PlainZIP

Canterbury, CT · standard

ZIP Code 06331

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

5,137
50/sq mi
$103,198
Median income
$334,200
Median home value
26.4%
Bachelor's or higher

The verdict

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

Top 17%
household income, US ZIPs
Top 29%
home value, US ZIPs
50
people per sq mi
89%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06331 against every reporting US ZIP.

ZIP code 06331 is a mid-sized community (a standard USPS delivery area) in Canterbury, Windham County, Connecticut, home to 5,137 residents across 103.6 square miles, a density of 50 people per square mile, in the New York time zone.

ZIP 06331 lands in the middle-income range, with a median household income of $103,198 (9% below the Connecticut average), while per-capita income is $52,105. 4.9% of residents live below the poverty line, and the unemployment rate reads 2.5%. On housing, the median home value is $334,200 (23% below the state average) with median rent at $924 per month, and 88.7% of occupied units are owner-occupied.

Educational attainment sits below the national norm: 26.4% of adults hold a bachelor's degree or higher, the median age is 48.4, and the average commute is 32 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 06331, plus 6 more within Windham County, give a clearer read than the national average 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 06331

Top 5 sectors by establishment count in Canterbury, CT

Which industries have the most business establishments in ZIP 06331.

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 06331, Canterbury, 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

5,137

Population

103.6

Area (sq mi)

50

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 06331?

48.4

Median Age

48.8%

Male

51.2%

Female

2.8%

Foreign-Born

White 87.8%
African American 3.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.4%
Hispanic or Latino 4.0%

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?

$103,198

Median Household Income

-9% vs state

$52,105

Per Capita Income

4.9%

Poverty Rate

2.5%

Unemployment Rate

31.7 min

Mean Commute Time

How ZIP 06331 ranks nationally

Canterbury, CT household income vs. every US ZIP code

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

$103,198 Top 17% higher than 83% 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%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $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 64.6%
Bachelor's Degree or Higher 26.4%

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

What does housing look like?

2,254

Total Housing Units

2,138

Occupied Units

116

Vacant Units

2.41

Avg Household Size

Occupancy Type

Owner 88.7%
Renter 11.3%

$334,200

Median Home Value

-23% vs state

$924

Median Rent

1975

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

+19.5%

YoY Change (2024)

237

HPI Index (2000 = 100)

+137%

Total Change Since 2000

Home values in ZIP 06331 have increased 19.5% over the past year (2024). Since 2000, this ZIP has seen +137% cumulative appreciation.

Year Annual Change HPI Index
2020 +6.0% 153
2021 +13.7% 174
2022 +5.5% 184
2023 +7.9% 198
2024 +19.5% 237

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 61 business establishments in ZIP 06331, employing approximately 390 people with a combined annual payroll of $15,066,000.

61

Businesses

390

Employees

$15.1M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Construction 13 21.3%
Retail trade 10 16.4%
Professional, scientific, and technical services 8 13.1%
Accommodation and food services 7 11.5%
Other services (except public administration) 7 11.5%
Administrative and support and waste management and remediation services 5 8.2%

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 06331 vs 06374 →

ZIP 06331 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 06331 ranks #4 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 06331 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 06331 ranks #3 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
06374 Plainfield, CT 8,373 4.6 mi
06264 Scotland, CT 166 5.2 mi
06350 Hanover, CT 67 4.9 mi
06330 Baltic, CT 3,282 5.4 mi
06332 Central Village, CT 258 5.5 mi
06387 Wauregan, CT 213 5.6 mi
06247 Hampton, CT 2,841 5.9 mi
06234 Brooklyn, CT 8,244 6.8 mi
06280 Windham, CT 3,162 7.3 mi
06354 Moosup, CT 6,141 7.4 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 Canterbury, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06331 in? ▼
ZIP code 06331 (Canterbury) 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 06331? ▼
ZIP code 06331 in Canterbury, CT has a population of 5,137 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06331? ▼
The median household income in ZIP 06331 is $103,198, which is 35% above the national average of $76,288.
What is the average home value in ZIP 06331? ▼
The median home value in ZIP 06331 is $334,200, which is 20% above the national average of $278,155.
What is the demographic makeup of ZIP 06331? ▼
The largest racial group in ZIP 06331 is White at 87.8%. Hispanic or Latino residents make up 4.0% of the population.
How many businesses are in ZIP code 06331? ▼
ZIP code 06331 has 61 business establishments employing approximately 390 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06331? ▼
The top industries by establishment count in ZIP 06331 are: Construction (13), Retail trade (10), Professional, scientific, and technical services (8). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 06331? ▼
According to the FHFA House Price Index, home values in ZIP 06331 increased by 19.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 137%. 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 06331? ▼
In ZIP code 06331, 64.6% of residents aged 25+ have a high school diploma or higher, and 26.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 06331? ▼
The mean commute time for workers in ZIP code 06331 is 31.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 06331? ▼
In ZIP code 06331, approximately 88.7% of occupied housing units are owner-occupied and 11.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06331? ▼
The poverty rate in ZIP code 06331 is 4.9% 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.