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 High-density area
- $204,028
- Median income Above-median income area
- $911,000
- Median home value Above-median home value
- 70.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 06903 (Stamford, CT) fell -1.1% from 2023 to 2024. The all-transactions index moved from 170.8 in 2023 to 168.9 in 2024 (2000 = 100).
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 average Connecticut ZIP), while per-capita income is $109,491. The poverty rate is 2.6%, with unemployment at 4.2%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $911,000 (110% above the average Connecticut ZIP), while 93.2% of occupied homes are owner-occupied and median rent is $3,501.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Fairfield County, so 06903 can be compared with both its immediate and county-level context.
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.
- Professional, scientific, and technical services
Professional, scientific, and technical services
50 establishments
- Construction
Construction
36 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
29 establishments
- Health care and social assistance
Health care and social assistance
26 establishments
- Other services (except public administration) 18
Other services (except public administration)
18 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, 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
Who lives in ZIP 06903?
48.6
Median Age
50.1%
Male
49.9%
Female
16.6%
Foreign-Born
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 ZIP avg
$109,491
Per Capita Income
2.6%
Poverty Rate
4.2%
Unemployment Rate
40.4 min
Mean Commute Time
How ZIP 06903 ranks among Connecticut ZIPs
Stamford, CT household income vs. every Connecticut ZIP code
Median household income among 270 reporting Connecticut ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$204,028 Top 5% higher than 95% of 270 Connecticut ZIPs
Each bar is a $20K-wide band; taller bars hold more Connecticut 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
5,143housing units
5,143
Total Housing Units
4,882
Occupied Units
261
Vacant Units
2.83
Avg Household Size
Occupancy Type
$911,000
Median Home Value
+110% vs state ZIP avg
$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.
- 06902
Stamford (06902)
63,406 residents
- 06840 19,738
New Canaan (06840)
19,738 residents
- 06905 19,649
Stamford (06905)
19,649 residents
- 06903 14,499
Stamford (06903)
14,499 residents
- 06906 9,088
Stamford (06906)
9,088 residents
- 06907 9,016
Stamford (06907)
9,016 residents
- 06878 8,043
Riverside (06878)
8,043 residents
- 06870 7,316
Old Greenwich (06870)
7,316 residents
- 06807 7,150
Cos Cob (06807)
7,150 residents
What this shows Among its immediate neighbors, ZIP 06903 ranks #4 by population - useful context the national average alone can't give.
ZIP 06903 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06840
New Canaan (06840)
$250,000 median income
- 06870
Old Greenwich (06870)
$250,000 median income
- 06878
Riverside (06878)
$250,000 median income
- 10506
Bedford (10506)
$250,000 median income
- 10576
Pound Ridge (10576)
$250,000 median income
- 06903
Stamford (06903)
$204,028 median income
- 06807
Cos Cob (06807)
$192,115 median income
- 06905
Stamford (06905)
$136,757 median income
- 06907
Stamford (06907)
$106,379 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 06903, both outside CT so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (14,499 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Fairfield County
Related Areas
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.
Related
Take this with you
What to do with ZIP 06903's numbers, next.
- See how ZIP 06903 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Stamford, CT ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.