PlainZIP

Sterling, CT · standard

ZIP Code 06377

Windham County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

2,962
69/sq mi
$97,308
Median income
$275,900
Median home value
17.7%
Bachelor's or higher

The verdict

Sterling pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 21%
household income, US ZIPs
Top 37%
home value, US ZIPs
69
people per sq mi
77%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06377 against every reporting US ZIP.

ZIP code 06377 covers 43.2 square miles in Sterling, Windham County, Connecticut (a standard USPS delivery area), with a modest 2,962 residents on file, a density of 69 people per square mile, in the New York time zone.

ZIP 06377 lands in the middle-income range, with a median household income of $97,308 (14% below the Connecticut average), while per-capita income is $47,947. Local economic indicators show a 8.5% poverty rate alongside 4.5% unemployment. The typical home here is valued at $275,900 (36% below the state average); renters pay a median of - monthly, and 77.0% of units are owner-occupied.

Educational attainment sits below the national norm: 17.7% of adults hold a bachelor's degree or higher, the median age is 39.9, and the average commute is -. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Windham County, letting you compare 06377 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 06377

Top 5 sectors by establishment count in Sterling, CT

Which industries have the most business establishments in ZIP 06377.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 06377, Sterling, CT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

2,962

Population

43.2

Area (sq mi)

69

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 06377?

39.9

Median Age

56.4%

Male

43.6%

Female

2.1%

Foreign-Born

White 83.7%
African American 0.5%
Asian 1.7%
American Indian or Alaska Native 1.6%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.5%
Hispanic or Latino 7.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$97,308

Median Household Income

-14% vs state

$47,947

Per Capita Income

8.5%

Poverty Rate

4.5%

Unemployment Rate

How ZIP 06377 ranks nationally

Sterling, CT household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$97,308 Top 21% higher than 79% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 58.5%
Bachelor's Degree or Higher 17.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,000

Total Housing Units

964

Occupied Units

36

Vacant Units

3.04

Avg Household Size

Occupancy Type

Owner 77.0%
Renter 23.0%

$275,900

Median Home Value

-36% vs state

1987

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+10.1%

YoY Change (2024)

242

HPI Index (2000 = 100)

+142%

Total Change Since 2000

Home values in ZIP 06377 have increased 10.1% over the past year (2024). Since 2000, this ZIP has seen +142% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.9% 151
2021 +14.0% 172
2022 +21.6% 209
2023 +5.1% 220
2024 +10.1% 242

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 25 business establishments in ZIP 06377, employing approximately 105 people with a combined annual payroll of $4,832,000.

25

Businesses

105

Employees

$4.8M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Construction 7 28.0%
Manufacturing 4 16.0%
Wholesale trade 3 12.0%
Transportation and warehousing 3 12.0%
Accommodation and food services 3 12.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 06377 vs 06354 →

ZIP 06377 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 06377 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 06377 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 06377 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
06354 Moosup, CT 6,141 2.6 mi
06373 Oneco, CT 345 4.0 mi
06332 Central Village, CT 258 4.4 mi
06239 Danielson, CT 11,183 4.9 mi
02827 Greene, RI 2,172 4.5 mi
06387 Wauregan, CT 213 4.9 mi
06243 East Killingly, CT 60 8.3 mi
06374 Plainfield, CT 8,373 5.9 mi
02825 Foster, RI 5,377 6.1 mi
06384 Voluntown, CT 2,672 10.0 mi

More ZIP Codes in Windham County

06226 standard
Willimantic, CT
Pop: 20,114
06239 standard
Danielson, CT
Pop: 11,183
06260 standard
Putnam, CT
Pop: 9,510
06374 standard
Plainfield, CT
Pop: 8,373
06234 standard
Brooklyn, CT
Pop: 8,244
06281 standard
Woodstock, CT
Pop: 6,930

Related Areas

Windham County Sterling, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06377 in? ▼
ZIP code 06377 (Sterling) is located in Windham County, Connecticut. Windham County contains multiple ZIP codes, see the full list at /counties/windham-ct.
What is the population of ZIP code 06377? ▼
ZIP code 06377 in Sterling, CT has a population of 2,962 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06377? ▼
The median household income in ZIP 06377 is $97,308, which is 28% above the national average of $76,288.
What is the average home value in ZIP 06377? ▼
The median home value in ZIP 06377 is $275,900, which is 1% below the national average of $278,155.
What is the demographic makeup of ZIP 06377? ▼
The largest racial group in ZIP 06377 is White at 83.7%. Hispanic or Latino residents make up 7.4% of the population.
How many businesses are in ZIP code 06377? ▼
ZIP code 06377 has 25 business establishments employing approximately 105 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06377? ▼
The top industries by establishment count in ZIP 06377 are: Construction (7), Manufacturing (4), Wholesale trade (3). There are 5 industry sectors represented in total.
How have home values changed in ZIP code 06377? ▼
According to the FHFA House Price Index, home values in ZIP 06377 increased by 10.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 142%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 06377? ▼
In ZIP code 06377, 58.5% of residents aged 25+ have a high school diploma or higher, and 17.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 06377? ▼
In ZIP code 06377, approximately 77.0% of occupied housing units are owner-occupied and 23.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06377? ▼
The poverty rate in ZIP code 06377 is 8.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.