06415 ZIP Code — Colchester, CT

New London County, Connecticut

ZIP code 06415 is located in Colchester, Connecticut, within New London County. It covers approximately 55.97 square miles and serves a population of 16,130 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860/959.

About ZIP code 06415

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $317,400. Owner-occupancy is high at 81%, well above the national average.

Median household income is $115,339. The poverty rate of 4% is below the national average. 32% 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 32 minutes is near the national average.

Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 06415 reflects a community defined by high homeownership and a significant Social Security-dependent population.

16,130

population

55.97

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06415 ZIP code map

Cities in ZIP code 06415

Below are the cities the US Postal Service accepts for ZIP code 06415. Using any city not on this list may result in mail delivery delays.

City	Status
Colchester	Preferred

Nearby ZIP codes

06423 East Haddam (5.5 mi) 06420 Salem (5.7 mi) 06469 Moodus (5.8 mi) 06231 Amston (5.9 mi) 06249 Lebanon (7.5 mi) 06336 Gilman (7.9 mi) 06424 East Hampton (8 mi) 06334 Bozrah (8.6 mi) 06370 Oakdale (9.6 mi) 06248 Hebron (10.2 mi) 06237 Columbia (10.2 mi) 06438 Haddam (10.3 mi)

Demographics updated 05/2026

Population
Total population	16,130
Population density	288 / sq mi
State FIPS	09
County FIPS	011

Geography
Land area	55.97 sq mi
Water area	1.09 sq mi
Latitude	41.5468
Longitude	-72.3429
Timezone	Eastern (ET)
Area code	860/959

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.5%	32.0%	32.0%
$50k – $100k	24.1%	30.8%	27.7%
$100k – $200k	40.5%	28.0%	27.1%
Over $200k	12.0%	9.2%	13.2%

Demographics & statistics

16,130

Population

288

People per sq mi

42.9

Median age

$115,339

Median household income

$53,055

Per capita income

$317,400

Median home value

$1,276

Median monthly rent

80.8%

Home ownership

4.4%

Poverty rate

3.1%

Unemployment

5,711

Housing units

45.6%

Bachelor's or higher

Age distribution

Male Female

643

Under 5

626

360

5–9

351

514

10–14

500

491

15–19

478

306

20–24

298

889

25–34

865

1,082

35–44

1,054

1,106

45–54

1,076

696

55–59

677

673

60–64

655

783

65–74

762

475

75–84

462

156

85+

152

← Male

Female →

Age summary

Group	Count	%
Under 18	3,727	23.1%
18 and over	12,403	76.9%
65 and over	2,790	17.3%
Median age	42.9 years

Race & ethnicity

White 90%

Two or more races 3.1%

Hispanic or Latino 2.4%

Black or African American 2.1%

Asian 1.3%

Other race 1.2%

Group	Count	%
White	14,870	90%
Two or more races	516	3.1%
Hispanic or Latino	394	2.4%
Black or African American	345	2.1%
Asian	207	1.3%
Other race	192	1.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.5%	32.0%	32.0%
$50k – $100k	24.1%	30.8%	27.7%
$100k – $200k	40.5%	28.0%	27.1%
Over $200k	12.0%	9.2%	13.2%

Under $10k 2.4%

$10k–$15k 3.2%

$15k–$25k 3.6%

$25k–$35k 4.7%

$35k–$50k 6.4%

$50k–$75k 11.3%

$75k–$100k 11.1%

$100k–$150k 22.3%

$150k–$200k 15.1%

$200k+ 19.9%

Range	% of households
Under $10k	2.4%
$10k–$15k	3.2%
$15k–$25k	3.6%
$25k–$35k	4.7%
$35k–$50k	6.4%
$50k–$75k	11.3%
$75k–$100k	11.1%
$100k–$150k	22.3%
$150k–$200k	15.1%
$200k+	19.9%
Median income	$115,339

Housing

Home values

Under $50k 1.7%

$50k–$100k 0.9%

$100k–$150k 3.0%

$150k–$200k 3.9%

$200k–$300k 35.5%

$300k–$500k 49.9%

$500k–$1M 4.1%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$317,400
Median rent / month	$1,276
Owner occupied	80.8%
Renter occupied	19.2%
Vacant	8.6%
Single-family detached	78.6%
Large apartment buildings	0.5%
Mobile homes	1.0%
Median rooms	6.0
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.3%
2010–2019	3.6%
2000–2009	11.3%
1990–1999	17.1%
1980–1989	25.6%
1970–1979	14.1%
1960–1969	7.0%
1950–1959	9.6%
1940–1949	1.5%
1939 or earlier	9.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	8.1%
2 bedrooms	26.5%
3 bedrooms	42.5%
4 bedrooms	19.8%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	2.8%
1 vehicle	23.7%
2 vehicles	47.1%
3 or more	26.4%

Heating fuel

Fuel type	%
Utility gas	3.1%
Electricity	9.9%
Propane / LP gas	13.0%
Fuel oil	67.4%
Wood	4.0%
Solar	0.6%

Households & families

Household type	Count	%
Married-couple family	3,890	61.4%
Cohabiting couple	314	5.0%
Male householder, no spouse	877	13.8%
Female householder, no spouse	1,253	19.8%
Households with children under 18	1,948	30.8%
Households with seniors (65+)	1,935	30.5%
Average household size	2.51

Marital status

Status	Male	Female
Never married	25.2%	19.7%
Married	62.8%	60.5%
Separated	0.9%	0.7%
Widowed	2.8%	6.8%
Divorced	8.3%	12.2%

Education

Less than 9th grade 1.6%

Some HS, no diploma 2.4%

HS graduate 24.1%

Some college, no degree 17.5%

Associate's degree 8.9%

Bachelor's degree 25.7%

Graduate / professional 19.9%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	45.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	435	12.4%
Kindergarten	112	3.2%
Elementary school	1,330	37.9%
High school	986	28.1%
College / grad school	646	18.4%

Employment

Industry of employment

Education & healthcare 30.4%

Manufacturing 13.3%

Retail trade 8.8%

Finance & real estate 8.4%

Arts, food & hospitality 8.3%

Professional & management 7.6%

Construction 6.1%

Public administration 5.1%

Transportation & utilities 3.5%

Other services 3.3%

Wholesale trade 2.4%

Information 2.2%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	57.4%
Service	13.6%
Sales & office	12.9%
Natural resources & construction	6.8%
Production & transportation	9.3%

Employment type

Type	%
Private sector	73.3%
Government	23.5%
Self-employed	3.1%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	75.5%
Carpool	6.8%
Public transit	0.2%
Walk	0.9%
Work from home	14.7%
Other means	1.8%
Avg commute (minutes)	32.2

Poverty

All people 4.4%

Under 18 years 3.5%

18 and over 4.7%

Married-couple families 1.0%

Female-led households 12.2%

Income support

Source	% of households
Social Security	32.1%
Retirement income	30.9%
Supplemental Security	1.5%
Cash public assistance	1.6%
Food stamps / SNAP	4.7%

Health indicators

Condition	%
Obesity	30.0%
High blood pressure	28.6%
High cholesterol	31.6%
Diabetes	7.3%
Heart disease	5.3%
Stroke	2.3%
Asthma	10.5%
Arthritis	22.3%
Kidney disease	2.3%
Pulmonary disease	5.5%
Cancer	6.7%

Behavior / access	%
Smoking	15.0%
Binge drinking	17.8%
No physical activity	15.3%
Less than 7 hrs sleep	33.0%
Depression	21.8%
Fair or poor health	9.1%
Poor mental health	13.7%
Poor physical health	7.9%
No health insurance	7.0%
Visited doctor (checkup)	76.5%
Visited dentist	76.1%
Cholesterol screening	92.5%
Teeth loss	8.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,039	8.4%

Disability	%
Any disability	10.7%
Under 18	0.3%
18–64 years	8.7%
65 and over	32.8%

Health insurance coverage

Type	%
Private insurance	83.8%
Public insurance	28.2%
No insurance	0.9%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,861	92.1%
Spanish	216	1.5%
Other Indo-European	57	0.4%
Asian & Pacific Islander	93	0.6%
Other languages	66	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,311	94.9%
Born in same state	15,206	94.3%
Born in different state	10,641	66.0%
Foreign born	105	0.7%
Naturalized citizen	819	5.1%
Not a US citizen	457	55.8%

Ancestry

Ancestry	Count	%
Italian	3,073	19.1%
French	2,565	15.9%
Arab	922	5.7%
German	886	5.5%
English	237	1.5%

Ancestry	Count	%
Norwegian	121	0.8%
Dutch	83	0.5%
Irish	67	0.4%
Polish	61	0.4%

Technology access

Metric	% of households
Computer access	39.3%
Internet access	94.1%

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

Frequently asked questions about ZIP code 06415

What city is ZIP code 06415 in?

ZIP code 06415 is primarily assigned to Colchester, Connecticut.

What county is ZIP code 06415 in?

ZIP code 06415 falls within New London County, Connecticut.

Is ZIP code 06415 mostly owner-occupied?

81% of occupied units in ZIP code 06415 are owner-occupied, well above the national average.

How educated is the population of ZIP code 06415?

46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 06415?

The median household income in ZIP code 06415 is $115,339, above the national median of ~$75,000.

What is the typical home value in ZIP code 06415?

The median home value in ZIP code 06415 is $317,400.

What timezone is ZIP code 06415 in?

ZIP code 06415 observes the EST timezone.