PlainZIP

Old Saybrook, CT · standard

ZIP Code 06475

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

10,242
263/sq mi
$114,333
Median income
$538,200
Median home value
57.8%
Bachelor's or higher

The verdict

Old Saybrook pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 12%
household income, US ZIPs
Top 12%
home value, US ZIPs
263
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06475 against every reporting US ZIP.

ZIP code 06475 is a mid-sized community (a standard USPS delivery area) in Old Saybrook, Middlesex County, Connecticut, home to 10,242 residents across 39.0 square miles, a density of 263 people per square mile, in the New York time zone.

ZIP 06475 skews affluent, with a median household income of $114,333 (1% above the Connecticut average), while per-capita income is $76,905. Local economic indicators show a 5.0% poverty rate alongside 2.9% unemployment. The typical home here is valued at $538,200 (24% above the state average); renters pay a median of $1,846 monthly, and 85.3% of units are owner-occupied.

This is a highly-educated ZIP: 57.8% of adults hold a bachelor's degree or higher, the median age is 57.4, and the average commute is 29 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Middlesex County, so you can benchmark 06475 against its immediate geography rather than a 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 06475

Top 5 sectors by establishment count in Old Saybrook, CT

Which industries have the most business establishments in ZIP 06475.

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 06475, Old Saybrook, 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

10,242

Population

39.0

Area (sq mi)

263

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 06475?

57.4

Median Age

46.7%

Male

53.3%

Female

6.7%

Foreign-Born

White 90.3%
African American 0.6%
Asian 0.6%
American Indian or Alaska Native 1.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.6%
Hispanic or Latino 5.3%

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?

$114,333

Median Household Income

+1% vs state

$76,905

Per Capita Income

5.0%

Poverty Rate

2.9%

Unemployment Rate

28.6 min

Mean Commute Time

How ZIP 06475 ranks nationally

Old Saybrook, CT household income vs. every US ZIP code

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

$114,333 Top 12% higher than 88% 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 73.8%
Bachelor's Degree or Higher 57.8%

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

What does housing look like?

5,985

Total Housing Units

4,672

Occupied Units

1,313

Vacant Units

2.23

Avg Household Size

Occupancy Type

Owner 85.3%
Renter 14.7%

$538,200

Median Home Value

+24% vs state

$1,846

Median Rent

1967

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

+9.3%

YoY Change (2024)

292

HPI Index (2000 = 100)

+192%

Total Change Since 2000

Home values in ZIP 06475 have increased 9.3% over the past year (2024). Since 2000, this ZIP has seen +192% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.6% 172
2021 +16.7% 201
2022 +15.8% 233
2023 +14.9% 267
2024 +9.3% 292

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 522 business establishments in ZIP 06475, employing approximately 5,206 people with a combined annual payroll of $302,455,000.

522

Businesses

5,206

Employees

$302.5M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Retail trade 110 21.1%
Health care and social assistance 61 11.7%
Accommodation and food services 60 11.5%
Other services (except public administration) 58 11.1%
Professional, scientific, and technical services 44 8.4%
Construction 37 7.1%
Administrative and support and waste management and remediation services 29 5.6%
Finance and insurance 24 4.6%
Wholesale trade 22 4.2%
Manufacturing 20 3.8%
Real estate and rental and leasing 19 3.6%
Arts, entertainment, and recreation 15 2.9%
Transportation and warehousing 9 1.7%
Information 8 1.5%
Educational services 4 0.8%

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 06475 vs 06426 →

ZIP 06475 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 06475 ranks #2 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 06475 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 06475 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
06426 Essex, CT 3,245 3.6 mi
06409 Centerbrook, CT 693 3.9 mi
06498 Westbrook, CT 6,963 4.2 mi
06442 Ivoryton, CT 2,745 4.2 mi
06371 Old Lyme, CT 9,952 5.3 mi
06376 South Lyme, CT 57 6.9 mi
06417 Deep River, CT 4,629 6.1 mi
06413 Clinton, CT 13,235 7.5 mi
06412 Chester, CT 3,994 8.8 mi
06333 East Lyme, CT 6,607 9.3 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
06480 standard
Portland, CT
Pop: 9,508
06422 standard
Durham, CT
Pop: 7,388

Related Areas

Middlesex County Old Saybrook, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06475 in? ▼
ZIP code 06475 (Old Saybrook) 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 06475? ▼
ZIP code 06475 in Old Saybrook, CT has a population of 10,242 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06475? ▼
The median household income in ZIP 06475 is $114,333, which is 50% above the national average of $76,288.
What is the average home value in ZIP 06475? ▼
The median home value in ZIP 06475 is $538,200, which is 93% above the national average of $278,155.
What is the demographic makeup of ZIP 06475? ▼
The largest racial group in ZIP 06475 is White at 90.3%. Hispanic or Latino residents make up 5.3% of the population.
How many businesses are in ZIP code 06475? ▼
ZIP code 06475 has 522 business establishments employing approximately 5,206 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06475? ▼
The top industries by establishment count in ZIP 06475 are: Retail trade (110), Health care and social assistance (61), Accommodation and food services (60). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 06475? ▼
According to the FHFA House Price Index, home values in ZIP 06475 increased by 9.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 192%. 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 06475? ▼
In ZIP code 06475, 73.8% of residents aged 25+ have a high school diploma or higher, and 57.8% 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 06475? ▼
The mean commute time for workers in ZIP code 06475 is 28.6 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 06475? ▼
In ZIP code 06475, approximately 85.3% of occupied housing units are owner-occupied and 14.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06475? ▼
The poverty rate in ZIP code 06475 is 5.0% 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.