Residential delivery area · Connecticut
ZIP Code 06905: Stamford, CT
ZIP code 06905 is in Stamford, Connecticut, entirely in Fairfield County (Census 2020 ZIP-county file). About 21,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Stamford's 6 residential ZIP codes. Median household income is $136,757 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Stamford · 6 residential ZIPs
- County
- Fairfield County
- Census places
- Stamford
- House district
- CT-4 119th Congress
- State
- Connecticut
- Time zone
- Eastern
- Land area
- 5.1 sq mi · 4,087 people per sq mi
- PO Box ZIPs
- 11 more ZIP codes use the name Stamford for PO boxes or single organizations
Where is ZIP code 06905?
06905 centers on 41.088°, -73.544° and covers 5.1 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 06906, 06907, 06902, 06901, 06903.
The map draws ZIP code areas only. For the streets inside 06905, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 06905 compare with the rest of Stamford?
| Measure | 06905 | In Stamford | In Fairfield County | In CT |
|---|---|---|---|---|
| People (ACS 2020-2024) | 20,725 | 2nd of 6 | 21st of 46 | 64th of 288 |
| Median household income | $137k | 2nd of 6 | 24th of 45 | 47th of 228 |
| Median home value | $618k | 2nd of 6 | 19th of 46 | 24th of 245 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 92% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 06905?
The 2020 Census counted 21,809 people in 06905; the ACS, which samples households over 2020-2024, estimates 20,725. Between the 2010 and 2020 censuses its population grew 11.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 20,725
- 2020 Census count
- 21,809+11.0% since 2010 (19,649)
- Households
- 8,503
- Median age
- 41.3
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 06905?
Of the 20,725 people the ACS estimates in 06905, 17.9% are under 18 and 19.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (57.6%), then Hispanic or Latino (17.3%).
- Under 1817.9%
- 18 to 6462.4%
- 65 and older19.7%
- White, not Hispanic57.6%
- Hispanic or Latino17.3%
- Black, not Hispanic12.6%
- Asian, not Hispanic8.5%
- Other or two or more4.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 06905 earn?
Median household income is $136,757 (ACS 2020-2024), the 24th highest of the 45 ranked ZIP codes in Fairfield County. It fell from $155,122 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $136,757
- Income per person
- $71,881
- Below the poverty line
- 5.9%
- Unemployed (of the labor force)
- 3.3%
- Adults 25+ with a bachelor's degree
- 62.0%
- Adjusted gross income per tax return, 2022
- $138,43211,410 returns; wages 70% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 06905?
FHFA's house price index for 06905, built from repeat sales and appraisals of the same homes, rose 59% from 2015 to 2025 and rose 52% from 2020 to 2025, and moved +6.8% in 2025.
- Median home value (owners' estimate)
- $618,400
- Median gross rent
- $2,318
- Homes owned by their occupants
- 62.4%
- Housing units
- 9,015
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 06905?
949 business establishments had a location in this ZIP code in 2023, 34 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance205
- Professional, scientific, and technical services152
- Retail trade89
- Other services (except public administration)83
- Administrative and support and waste management and remediation services79
- Finance and insurance76
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 06905?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 06906 | Stamford | 9,199 | $94k | 1.5 mi |
| 06907 | Stamford | 8,705 | $106k | 1.6 mi |
| 06902 | Stamford | 73,392 | $95k | 2.0 mi |
| 06901 | Stamford | 11,037 | $103k | 2.4 mi |
| 06903 | Stamford | 14,010 | $204k | 3.6 mi |
| 06807 | Cos Cob | 7,650 | $192k | 3.3 mi (near) |
| 06820 | Darien | 21,936 | $250k+ | 3.4 mi (near) |
| 06878 | Riverside | 8,328 | $250k+ | 4.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.