06488 ZIP Code — Southbury, CT

New Haven County, Connecticut

ZIP code 06488 is located in Southbury, Connecticut, within New Haven County. It covers approximately 39.03 square miles and serves a population of 19,936 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 203.

About ZIP code 06488

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $359,600. Owner-occupancy is high at 86%, well above the national average.

The gap between median ($107,266) 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. 47% 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 32 minutes is near the national average.

Educational attainment is high — 52% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 06488 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

19,936

population

39.03

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06488 ZIP code map

Cities in ZIP code 06488

Below are the cities the US Postal Service accepts for ZIP code 06488. Using any city not on this list may result in mail delivery delays.

City	Status
Southbury	Preferred

Nearby ZIP codes

06478 Oxford (5.5 mi) 06470 Newtown (6.6 mi) 06798 Woodbury (6.7 mi) 06783 Roxbury (6.8 mi) 06752 Bridgewater (7.2 mi) 06762 Middlebury (7.5 mi) 06804 Brookfield (7.9 mi) 06468 Monroe (8.7 mi) 06483 Seymour (9.3 mi) 06403 Beacon Falls (9.4 mi) 06770 Naugatuck (9.6 mi) 06801 Bethel (10.1 mi)

Demographics updated 05/2026

Population
Total population	19,936
Population density	511 / sq mi
State FIPS	09
County FIPS	009

Geography
Land area	39.03 sq mi
Water area	1.06 sq mi
Latitude	41.4674
Longitude	-73.2354
Timezone	Eastern (ET)
Area code	203

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.6%	35.9%	32.0%
$50k – $100k	24.0%	28.9%	27.7%
$100k – $200k	31.5%	25.5%	27.1%
Over $200k	18.9%	9.7%	13.2%

Demographics & statistics

19,936

Population

511

People per sq mi

51.5

Median age

$107,266

Median household income

$63,740

Per capita income

$359,600

Median home value

$1,757

Median monthly rent

86.2%

Home ownership

3.7%

Poverty rate

3.2%

Unemployment

7,698

Housing units

52.4%

Bachelor's or higher

Age distribution

Male Female

450

Under 5

501

419

5–9

465

651

10–14

723

472

15–19

525

435

20–24

483

687

25–34

763

956

35–44

1,062

1,141

45–54

1,267

667

55–59

742

765

60–64

851

1,292

65–74

1,436

975

75–84

1,084

532

85+

592

← Male

Female →

Age summary

Group	Count	%
Under 18	3,909	19.6%
18 and over	16,027	80.4%
65 and over	5,911	29.6%
Median age	51.5 years

Race & ethnicity

White 85.5%

Two or more races 4.7%

Asian 3.8%

Hispanic or Latino 3.5%

Black or African American 1.7%

Other race 0.9%

Group	Count	%
White	17,666	85.5%
Two or more races	961	4.7%
Asian	775	3.8%
Hispanic or Latino	729	3.5%
Black or African American	350	1.7%
Other race	182	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.6%	35.9%	32.0%
$50k – $100k	24.0%	28.9%	27.7%
$100k – $200k	31.5%	25.5%	27.1%
Over $200k	18.9%	9.7%	13.2%

Under $10k 2.5%

$10k–$15k 1.2%

$15k–$25k 6.8%

$25k–$35k 7.4%

$35k–$50k 8.4%

$50k–$75k 13.3%

$75k–$100k 8.2%

$100k–$150k 14.9%

$150k–$200k 11.9%

$200k+ 25.3%

Range	% of households
Under $10k	2.5%
$10k–$15k	1.2%
$15k–$25k	6.8%
$25k–$35k	7.4%
$35k–$50k	8.4%
$50k–$75k	13.3%
$75k–$100k	8.2%
$100k–$150k	14.9%
$150k–$200k	11.9%
$200k+	25.3%
Median income	$107,266

Housing

Home values

Under $50k 1.2%

$50k–$100k 2.5%

$100k–$150k 7.3%

$150k–$200k 12.0%

$200k–$300k 16.4%

$300k–$500k 40.5%

$500k–$1M 19.0%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$359,600
Median rent / month	$1,757
Owner occupied	86.2%
Renter occupied	13.8%
Vacant	8.9%
Single-family detached	59.0%
Large apartment buildings	3.4%
Mobile homes	0.1%
Median rooms	6.0
Avg household size (owned)	2.51

Year built

Era	%
2020 or later	0.1%
2010–2019	2.8%
2000–2009	11.2%
1990–1999	11.2%
1980–1989	16.2%
1970–1979	31.1%
1960–1969	14.0%
1950–1959	3.2%
1940–1949	2.4%
1939 or earlier	7.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	10.2%
2 bedrooms	32.9%
3 bedrooms	22.9%
4 bedrooms	26.3%
5+ bedrooms	6.2%

Vehicles per household

Vehicles	% of households
No vehicle	6.4%
1 vehicle	34.6%
2 vehicles	37.6%
3 or more	21.4%

Heating fuel

Fuel type	%
Utility gas	7.7%
Electricity	38.5%
Propane / LP gas	9.6%
Fuel oil	41.1%
Wood	1.6%
Solar	0.1%

Households & families

Household type	Count	%
Married-couple family	4,445	55.4%
Cohabiting couple	331	4.1%
Male householder, no spouse	815	10.2%
Female householder, no spouse	2,429	30.3%
Households with children under 18	1,941	24.2%
Households with seniors (65+)	4,166	51.9%
Average household size	2.42

Marital status

Status	Male	Female
Never married	25.3%	18.7%
Married	62.1%	51.7%
Separated	0.2%	0.3%
Widowed	4.3%	13.4%
Divorced	8.2%	15.9%

Education

Less than 9th grade 3.2%

Some HS, no diploma 2.4%

HS graduate 20.3%

Some college, no degree 13.4%

Associate's degree 8.4%

Bachelor's degree 27.7%

Graduate / professional 24.6%

Metric	%
HS diploma or higher	94.5%
Bachelor's or higher	52.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	259	6.4%
Kindergarten	169	4.2%
Elementary school	1,841	45.3%
High school	891	21.9%
College / grad school	903	22.2%

Employment

Industry of employment

Education & healthcare 28.0%

Professional & management 17.5%

Manufacturing 12.5%

Retail trade 11.2%

Finance & real estate 5.4%

Arts, food & hospitality 5.4%

Other services 4.6%

Construction 4.4%

Public administration 4.0%

Transportation & utilities 3.3%

Information 1.6%

Agriculture & mining 1.1%

Wholesale trade 1.1%

Occupation

Category	%
Management, business & arts	55.9%
Service	13.5%
Sales & office	17.8%
Natural resources & construction	5.5%
Production & transportation	7.3%

Employment type

Type	%
Private sector	80.1%
Government	12.9%
Self-employed	6.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.0%
Carpool	7.2%
Public transit	0.6%
Walk	0.6%
Work from home	16.9%
Other means	0.7%
Avg commute (minutes)	32.0

Poverty

All people 3.7%

Under 18 years 0.0%

18 and over 4.6%

Married-couple families 0.9%

Female-led households 3.5%

Income support

Source	% of households
Social Security	47.4%
Retirement income	39.8%
Supplemental Security	2.4%
Cash public assistance	1.3%
Food stamps / SNAP	4.3%

Health indicators

Condition	%
Obesity	29.1%
High blood pressure	36.1%
High cholesterol	37.8%
Diabetes	10.4%
Heart disease	7.8%
Stroke	3.3%
Asthma	9.9%
Arthritis	29.9%
Kidney disease	3.2%
Pulmonary disease	6.7%
Cancer	10.0%

Behavior / access	%
Smoking	11.9%
Binge drinking	13.1%
No physical activity	19.3%
Less than 7 hrs sleep	31.1%
Depression	18.2%
Fair or poor health	10.7%
Poor mental health	11.5%
Poor physical health	9.1%
No health insurance	5.9%
Visited doctor (checkup)	79.9%
Visited dentist	77.4%
Cholesterol screening	94.9%
Teeth loss	8.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,167	7.3%

Disability	%
Any disability	13.1%
Under 18	2.2%
18–64 years	5.0%
65 and over	34.7%

Health insurance coverage

Type	%
Private insurance	82.6%
Public insurance	36.6%
No insurance	0.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,985	95.2%
Spanish	434	2.3%
Other Indo-European	61	0.3%
Asian & Pacific Islander	189	1.0%
Other languages	159	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,328	91.9%
Born in same state	18,017	90.4%
Born in different state	9,793	49.1%
Foreign born	311	1.6%
Naturalized citizen	1,608	8.1%
Not a US citizen	1,112	69.2%

Ancestry

Ancestry	Count	%
Italian	3,402	17.1%
French	2,520	12.6%
Arab	828	4.2%
German	416	2.1%
Irish	333	1.7%

Ancestry	Count	%
English	321	1.6%
Polish	184	0.9%
Norwegian	72	0.4%
Dutch	33	0.2%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	90.6%

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

Frequently asked questions about ZIP code 06488

What city is ZIP code 06488 in?

ZIP code 06488 is primarily assigned to Southbury, Connecticut.

What county is ZIP code 06488 in?

ZIP code 06488 falls within New Haven County, Connecticut.

Does ZIP code 06488 have an older population?

30% of residents in ZIP code 06488 are 65 or older, above the national average of ~17%.

Does ZIP code 06488 have a large retiree population?

47% of households in ZIP code 06488 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 06488 mostly owner-occupied?

86% of occupied units in ZIP code 06488 are owner-occupied, well above the national average.

How educated is the population of ZIP code 06488?

52% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What timezone is ZIP code 06488 in?

ZIP code 06488 observes the EST timezone.