06475 ZIP Code — Old Saybrook, CT

Middlesex County, Connecticut

ZIP code 06475 is located in Old Saybrook, Connecticut, within Middlesex County. It covers approximately 15.06 square miles and serves a population of 10,492 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860.

About ZIP code 06475

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $447,300. Owner-occupancy is high at 84%, well above the national average.

The gap between median ($99,825) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 43% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

Educational attainment is high — 55% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 06475 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

10,492

population

15.06

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06475 ZIP code map

Cities in ZIP code 06475

Below are the cities the US Postal Service accepts for ZIP code 06475. Using any city not on this list may result in mail delivery delays.

City	Status
Old Saybrook	Acceptable
Old Saybrook	Preferred

Nearby ZIP codes

06426 Essex (3.4 mi) 06409 Centerbrook (3.5 mi) 06498 Westbrook (4 mi) 06442 Ivoryton (4.4 mi) 06371 Old Lyme (4.7 mi) 06417 Deep River (5.7 mi) 06413 Clinton (7.7 mi) 06412 Chester (8.6 mi) 06357 Niantic (9.1 mi) 06333 East Lyme (9.4 mi) 06419 Killingworth (11.1 mi) 06443 Madison (11.5 mi)

Demographics updated 05/2026

Population
Total population	10,492
Population density	697 / sq mi
State FIPS	09
County FIPS	007

Geography
Land area	15.06 sq mi
Water area	3.02 sq mi
Latitude	41.3015
Longitude	-72.3879
Timezone	Eastern (ET)
Area code	860

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.9%	28.8%	32.0%
$50k – $100k	30.1%	28.9%	27.7%
$100k – $200k	28.8%	30.3%	27.1%
Over $200k	15.2%	12.1%	13.2%

Demographics & statistics

10,492

Population

697

People per sq mi

57.4

Median age

$99,825

Median household income

$66,894

Per capita income

$447,300

Median home value

$1,745

Median monthly rent

84.3%

Home ownership

4.2%

Poverty rate

3.0%

Unemployment

5,388

Housing units

55.3%

Bachelor's or higher

Age distribution

Male Female

140

Under 5

171

142

5–9

172

195

10–14

237

299

15–19

362

209

20–24

254

336

25–34

408

388

35–44

471

461

45–54

560

433

55–59

525

706

60–64

856

660

65–74

802

533

75–84

647

237

85+

288

← Male

Female →

Age summary

Group	Count	%
Under 18	1,481	14.1%
18 and over	9,011	85.9%
65 and over	3,167	30.2%
Median age	57.4 years

Race & ethnicity

White 93.6%

Hispanic or Latino 1.8%

Two or more races 1.6%

American Indian / Alaska Native 1%

Asian 0.9%

Other race 0.7%

Black or African American 0.5%

Group	Count	%
White	9,997	93.6%
Hispanic or Latino	187	1.8%
Two or more races	167	1.6%
American Indian / Alaska Native	106	1%
Asian	94	0.9%
Other race	75	0.7%
Black or African American	53	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.9%	28.8%	32.0%
$50k – $100k	30.1%	28.9%	27.7%
$100k – $200k	28.8%	30.3%	27.1%
Over $200k	15.2%	12.1%	13.2%

Under $10k 4.4%

$10k–$15k 1.4%

$15k–$25k 2.4%

$25k–$35k 5.6%

$35k–$50k 8.6%

$50k–$75k 12.1%

$75k–$100k 15.6%

$100k–$150k 14.3%

$150k–$200k 16.2%

$200k+ 19.3%

Range	% of households
Under $10k	4.4%
$10k–$15k	1.4%
$15k–$25k	2.4%
$25k–$35k	5.6%
$35k–$50k	8.6%
$50k–$75k	12.1%
$75k–$100k	15.6%
$100k–$150k	14.3%
$150k–$200k	16.2%
$200k+	19.3%
Median income	$99,825

Housing

Home values

Under $50k 0.9%

$50k–$100k 0.7%

$100k–$150k 0.3%

$150k–$200k 0.5%

$200k–$300k 11.9%

$300k–$500k 48.4%

$500k–$1M 31.8%

$1M+ 5.5%

Housing overview

Metric	Value
Median home value	$447,300
Median rent / month	$1,745
Owner occupied	84.3%
Renter occupied	15.7%
Vacant	23.8%
Single-family detached	84.9%
Large apartment buildings	0.4%
Mobile homes	1.0%
Median rooms	6.0
Avg household size (owned)	2.21

Year built

Era	%
2020 or later	0.2%
2010–2019	6.5%
2000–2009	4.3%
1990–1999	6.4%
1980–1989	12.4%
1970–1979	16.4%
1960–1969	12.3%
1950–1959	18.1%
1940–1949	4.4%
1939 or earlier	19.0%

Bedrooms

Size	% of units
No bedroom (studio)	3.0%
1 bedroom	5.1%
2 bedrooms	23.3%
3 bedrooms	44.9%
4 bedrooms	18.2%
5+ bedrooms	5.5%

Vehicles per household

Vehicles	% of households
No vehicle	4.2%
1 vehicle	31.5%
2 vehicles	40.6%
3 or more	23.7%

Heating fuel

Fuel type	%
Utility gas	11.0%
Electricity	12.9%
Propane / LP gas	14.0%
Fuel oil	57.3%
Wood	1.3%

Households & families

Household type	Count	%
Married-couple family	2,433	52.2%
Cohabiting couple	269	5.8%
Male householder, no spouse	456	9.8%
Female householder, no spouse	1,502	32.2%
Households with children under 18	805	17.3%
Households with seniors (65+)	2,053	44.1%
Average household size	2.22

Marital status

Status	Male	Female
Never married	24.7%	18.0%
Married	60.0%	51.1%
Separated	0.3%	0.9%
Widowed	3.4%	12.7%
Divorced	11.6%	17.4%

Education

Less than 9th grade 2.7%

Some HS, no diploma 2.4%

HS graduate 17.9%

Some college, no degree 13.8%

Associate's degree 7.9%

Bachelor's degree 29.2%

Graduate / professional 26.1%

Metric	%
HS diploma or higher	94.9%
Bachelor's or higher	55.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	137	7.9%
Kindergarten	79	4.6%
Elementary school	585	33.7%
High school	608	35.0%
College / grad school	326	18.8%

Employment

Industry of employment

Education & healthcare 25.4%

Retail trade 15.8%

Professional & management 15.1%

Arts, food & hospitality 9.0%

Manufacturing 7.9%

Construction 7.2%

Finance & real estate 6.5%

Transportation & utilities 5.2%

Public administration 3.4%

Other services 2.5%

Wholesale trade 1.1%

Information 1.0%

Occupation

Category	%
Management, business & arts	52.3%
Service	11.9%
Sales & office	23.1%
Natural resources & construction	4.6%
Production & transportation	8.1%

Employment type

Type	%
Private sector	78.7%
Government	14.3%
Self-employed	6.8%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	73.3%
Carpool	3.6%
Public transit	1.0%
Walk	3.0%
Work from home	18.8%
Other means	0.3%
Avg commute (minutes)	27.8

Poverty

All people 4.2%

Under 18 years 1.7%

18 and over 4.7%

Married-couple families 2.8%

Female-led households 4.3%

Income support

Source	% of households
Social Security	43.3%
Retirement income	39.7%
Supplemental Security	3.7%
Cash public assistance	0.8%
Food stamps / SNAP	5.6%

Health indicators

Condition	%
Obesity	28.0%
High blood pressure	34.9%
High cholesterol	36.3%
Diabetes	9.6%
Heart disease	7.2%
Stroke	3.0%
Asthma	9.6%
Arthritis	29.4%
Kidney disease	3.0%
Pulmonary disease	6.3%
Cancer	9.6%

Behavior / access	%
Smoking	12.3%
Binge drinking	15.0%
No physical activity	16.3%
Less than 7 hrs sleep	28.1%
Depression	18.8%
Fair or poor health	9.8%
Poor mental health	11.7%
Poor physical health	8.5%
No health insurance	6.4%
Visited doctor (checkup)	80.6%
Visited dentist	77.0%
Cholesterol screening	94.8%
Teeth loss	8.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	680	7.5%

Disability	%
Any disability	13.8%
Under 18	5.9%
18–64 years	10.6%
65 and over	23.8%

Health insurance coverage

Type	%
Private insurance	69.6%
Public insurance	42.1%
No insurance	4.3%
Uninsured under 19	3.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	10,181	97.0%
Spanish	435	4.3%
Other Indo-European	378	3.7%
Asian & Pacific Islander	26	0.3%
Other languages	31	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,753	93.0%
Born in same state	9,698	92.4%
Born in different state	6,036	57.5%
Foreign born	55	0.5%
Naturalized citizen	739	7.0%
Not a US citizen	483	65.4%

Ancestry

Ancestry	Count	%
Italian	2,768	26.4%
French	1,897	18.1%
Arab	466	4.4%
German	312	3%
English	239	2.3%

Ancestry	Count	%
Irish	68	0.6%
Norwegian	57	0.5%
Dutch	52	0.5%
Polish	9	0.1%

Technology access

Metric	% of households
Computer access	44.4%
Internet access	94.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 06475

What city is ZIP code 06475 in?

ZIP code 06475 is primarily assigned to Old Saybrook, Connecticut.

What county is ZIP code 06475 in?

ZIP code 06475 falls within Middlesex County, Connecticut.

Does ZIP code 06475 have an older population?

30% of residents in ZIP code 06475 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 06475?

55% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 06475 mostly owner-occupied?

84% of occupied units in ZIP code 06475 are owner-occupied, well above the national average.

Does ZIP code 06475 have a large retiree population?

43% of households in ZIP code 06475 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 06475 in?

ZIP code 06475 observes the EST timezone.