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 Moderate-density area
- $97,308
- Median income Above-median income area
- $275,900
- Median home value Near-median home value
- 17.7%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 06377 (Sterling, CT) rose +10.1% from 2023 to 2024. The all-transactions index moved from 220.0 in 2023 to 242.2 in 2024 (2000 = 100).
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 average Connecticut ZIP), while per-capita income is $47,947. The poverty rate is 8.5%, with unemployment at 4.5%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $275,900 (36% below the average Connecticut ZIP); owner occupancy is 77.0%.
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 -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Windham County, so 06377 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
7 establishments
- Manufacturing
Manufacturing
4 establishments
- Wholesale trade
Wholesale trade
3 establishments
- Transportation and warehousing
Transportation and warehousing
3 establishments
- Accommodation and food services
Accommodation and food services
3 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, 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
Who lives in ZIP 06377?
39.9
Median Age
56.4%
Male
43.6%
Female
2.1%
Foreign-Born
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 ZIP avg
$47,947
Per Capita Income
8.5%
Poverty Rate
4.5%
Unemployment Rate
How ZIP 06377 ranks among Connecticut ZIPs
Sterling, CT household income vs. every Connecticut ZIP code
Median household income among 270 reporting Connecticut ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$97,308 35th percentile higher than 35% of 270 Connecticut ZIPs
Each bar is a $20K-wide band; taller bars hold more Connecticut 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
1,000housing units
1,000
Total Housing Units
964
Occupied Units
36
Vacant Units
3.04
Avg Household Size
Occupancy Type
$275,900
Median Home Value
-36% vs state ZIP avg
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.
- 06239
Danielson (06239)
11,183 residents
- 06374
Plainfield (06374)
8,373 residents
- 06354
Moosup (06354)
6,141 residents
- 02825
Foster (02825)
5,377 residents
- 06377 2,962
Sterling (06377)
2,962 residents
- 06384 2,672
Voluntown (06384)
2,672 residents
- 02827 2,172
Greene (02827)
2,172 residents
- 06373 345
Oneco (06373)
345 residents
- 06332 258
Central Village (06332)
258 residents
What this shows Among its immediate neighbors, ZIP 06377 ranks #5 by population - useful context the national average alone can't give.
ZIP 06377 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 02827
Greene (02827)
$152,305 median income
- 06243
East Killingly (06243)
$122,083 median income
- 02825
Foster (02825)
$112,593 median income
- 06387
Wauregan (06387)
$108,787 median income
- 06384
Voluntown (06384)
$106,518 median income
- 06377
Sterling (06377)
$97,308 median income
- 06354
Moosup (06354)
$87,711 median income
- 06239
Danielson (06239)
$74,267 median income
- 06374
Plainfield (06374)
$71,882 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 06377, both outside CT so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,962 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Windham County
Related Areas
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.
Related
Take this with you
What to do with ZIP 06377's numbers, next.
- See how ZIP 06377 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sterling, CT ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.