PlainZIP

Colchester, CT · standard

ZIP Code 06415

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

16,857
120/sq mi
$123,256
Median income
$366,300
Median home value
49.8%
Bachelor's or higher

The verdict

Colchester pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 9%
household income, US ZIPs
Top 24%
home value, US ZIPs
120
people per sq mi
77%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06415 against every reporting US ZIP.

ZIP code 06415 is a mid-sized community (a standard USPS delivery area) in Colchester, New London County, Connecticut, home to 16,857 residents across 141.1 square miles, a density of 120 people per square mile, in the New York time zone.

ZIP 06415 skews affluent, with a median household income of $123,256 (9% above the Connecticut average), while per-capita income is $60,848. The poverty rate stands at 3.8% and the unemployment rate at 1.7%. Housing costs here run $366,300 for a typical home value (16% below the state average), with rent averaging $1,474 a month; 77.3% of homes are owner-occupied.

A solid share of residents have a four-year degree: 49.8% of adults hold a bachelor's degree or higher, the median age is 44.3, and the average commute is 30 minutes. A geography-based comparison follows: 8 ZIP codes within about 10 miles of 06415, plus 6 more within New London 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 06415

Top 5 sectors by establishment count in Colchester, CT

Which industries have the most business establishments in ZIP 06415.

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 06415, Colchester, 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

16,857

Population

141.1

Area (sq mi)

120

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 06415?

44.3

Median Age

51.7%

Male

48.3%

Female

6.1%

Foreign-Born

White 89.7%
African American 2.7%
Asian 1.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.4%
Hispanic or Latino 4.3%

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?

$123,256

Median Household Income

+9% vs state

$60,848

Per Capita Income

3.8%

Poverty Rate

1.7%

Unemployment Rate

30.3 min

Mean Commute Time

How ZIP 06415 ranks nationally

Colchester, CT household income vs. every US ZIP code

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

$123,256 Top 9% higher than 91% 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%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $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 71.6%
Bachelor's Degree or Higher 49.8%

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

What does housing look like?

7,292

Total Housing Units

6,604

Occupied Units

688

Vacant Units

2.40

Avg Household Size

Occupancy Type

Owner 77.3%
Renter 22.7%

$366,300

Median Home Value

-16% vs state

$1,474

Median Rent

1984

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

+2.9%

YoY Change (2024)

214

HPI Index (2000 = 100)

+114%

Total Change Since 2000

Home values in ZIP 06415 have increased 2.9% over the past year (2024). Since 2000, this ZIP has seen +114% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.5% 146
2021 +12.9% 165
2022 +13.6% 187
2023 +10.8% 208
2024 +2.9% 214

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 307 business establishments in ZIP 06415, employing approximately 3,257 people with a combined annual payroll of $159,022,000.

307

Businesses

3,257

Employees

$159.0M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 51 16.6%
Retail trade 46 15.0%
Construction 41 13.4%
Other services (except public administration) 36 11.7%
Accommodation and food services 31 10.1%
Administrative and support and waste management and remediation services 18 5.9%
Finance and insurance 17 5.5%
Professional, scientific, and technical services 17 5.5%
Manufacturing 14 4.6%
Real estate and rental and leasing 10 3.3%
Wholesale trade 7 2.3%
Transportation and warehousing 5 1.6%
Information 5 1.6%
Educational services 4 1.3%

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 06415 vs 06231 →

ZIP 06415 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 06415 ranks the most populous - useful context the national average alone can't give.

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

ZIP 06415 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 06415 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
06231 Amston, CT 4,083 4.8 mi
06423 East Haddam, CT 5,097 6.6 mi
06469 Moodus, CT 3,209 6.2 mi
06420 Salem, CT 4,182 6.5 mi
06237 Columbia, CT 5,492 9.7 mi
06249 Lebanon, CT 7,308 7.5 mi
06447 Marlborough, CT 6,404 7.6 mi
06248 Hebron, CT 5,603 9.3 mi

More ZIP Codes in New London County

06360 standard
Norwich, CT
Pop: 37,541
06340 standard
Groton, CT
Pop: 31,242
06320 standard
New London, CT
Pop: 27,617
06351 standard
Jewett City, CT
Pop: 16,301
06385 standard
Waterford, CT
Pop: 15,893
06355 standard
Mystic, CT
Pop: 12,985

Related Areas

New London County Colchester, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06415 in? ▼
ZIP code 06415 (Colchester) is located in New London County, Connecticut. New London County contains multiple ZIP codes, see the full list at /counties/new-london-ct.
What is the population of ZIP code 06415? ▼
ZIP code 06415 in Colchester, CT has a population of 16,857 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06415? ▼
The median household income in ZIP 06415 is $123,256, which is 62% above the national average of $76,288.
What is the average home value in ZIP 06415? ▼
The median home value in ZIP 06415 is $366,300, which is 32% above the national average of $278,155.
What is the demographic makeup of ZIP 06415? ▼
The largest racial group in ZIP 06415 is White at 89.7%. Hispanic or Latino residents make up 4.3% of the population.
How many businesses are in ZIP code 06415? ▼
ZIP code 06415 has 307 business establishments employing approximately 3,257 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06415? ▼
The top industries by establishment count in ZIP 06415 are: Health care and social assistance (51), Retail trade (46), Construction (41). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 06415? ▼
According to the FHFA House Price Index, home values in ZIP 06415 increased by 2.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 114%. 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 06415? ▼
In ZIP code 06415, 71.6% of residents aged 25+ have a high school diploma or higher, and 49.8% 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 06415? ▼
The mean commute time for workers in ZIP code 06415 is 30.3 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 06415? ▼
In ZIP code 06415, approximately 77.3% of occupied housing units are owner-occupied and 22.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06415? ▼
The poverty rate in ZIP code 06415 is 3.8% 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.