Sterling ZIP Code List — Windham County, CT

There is one unique ZIP code in Sterling, Connecticut and it is 06377. Area code: 860/959.

ZIP codes

16.18

sq mi land

0.03

sq mi water

860/959

area code

Sterling, CT ZIP code map

About Sterling, CT

Sterling is a quaint town located in Windham County, Connecticut. It is known for its picturesque landscapes and small-town charm. The community offers a peaceful environment that is perfect for both residents and visitors alike.

Location & geography

Sterling covers a total land area of 16.18 square miles, with a minuscule water area of 0.03 square miles. It is situated in the northeastern part of Connecticut and is bordered by several towns, including Thompson to the north, Plainfield to the south, and Killingly to the east. The region is primarily characterized by rolling hills and green spaces, with its rural setting contributing to the area's natural beauty.

Community & economy

The community of Sterling comprises a close-knit population that values its historical roots and local culture. It is largely residential, with small businesses and farms contributing to the local economy. Daily life in Sterling is relaxed, with residents enjoying outdoor activities and community events throughout the year.

Transportation

Sterling is accessible via major highways, including Interstate 395, which runs to the west of the town, providing convenient connections to surrounding areas. The nearest airport is the Windham Airport, located a few miles away, catering mainly to general aviation. Public transportation options are limited, so residents typically rely on personal vehicles for commuting.

History

Sterling was originally settled in the early 18th century and was incorporated in 1786. The town's economy historically relied on agriculture and manufacturing, with several local mills playing a crucial role in its development. Over the years, Sterling has maintained its rural character while fostering a sense of community among its residents.

Did you know?

One surprising fact about Sterling is that it hosts a number of annual events that celebrate local heritage, including community fairs and agricultural showcases. Additionally, the town's serene environment makes it a popular spot for outdoor enthusiasts who enjoy hiking and fishing.

ZIP codes for Sterling, CT (1)

ZIP code	City	County	Map
06377	Sterling	Windham	View map

Demographics & statistics

3,032

Population

33.8

Median age

$84,593

Median household income

$36,494

Per capita income

$254,300

Median home value

$1,572

Median monthly rent

76.3%

Home ownership

17.3%

Poverty rate

5.9%

Unemployment

784

Housing units

10.7%

Bachelor's or higher

Age distribution

Male Female

138

Under 5

5–9

10–14

201

15–19

144

221

20–24

158

277

25–34

199

114

35–44

239

45–54

171

136

55–59

112

60–64

161

65–74

116

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	692	22.8%
18 and over	2,340	77.2%
65 and over	382	12.6%
Median age	33.8 years

Race & ethnicity

White 67.9%

Two or more races 13.3%

Hispanic or Latino 10%

Other race 3.6%

American Indian / Alaska Native 2.4%

Asian 1.4%

Black or African American 1.3%

Group	Count	%
White	2,288	67.9%
Two or more races	449	13.3%
Hispanic or Latino	338	10%
Other race	120	3.6%
American Indian / Alaska Native	82	2.4%
Asian	48	1.4%
Black or African American	45	1.3%

Household income

Under $10k 0.9%

$10k–$15k 4.4%

$15k–$25k 4.4%

$25k–$35k 8.6%

$35k–$50k 9.2%

$50k–$75k 16.7%

$75k–$100k 12.6%

$100k–$150k 22.0%

$150k–$200k 15.4%

$200k+ 5.8%

Range	% of households
Under $10k	0.9%
$10k–$15k	4.4%
$15k–$25k	4.4%
$25k–$35k	8.6%
$35k–$50k	9.2%
$50k–$75k	16.7%
$75k–$100k	12.6%
$100k–$150k	22.0%
$150k–$200k	15.4%
$200k+	5.8%
Median income	$84,593

Housing

Home values

Under $50k 2.9%

$50k–$100k 0.5%

$100k–$150k 2.5%

$150k–$200k 19.1%

$200k–$300k 48.5%

$300k–$500k 24.3%

$500k–$1M 2.2%

Housing overview

Metric	Value
Median home value	$254,300
Median rent / month	$1,572
Owner occupied	76.3%
Renter occupied	23.8%
Vacant	5.1%
Single-family detached	82.1%
Large apartment buildings	0.0%
Mobile homes	4.3%
Median rooms	5.7
Avg household size (owned)	3.04

Year built

Era	%
2020 or later	0.8%
2010–2019	5.2%
2000–2009	14.9%
1990–1999	12.0%
1980–1989	14.5%
1970–1979	9.0%
1960–1969	5.4%
1950–1959	7.1%
1940–1949	0.0%
1939 or earlier	31.0%

Bedrooms

Size	% of units
No bedroom (studio)	3.4%
1 bedroom	2.7%
2 bedrooms	23.8%
3 bedrooms	51.8%
4 bedrooms	15.2%
5+ bedrooms	3.2%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	28.2%
2 vehicles	44.4%
3 or more	25.4%

Heating fuel

Fuel type	%
Utility gas	3.6%
Electricity	1.7%
Propane / LP gas	6.1%
Fuel oil	73.8%
Wood	14.8%

Households & families

Household type	Count	%
Married-couple family	537	55.9%
Cohabiting couple	61	6.4%
Male householder, no spouse	94	9.8%
Female householder, no spouse	268	27.9%
Households with children under 18	383	39.9%
Households with seniors (65+)	280	29.2%
Average household size	3.16

Marital status

Status	Male	Female
Never married	43.4%	19.0%
Married	46.6%	55.5%
Separated	0.0%	2.1%
Widowed	1.4%	3.0%
Divorced	8.6%	20.4%

Education

Less than 9th grade 2.0%

Some HS, no diploma 5.1%

HS graduate 36.6%

Some college, no degree 36.3%

Associate's degree 9.3%

Bachelor's degree 7.3%

Graduate / professional 3.4%

Metric	%
HS diploma or higher	92.8%
Bachelor's or higher	10.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	67	10.9%
Kindergarten	34	5.5%
Elementary school	149	24.2%
High school	286	46.4%
College / grad school	80	13.0%

Employment

Industry of employment

Manufacturing 19.8%

Education & healthcare 19.1%

Professional & management 13.6%

Retail trade 8.3%

Construction 8.0%

Wholesale trade 7.9%

Finance & real estate 6.4%

Arts, food & hospitality 6.1%

Transportation & utilities 4.1%

Public administration 4.1%

Agriculture & mining 1.3%

Other services 0.9%

Information 0.4%

Occupation

Category	%
Management, business & arts	33.3%
Service	11.8%
Sales & office	21.6%
Natural resources & construction	5.4%
Production & transportation	27.8%

Employment type

Type	%
Private sector	86.8%
Government	9.4%
Self-employed	3.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.8%
Carpool	3.0%
Public transit	0.0%
Walk	0.3%
Other means	0.0%
Avg commute (minutes)	35.2

Poverty

All people 17.3%

Under 18 years 33.8%

18 and over 12.4%

Married-couple families 2.6%

Female-led households 22.2%

Income support

Source	% of households
Social Security	36.1%
Retirement income	24.0%
Supplemental Security	8.3%
Cash public assistance	6.3%
Food stamps / SNAP	12.6%

Health indicators

Condition	%
High blood pressure	27.6%
High cholesterol	31.0%
Heart disease	4.7%
Stroke	2.2%
Asthma	10.6%
Arthritis	22.1%
Kidney disease	2.1%
Pulmonary disease	5.8%
Cancer	5.6%

Behavior / access	%
Binge drinking	20.3%
No physical activity	20.4%
Less than 7 hrs sleep	35.0%
Fair or poor health	10.8%
Poor mental health	15.3%
Poor physical health	9.0%
No health insurance	8.7%
Visited doctor (checkup)	74.9%
Visited dentist	70.6%
Cholesterol screening	90.3%
Teeth loss	10.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	208	8.9%

Disability	%
Any disability	14.5%
Under 18	5.9%
18–64 years	15.3%
65 and over	26.2%

Health insurance coverage

Type	%
Private insurance	56.7%
Public insurance	51.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,795	92.2%
Spanish	123	4.4%
Other Indo-European	123	4.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,970	98.0%
Born in same state	2,867	94.6%
Born in different state	1,305	43.0%
Foreign born	103	3.4%
Naturalized citizen	62	2.0%
Not a US citizen	62	100.0%

Ancestry

Ancestry	Count	%
Italian	460	15.2%
French	425	14%
German	308	10.2%
Arab	29	1%

Ancestry	Count	%
Irish	22	0.7%
Norwegian	17	0.6%
Polish	7	0.2%
Dutch	5	0.2%

Technology access

Metric	% of households
Computer access	31.7%
Internet access	98.0%

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

Frequently asked questions

What is the ZIP code for Sterling, CT?

Sterling, CT has one ZIP code: 06377.

What is the main ZIP code for Sterling, CT?

The primary ZIP code for Sterling, CT is 06377. The city uses area code 860 or 959 for phone service.

What county is Sterling, CT in?

Sterling is located in Windham County, Connecticut.

How many ZIP codes are in Sterling, CT?

Sterling, CT has 1 ZIP code.