
1940–1949	9.9%
1939 or earlier	24.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	5.2%
2 bedrooms	18.3%
3 bedrooms	41.8%
4 bedrooms	29.5%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	23.3%
2 vehicles	43.8%
3 or more	32.1%

Heating fuel

Fuel type	%
Utility gas	1.8%
Electricity	14.7%
Propane / LP gas	12.9%
Fuel oil	66.1%
Wood	3.5%

Households & families

Household type	Count	%
Married-couple family	2,389	60.1%
Cohabiting couple	252	6.3%
Male householder, no spouse	480	12.1%
Female householder, no spouse	852	21.4%
Households with children under 18	1,185	29.8%
Households with seniors (65+)	1,761	44.3%
Average household size	2.50

Marital status

Status	Male	Female
Never married	27.0%	18.4%
Married	60.4%	58.7%
Separated	0.3%	0.8%
Widowed	3.2%	10.2%
Divorced	9.1%	11.9%

Education

Less than 9th grade 0.9%

Some HS, no diploma 2.2%

HS graduate 17.0%

Some college, no degree 15.7%

Associate's degree 9.3%

Bachelor's degree 26.4%

Graduate / professional 28.5%

Metric	%
HS diploma or higher	96.9%
Bachelor's or higher	55.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	320	15.3%
Kindergarten	78	3.7%
Elementary school	757	36.2%
High school	638	30.5%
College / grad school	297	14.2%

Employment

Industry of employment

Education & healthcare 23.7%

Professional & management 13.9%

Manufacturing 13.4%

Arts, food & hospitality 11.4%

Retail trade 9.6%

Construction 8.1%

Finance & real estate 6.8%

Transportation & utilities 3.5%

Wholesale trade 3.0%

Other services 2.6%

Public administration 2.3%

Information 1.2%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	52.8%
Service	15.9%
Sales & office	17.8%
Natural resources & construction	7.8%
Production & transportation	5.6%

Employment type

Type	%
Private sector	79.1%
Government	11.9%
Self-employed	8.9%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	68.9%
Carpool	4.3%
Public transit	2.2%
Walk	1.2%
Work from home	22.5%
Other means	0.9%
Avg commute (minutes)	26.4

Poverty

All people 3.2%

Under 18 years 2.6%

18 and over 3.4%

Married-couple families 1.0%

Female-led households 6.0%

Income support

Source	% of households
Social Security	42.2%
Retirement income	29.7%
Supplemental Security	2.8%
Cash public assistance	0.9%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
Obesity	28.0%
High blood pressure	33.4%
High cholesterol	36.4%
Diabetes	8.5%
Heart disease	6.9%
Stroke	2.7%
Asthma	9.8%
Arthritis	26.7%
Kidney disease	2.8%
Pulmonary disease	5.9%
Cancer	9.2%

Behavior / access	%
Smoking	11.6%
Binge drinking	15.1%
No physical activity	14.5%
Less than 7 hrs sleep	30.0%
Depression	19.6%
Fair or poor health	8.9%
Poor mental health	11.4%
Poor physical health	7.9%
No health insurance	5.7%
Visited doctor (checkup)	79.9%
Visited dentist	79.6%
Cholesterol screening	94.9%
Teeth loss	6.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	510	6.4%

Disability	%
Any disability	8.3%
Under 18	3.6%
18–64 years	4.4%
65 and over	20.7%

Health insurance coverage

Type	%
Private insurance	76.6%
Public insurance	34.5%
No insurance	3.2%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,447	94.7%
Spanish	265	2.8%
Other Indo-European	167	1.8%
Asian & Pacific Islander	87	0.9%
Other languages	11	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,252	92.8%
Born in same state	9,064	90.9%
Born in different state	5,085	51.0%
Foreign born	188	1.9%
Naturalized citizen	720	7.2%
Not a US citizen	341	47.4%

Ancestry

Ancestry	Count	%
Italian	1,920	19.3%
French	1,853	18.6%
Arab	591	5.9%
Polish	173	1.7%
Norwegian	168	1.7%

Ancestry	Count	%
English	156	1.6%
German	149	1.5%
Dutch	85	0.9%
Irish	56	0.6%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	97.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 06371

What city is ZIP code 06371 in?

ZIP code 06371 is primarily assigned to Old Lyme, Connecticut.

What county is ZIP code 06371 in?

ZIP code 06371 falls within New London County, Connecticut.

How educated is the population of ZIP code 06371?

55% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 06371 mostly owner-occupied?

86% of occupied units in ZIP code 06371 are owner-occupied, well above the national average.

Does ZIP code 06371 have a large retiree population?

42% of households in ZIP code 06371 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 06371?

The median home value in ZIP code 06371 is $463,900.

What timezone is ZIP code 06371 in?

ZIP code 06371 observes the EST timezone.