PlainZIP

Stamford, CT · standard

ZIP Code 06903

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

14,499
320/sq mi
$204,028
Median income
$911,000
Median home value
70.5%
Bachelor's or higher

The verdict

Stamford 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 3%
home value, US ZIPs
320
people per sq mi
93%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06903 against every reporting US ZIP.

ZIP code 06903 is a mid-sized community (a standard USPS delivery area) in Stamford, Fairfield County, Connecticut, home to 14,499 residents across 45.3 square miles, a density of 320 people per square mile, in the New York time zone.

ZIP 06903 skews affluent, with a median household income of $204,028 (80% above the Connecticut average), while per-capita income is $109,491. The poverty rate stands at 2.6% and the unemployment rate at 4.2%. The typical home here is valued at $911,000 (110% above the state average); renters pay a median of $3,501 monthly, and 93.2% of units are owner-occupied.

This is a highly-educated ZIP: 70.5% of adults hold a bachelor's degree or higher, the median age is 48.6, and the average commute is 40 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 06903, plus 6 more within Fairfield 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 06903

Top 5 sectors by establishment count in Stamford, CT

Which industries have the most business establishments in ZIP 06903.

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 06903, Stamford, 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

14,499

Population

45.3

Area (sq mi)

320

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 06903?

48.6

Median Age

50.1%

Male

49.9%

Female

16.6%

Foreign-Born

White 74.3%
African American 6.9%
Asian 5.5%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.3%
Two or More Ethnicities 11.4%
Hispanic or Latino 10.7%

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?

$204,028

Median Household Income

+80% vs state

$109,491

Per Capita Income

2.6%

Poverty Rate

4.2%

Unemployment Rate

40.4 min

Mean Commute Time

How ZIP 06903 ranks nationally

Stamford, CT household income vs. every US ZIP code

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

$204,028 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 80.5%
Bachelor's Degree or Higher 70.5%

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

What does housing look like?

5,143

Total Housing Units

4,882

Occupied Units

261

Vacant Units

2.83

Avg Household Size

Occupancy Type

Owner 93.2%
Renter 6.8%

$911,000

Median Home Value

+110% vs state

$3,501

Median Rent

1966

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

-1.1%

YoY Change (2024)

169

HPI Index (2000 = 100)

+69%

Total Change Since 2000

Home values in ZIP 06903 have decreased 1.1% over the past year (2024). Since 2000, this ZIP has seen +69% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.3% 126
2021 +8.2% 136
2022 +10.4% 150
2023 +13.8% 171
2024 -1.1% 169

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 260 business establishments in ZIP 06903, employing approximately 1,460 people with a combined annual payroll of $93,307,000.

260

Businesses

1,460

Employees

$93.3M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 50 19.2%
Construction 36 13.8%
Administrative and support and waste management and remediation services 29 11.2%
Health care and social assistance 26 10.0%
Other services (except public administration) 18 6.9%
Retail trade 16 6.2%
Real estate and rental and leasing 15 5.8%
Educational services 15 5.8%
Wholesale trade 13 5.0%
Accommodation and food services 12 4.6%
Finance and insurance 10 3.9%
Arts, entertainment, and recreation 7 2.7%
Transportation and warehousing 5 1.9%
Information 4 1.5%

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 06903 vs 06905 →

ZIP 06903 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 06903 ranks #4 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 06903 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 06903 ranks #6 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
06905 Stamford, CT 19,649 3.6 mi
10576 Pound Ridge, NY 5,116 5.4 mi
06907 Stamford, CT 9,016 3.6 mi
06807 Cos Cob, CT 7,150 5.2 mi
06840 New Canaan, CT 19,738 4.1 mi
06902 Stamford, CT 63,406 5.5 mi
06870 Old Greenwich, CT 7,316 7.4 mi
06906 Stamford, CT 9,088 5.2 mi
06878 Riverside, CT 8,043 7.2 mi
10506 Bedford, NY 5,790 4.9 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 Stamford, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06903 in? ▼
ZIP code 06903 (Stamford) 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 06903? ▼
ZIP code 06903 in Stamford, CT has a population of 14,499 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06903? ▼
The median household income in ZIP 06903 is $204,028, which is 167% above the national average of $76,288.
What is the average home value in ZIP 06903? ▼
The median home value in ZIP 06903 is $911,000, which is 228% above the national average of $278,155.
What is the demographic makeup of ZIP 06903? ▼
The largest racial group in ZIP 06903 is White at 74.3%. Hispanic or Latino residents make up 10.7% of the population.
How many businesses are in ZIP code 06903? ▼
ZIP code 06903 has 260 business establishments employing approximately 1,460 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06903? ▼
The top industries by establishment count in ZIP 06903 are: Professional, scientific, and technical services (50), Construction (36), Administrative and support and waste management and remediation services (29). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 06903? ▼
According to the FHFA House Price Index, home values in ZIP 06903 decreased by 1.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 69%. 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 06903? ▼
In ZIP code 06903, 80.5% of residents aged 25+ have a high school diploma or higher, and 70.5% 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 06903? ▼
The mean commute time for workers in ZIP code 06903 is 40.4 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 06903? ▼
In ZIP code 06903, approximately 93.2% of occupied housing units are owner-occupied and 6.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06903? ▼
The poverty rate in ZIP code 06903 is 2.6% 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.