Stamford, CT · standard
ZIP Code 06905
Fairfield County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 19,649
- 1,527/sq mi High-density area
- $136,757
- Median income Above-median income area
- $618,400
- Median home value Above-median home value
- 62.0%
- 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 6%
- household income, US ZIPs
- Top 9%
- home value, US ZIPs
- 1,527
- people per sq mi
- 62%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06905 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 06905 (Stamford, CT) rose +7.1% from 2023 to 2024. The all-transactions index moved from 199.3 in 2023 to 213.6 in 2024 (2000 = 100).
ZIP code 06905 is a mid-sized community (a standard USPS delivery area) in Stamford, Fairfield County, Connecticut, home to 19,649 residents across 12.9 square miles, a density of 1,527 people per square mile, in the New York time zone.
ZIP 06905 skews affluent, with a median household income of $136,757 (21% above the average Connecticut ZIP), while per-capita income is $71,881. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.9% and unemployment is 3.3%. Housing is both higher-cost and owner-heavy: median home value is $618,400 (42% above the average Connecticut ZIP), while 62.4% of occupied homes are owner-occupied and median rent is $2,318.
This is a highly-educated ZIP: 62.0% of adults hold a bachelor's degree or higher, the median age is 41.3, and the average commute is 27 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Fairfield County, so 06905 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 06905
Top 5 sectors by establishment count in Stamford, CT
Which industries have the most business establishments in ZIP 06905.
- Health care and social assistance
Health care and social assistance
205 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
152 establishments
- Retail trade
Retail trade
89 establishments
- Other services (except public administration)
Other services (except public administration)
83 establishments
- Administrative and support and waste management and remediation services 79
Administrative and support and waste management and remediation services
79 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 06905, 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
19,649
Population
12.9
Area (sq mi)
1,527
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 06905?
41.3
Median Age
47.7%
Male
52.3%
Female
27.6%
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?
$136,757
Median Household Income
+21% vs state ZIP avg
$71,881
Per Capita Income
5.9%
Poverty Rate
3.3%
Unemployment Rate
27.4 min
Mean Commute Time
How ZIP 06905 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)
$136,757 Top 20% higher than 80% 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
9,015housing units
9,015
Total Housing Units
8,503
Occupied Units
512
Vacant Units
2.41
Avg Household Size
Occupancy Type
$618,400
Median Home Value
+42% vs state ZIP avg
$2,318
Median Rent
1963
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
+7.1%
YoY Change (2024)
214
HPI Index (2000 = 100)
+114%
Total Change Since 2000
Home values in ZIP 06905 have increased 7.1% over the past year (2024). Since 2000, this ZIP has seen +114% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +0.1% | 151 |
| 2021 | +10.0% | 166 |
| 2022 | +8.7% | 180 |
| 2023 | +10.8% | 199 |
| 2024 | +7.1% | 214 |
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 949 business establishments in ZIP 06905, employing approximately 10,589 people with a combined annual payroll of $904,597,000.
949
Businesses
10,589
Employees
$904.6M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 205 | 21.6% |
| Professional, scientific, and technical services | 152 | 16.0% |
| Retail trade | 89 | 9.4% |
| Other services (except public administration) | 83 | 8.8% |
| Administrative and support and waste management and remediation services | 79 | 8.3% |
| Finance and insurance | 76 | 8.0% |
| Accommodation and food services | 71 | 7.5% |
| Construction | 53 | 5.6% |
| Real estate and rental and leasing | 38 | 4.0% |
| Wholesale trade | 32 | 3.4% |
| Educational services | 23 | 2.4% |
| Information | 21 | 2.2% |
| Arts, entertainment, and recreation | 13 | 1.4% |
| Transportation and warehousing | 6 | 0.6% |
| Manufacturing | 4 | 0.4% |
| Management of companies and enterprises | 4 | 0.4% |
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 06905 vs 06902 →
ZIP 06905 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
- 06820 20,732
Darien (06820)
20,732 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
What this shows Among its immediate neighbors, ZIP 06905 ranks #4 by population - useful context the national average alone can't give.
ZIP 06905 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06820
Darien (06820)
$250,000 median income
- 06840
New Canaan (06840)
$250,000 median income
- 06870
Old Greenwich (06870)
$250,000 median income
- 06878
Riverside (06878)
$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
- 06901
Stamford (06901)
$102,641 median income
What this shows By household income, ZIP 06905 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 06902 | Stamford, CT | 63,406 | 2.1 mi |
| 06907 | Stamford, CT | 9,016 | 1.5 mi |
| 06906 | Stamford, CT | 9,088 | 1.6 mi |
| 06901 | Stamford, CT | 6,828 | 2.4 mi |
| 06820 | Darien, CT | 20,732 | 3.3 mi |
| 06903 | Stamford, CT | 14,499 | 3.6 mi |
| 06807 | Cos Cob, CT | 7,150 | 3.2 mi |
| 06870 | Old Greenwich, CT | 7,316 | 4.3 mi |
| 06878 | Riverside, CT | 8,043 | 4.4 mi |
| 06840 | New Canaan, CT | 19,738 | 5.4 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 06905, 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 (19,649 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 06905 in?
ZIP code 06905 (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 06905?
ZIP code 06905 in Stamford, CT has a population of 19,649 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06905?
The median household income in ZIP 06905 is $136,757, which is 79% above the national average of $76,288.
What is the average home value in ZIP 06905?
The median home value in ZIP 06905 is $618,400, which is 122% above the national average of $278,155.
What is the demographic makeup of ZIP 06905?
The largest racial group in ZIP 06905 is White at 59.7%. Hispanic or Latino residents make up 17.3% of the population.
How many businesses are in ZIP code 06905?
ZIP code 06905 has 949 business establishments employing approximately 10,589 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06905?
The top industries by establishment count in ZIP 06905 are: Health care and social assistance (205), Professional, scientific, and technical services (152), Retail trade (89). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 06905?
According to the FHFA House Price Index, home values in ZIP 06905 increased by 7.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 114%. 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 06905?
In ZIP code 06905, 75.5% of residents aged 25+ have a high school diploma or higher, and 62.0% 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 06905?
The mean commute time for workers in ZIP code 06905 is 27.4 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 06905?
In ZIP code 06905, approximately 62.4% of occupied housing units are owner-occupied and 37.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06905?
The poverty rate in ZIP code 06905 is 5.9% 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 06905's numbers, next.
- See how ZIP 06905 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
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.