PlainZIP

Haddam, CT · standard

ZIP Code 06438

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

2,550
80/sq mi
$121,429
Median income
$362,500
Median home value
53.8%
Bachelor's or higher

The verdict

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

Top 9%
household income, US ZIPs
Top 25%
home value, US ZIPs
80
people per sq mi
81%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06438 against every reporting US ZIP.

ZIP code 06438 covers 31.8 square miles in Haddam, Middlesex County, Connecticut (a standard USPS delivery area), with a modest 2,550 residents on file, a density of 80 people per square mile, in the New York time zone.

ZIP 06438 skews affluent, with a median household income of $121,429 (7% above the Connecticut average), while per-capita income is $54,727. Poverty here runs at 3.3%, with unemployment measured at 5.9%. Housing costs here run $362,500 for a typical home value (17% below the state average), with rent averaging $1,662 a month; 81.1% of homes are owner-occupied.

This is a highly-educated ZIP: 53.8% of adults hold a bachelor's degree or higher, the median age is 46.2, and the average commute is 30 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Middlesex County, letting you compare 06438 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 06438

Top 5 sectors by establishment count in Haddam, CT

Which industries have the most business establishments in ZIP 06438.

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 06438, Haddam, 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

2,550

Population

31.8

Area (sq mi)

80

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 06438?

46.2

Median Age

48.1%

Male

51.9%

Female

2.7%

Foreign-Born

White 85.5%
African American 0.5%
Asian 1.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.4%
Hispanic or Latino 3.7%

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?

$121,429

Median Household Income

+7% vs state

$54,727

Per Capita Income

3.3%

Poverty Rate

5.9%

Unemployment Rate

30.0 min

Mean Commute Time

How ZIP 06438 ranks nationally

Haddam, CT household income vs. every US ZIP code

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

$121,429 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 72.5%
Bachelor's Degree or Higher 53.8%

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

What does housing look like?

1,160

Total Housing Units

1,036

Occupied Units

124

Vacant Units

2.69

Avg Household Size

Occupancy Type

Owner 81.1%
Renter 18.9%

$362,500

Median Home Value

-17% vs state

$1,662

Median Rent

1973

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

-0.2%

YoY Change (2024)

182

HPI Index (2000 = 100)

+82%

Total Change Since 2000

Home values in ZIP 06438 have decreased 0.2% over the past year (2024). Since 2000, this ZIP has seen +82% cumulative appreciation.

Year Annual Change HPI Index
2020 +8.5% 131
2021 +14.5% 151
2022 +7.9% 162
2023 +12.1% 182
2024 -0.2% 182

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 58 business establishments in ZIP 06438, employing approximately 429 people with a combined annual payroll of $16,300,000.

58

Businesses

429

Employees

$16.3M

Annual Payroll

8

Industry Sectors

Industry Establishments % of Total
Retail trade 11 19.0%
Other services (except public administration) 8 13.8%
Accommodation and food services 7 12.1%
Professional, scientific, and technical services 6 10.3%
Administrative and support and waste management and remediation services 6 10.3%
Construction 5 8.6%
Health care and social assistance 4 6.9%
Arts, entertainment, and recreation 3 5.2%

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 06438 vs 06412 →

ZIP 06438 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 06438 ranks #9 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 06438 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 06438 ranks #5 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
06412 Chester, CT 3,994 3.7 mi
06441 Higganum, CT 5,438 3.9 mi
06424 East Hampton, CT 12,808 7.0 mi
06469 Moodus, CT 3,209 4.6 mi
06423 East Haddam, CT 5,097 6.0 mi
06417 Deep River, CT 4,629 6.5 mi
06456 Middle Haddam, CT 295 6.2 mi
06419 Killingworth, CT 6,525 6.6 mi
06414 Cobalt, CT 214 8.0 mi
06442 Ivoryton, CT 2,745 8.4 mi

More ZIP Codes in Middlesex County

06457 standard
Middletown, CT
Pop: 47,648
06416 standard
Cromwell, CT
Pop: 14,005
06413 standard
Clinton, CT
Pop: 13,235
06424 standard
East Hampton, CT
Pop: 12,808
06475 standard
Old Saybrook, CT
Pop: 10,242
06480 standard
Portland, CT
Pop: 9,508

Related Areas

Middlesex County Haddam, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06438 in? ▼
ZIP code 06438 (Haddam) is located in Middlesex County, Connecticut. Middlesex County contains multiple ZIP codes, see the full list at /counties/middlesex-ct.
What is the population of ZIP code 06438? ▼
ZIP code 06438 in Haddam, CT has a population of 2,550 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06438? ▼
The median household income in ZIP 06438 is $121,429, which is 59% above the national average of $76,288.
What is the average home value in ZIP 06438? ▼
The median home value in ZIP 06438 is $362,500, which is 30% above the national average of $278,155.
What is the demographic makeup of ZIP 06438? ▼
The largest racial group in ZIP 06438 is White at 85.5%. Hispanic or Latino residents make up 3.7% of the population.
How many businesses are in ZIP code 06438? ▼
ZIP code 06438 has 58 business establishments employing approximately 429 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06438? ▼
The top industries by establishment count in ZIP 06438 are: Retail trade (11), Other services (except public administration) (8), Accommodation and food services (7). There are 8 industry sectors represented in total.
How have home values changed in ZIP code 06438? ▼
According to the FHFA House Price Index, home values in ZIP 06438 decreased by 0.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 82%. 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 06438? ▼
In ZIP code 06438, 72.5% of residents aged 25+ have a high school diploma or higher, and 53.8% 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 06438? ▼
The mean commute time for workers in ZIP code 06438 is 30.0 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 06438? ▼
In ZIP code 06438, approximately 81.1% of occupied housing units are owner-occupied and 18.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06438? ▼
The poverty rate in ZIP code 06438 is 3.3% 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.