PlainZIP

Southbury, CT · standard

ZIP Code 06488

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

19,904
197/sq mi
$112,887
Median income
$411,600
Median home value
51.8%
Bachelor's or higher

The verdict

Southbury pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 12%
household income, US ZIPs
Top 20%
home value, US ZIPs
197
people per sq mi
88%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06488 against every reporting US ZIP.

ZIP code 06488 is a mid-sized community (a standard USPS delivery area) in Southbury, New Haven County, Connecticut, home to 19,904 residents across 101.0 square miles, a density of 197 people per square mile, in the New York time zone.

ZIP 06488 skews affluent, with a median household income of $112,887 (0% below the Connecticut average), while per-capita income is $67,509. Local economic indicators show a 3.4% poverty rate alongside 3.0% unemployment. Median home value sits at $411,600 (5% below the state average), median rent at $1,935 a month, and owner-occupancy at 88.2%.

This is a highly-educated ZIP: 51.8% of adults hold a bachelor's degree or higher, the median age is 54.2, and the average commute is 30 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 06488, plus 6 more within New Haven 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 06488

Top 5 sectors by establishment count in Southbury, CT

Which industries have the most business establishments in ZIP 06488.

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 06488, Southbury, 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

19,904

Population

101.0

Area (sq mi)

197

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 06488?

54.2

Median Age

46.8%

Male

53.2%

Female

7.3%

Foreign-Born

White 85.7%
African American 2.8%
Asian 2.5%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.7%
Hispanic or Latino 6.9%

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?

$112,887

Median Household Income

-0% vs state

$67,509

Per Capita Income

3.4%

Poverty Rate

3.0%

Unemployment Rate

29.9 min

Mean Commute Time

How ZIP 06488 ranks nationally

Southbury, CT household income vs. every US ZIP code

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

$112,887 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 71.1%
Bachelor's Degree or Higher 51.8%

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

What does housing look like?

8,966

Total Housing Units

8,424

Occupied Units

542

Vacant Units

2.31

Avg Household Size

Occupancy Type

Owner 88.2%
Renter 11.8%

$411,600

Median Home Value

-5% vs state

$1,935

Median Rent

1977

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

+6.4%

YoY Change (2024)

195

HPI Index (2000 = 100)

+95%

Total Change Since 2000

Home values in ZIP 06488 have increased 6.4% over the past year (2024). Since 2000, this ZIP has seen +95% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.3% 131
2021 +11.5% 146
2022 +12.1% 164
2023 +11.8% 183
2024 +6.4% 195

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 500 business establishments in ZIP 06488, employing approximately 5,981 people with a combined annual payroll of $460,419,000.

500

Businesses

5,981

Employees

$460.4M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 85 17.0%
Professional, scientific, and technical services 61 12.2%
Other services (except public administration) 56 11.2%
Retail trade 54 10.8%
Construction 47 9.4%
Finance and insurance 38 7.6%
Accommodation and food services 38 7.6%
Administrative and support and waste management and remediation services 27 5.4%
Real estate and rental and leasing 16 3.2%
Information 15 3.0%
Wholesale trade 14 2.8%
Educational services 14 2.8%
Manufacturing 12 2.4%
Arts, entertainment, and recreation 11 2.2%
Management of companies and enterprises 5 1.0%
Transportation and warehousing 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 06488 vs 06482 →

ZIP 06488 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 06488 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 06488 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 06488 ranks #9 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
06482 Sandy Hook, CT 11,557 4.7 mi
06798 Woodbury, CT 9,984 6.2 mi
06478 Oxford, CT 12,683 5.9 mi
06468 Monroe, CT 19,479 9.5 mi
06783 Roxbury, CT 2,228 6.5 mi
06762 Middlebury, CT 7,561 6.8 mi
06470 Newtown, CT 16,003 7.1 mi
06752 Bridgewater, CT 1,735 7.3 mi
06483 Seymour, CT 16,540 9.9 mi
06795 Watertown, CT 14,144 11.5 mi

More ZIP Codes in New Haven County

06516 standard
West Haven, CT
Pop: 55,564
06511 standard
New Haven, CT
Pop: 53,600
06492 standard
Wallingford, CT
Pop: 45,241
06513 standard
New Haven, CT
Pop: 38,978
06460 standard
Milford, CT
Pop: 38,207
06450 standard
Meriden, CT
Pop: 36,493

Related Areas

New Haven County Southbury, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06488 in? ▼
ZIP code 06488 (Southbury) is located in New Haven County, Connecticut. New Haven County contains multiple ZIP codes, see the full list at /counties/new-haven-ct.
What is the population of ZIP code 06488? ▼
ZIP code 06488 in Southbury, CT has a population of 19,904 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06488? ▼
The median household income in ZIP 06488 is $112,887, which is 48% above the national average of $76,288.
What is the average home value in ZIP 06488? ▼
The median home value in ZIP 06488 is $411,600, which is 48% above the national average of $278,155.
What is the demographic makeup of ZIP 06488? ▼
The largest racial group in ZIP 06488 is White at 85.7%. Hispanic or Latino residents make up 6.9% of the population.
How many businesses are in ZIP code 06488? ▼
ZIP code 06488 has 500 business establishments employing approximately 5,981 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06488? ▼
The top industries by establishment count in ZIP 06488 are: Health care and social assistance (85), Professional, scientific, and technical services (61), Other services (except public administration) (56). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 06488? ▼
According to the FHFA House Price Index, home values in ZIP 06488 increased by 6.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 95%. 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 06488? ▼
In ZIP code 06488, 71.1% of residents aged 25+ have a high school diploma or higher, and 51.8% 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 06488? ▼
The mean commute time for workers in ZIP code 06488 is 29.9 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 06488? ▼
In ZIP code 06488, approximately 88.2% of occupied housing units are owner-occupied and 11.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06488? ▼
The poverty rate in ZIP code 06488 is 3.4% 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.