PlainZIP

Southport, CT · standard

ZIP Code 06890

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

4,306
575/sq mi
$218,841
Median income
$1,212,500
Median home value
83.7%
Bachelor's or higher

The verdict

Southport pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 1%
household income, US ZIPs
Top 1%
home value, US ZIPs
575
people per sq mi
87%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06890 against every reporting US ZIP.

ZIP code 06890 covers 7.5 square miles in Southport, Fairfield County, Connecticut (a standard USPS delivery area), with a modest 4,306 residents on file, a density of 575 people per square mile, in the New York time zone.

ZIP 06890 skews affluent, with a median household income of $218,841 (94% above the Connecticut average), while per-capita income is $143,002. The poverty rate stands at 2.9% and the unemployment rate at 3.5%. Housing costs here run $1,212,500 for a typical home value (179% above the state average), with rent averaging $3,119 a month; 86.6% of homes are owner-occupied.

This is a highly-educated ZIP: 83.7% of adults hold a bachelor's degree or higher, the median age is 44.7, and the average commute is -. To put 06890 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Fairfield County, for a geography-aware comparison.

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 06890

Top 5 sectors by establishment count in Southport, CT

Which industries have the most business establishments in ZIP 06890.

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 06890, Southport, 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

4,306

Population

7.5

Area (sq mi)

575

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 06890?

44.7

Median Age

45.6%

Male

54.4%

Female

11.6%

Foreign-Born

White 88.0%
African American 0.2%
Asian 6.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.7%
Hispanic or Latino 4.7%

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?

$218,841

Median Household Income

+94% vs state

$143,002

Per Capita Income

2.9%

Poverty Rate

3.5%

Unemployment Rate

How ZIP 06890 ranks nationally

Southport, CT household income vs. every US ZIP code

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

$218,841 Top 1% higher than 99% 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%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). Below this entry. $180,000–$200,000: 186 US ZIPs (1%). Below this entry. $200,000–$220,000: 324 US ZIPs (1%). This entry sits in this band. 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 91.0%
Bachelor's Degree or Higher 83.7%

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

What does housing look like?

1,921

Total Housing Units

1,791

Occupied Units

130

Vacant Units

2.55

Avg Household Size

Occupancy Type

Owner 86.6%
Renter 13.4%

$1,212,500

Median Home Value

+179% vs state

$3,119

Median Rent

1969

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

+19.8%

YoY Change (2024)

219

HPI Index (2000 = 100)

+119%

Total Change Since 2000

Home values in ZIP 06890 have increased 19.8% over the past year (2024). Since 2000, this ZIP has seen +119% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.0% 148
2021 +9.2% 162
2022 +9.4% 177
2023 +3.5% 183
2024 +19.8% 219

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 215 business establishments in ZIP 06890, employing approximately 2,421 people with a combined annual payroll of $197,359,000.

215

Businesses

2,421

Employees

$197.4M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 43 20.0%
Finance and insurance 37 17.2%
Health care and social assistance 20 9.3%
Other services (except public administration) 19 8.8%
Accommodation and food services 17 7.9%
Retail trade 16 7.4%
Real estate and rental and leasing 16 7.4%
Construction 10 4.7%
Wholesale trade 9 4.2%
Administrative and support and waste management and remediation services 9 4.2%
Information 8 3.7%
Transportation and warehousing 4 1.9%
Arts, entertainment, and recreation 3 1.4%

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 06890 vs 06824 →

ZIP 06890 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 06890 ranks #0 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 06890 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 06890 ranks #3 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
06824 Fairfield, CT 33,900 2.1 mi
06880 Westport, CT 26,647 3.0 mi
06605 Bridgeport, CT 23,397 3.9 mi
06825 Fairfield, CT 21,123 4.3 mi
06604 Bridgeport, CT 30,313 5.1 mi
06851 Norwalk, CT 26,703 6.0 mi
06612 Easton, CT 7,453 8.2 mi
06606 Bridgeport, CT 46,236 6.2 mi
06608 Bridgeport, CT 13,671 6.3 mi
06607 Bridgeport, CT 7,843 6.6 mi

More ZIP Codes in Fairfield County

06902 standard
Stamford, CT
Pop: 63,406
06810 standard
Danbury, CT
Pop: 49,482
06606 standard
Bridgeport, CT
Pop: 46,236
06484 standard
Shelton, CT
Pop: 39,559
06611 standard
Trumbull, CT
Pop: 36,091
06824 standard
Fairfield, CT
Pop: 33,900

Related Areas

Fairfield County Southport, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06890 in? ▼
ZIP code 06890 (Southport) is located in Fairfield County, Connecticut. Fairfield County contains multiple ZIP codes, see the full list at /counties/fairfield-ct.
What is the population of ZIP code 06890? ▼
ZIP code 06890 in Southport, CT has a population of 4,306 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06890? ▼
The median household income in ZIP 06890 is $218,841, which is 187% above the national average of $76,288.
What is the average home value in ZIP 06890? ▼
The median home value in ZIP 06890 is $1,212,500, which is 336% above the national average of $278,155.
What is the demographic makeup of ZIP 06890? ▼
The largest racial group in ZIP 06890 is White at 88.0%. Hispanic or Latino residents make up 4.7% of the population.
How many businesses are in ZIP code 06890? ▼
ZIP code 06890 has 215 business establishments employing approximately 2,421 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06890? ▼
The top industries by establishment count in ZIP 06890 are: Professional, scientific, and technical services (43), Finance and insurance (37), Health care and social assistance (20). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 06890? ▼
According to the FHFA House Price Index, home values in ZIP 06890 increased by 19.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 119%. 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 06890? ▼
In ZIP code 06890, 91.0% of residents aged 25+ have a high school diploma or higher, and 83.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 06890? ▼
In ZIP code 06890, approximately 86.6% of occupied housing units are owner-occupied and 13.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06890? ▼
The poverty rate in ZIP code 06890 is 2.9% 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.