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US ZIP Code Profile

ZIP Code 06905
Stamford, Connecticut

ZIP code 06905 is in Stamford, located in Fairfield County, Connecticut, within the Bridgeport-Stamford-Norwalk metro area. Its 2020 Census population was 21,809. The estimated median adjusted gross income per tax return is $75,318, and about 18% of filers report $200,000 or more.

2020 Population
21,809
Census ZCTA
County
Fairfield
FIPS 09001
Median income (est.)
$75,318
IRS SOI 2022
Land Area
4.971 mi²
+ 0.01 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityStamford, CT
CountyFairfield County (FIPS 09001)
StateConnecticut (FIPS 09)
Metro Area (MSA)Bridgeport-Stamford-Norwalk, CT Metro Area (14860)
Census Region / DivisionNortheast Region · New England Division
Coordinates41.08837, -73.542915
Land / Water Area4.971 mi² land · 0.01 mi² water

02Income & Economics

Distribution of the 11,410 individual tax returns filed in 06905 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.8%
$25K–$50K
15.5%
$50K–$75K
13.6%
$75K–$100K
10.3%
$100K–$200K
21.4%
$200K+
18.4%
The $200,000+ bracket accounts for 60% of 06905's total adjusted gross income, from 18% of returns — a concentration that drives the gap between the median ($75,318) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 06905's IRS income metrics, 2020–2022.

Median income (2021→2022)
$75,318
▲ 3.1%
Filers earning $200K+
18.4%
▲ 1.0 pt
Total filers
11,410
▲ 1.9%
GET /zipc/v2/zipcodes/06905/soi?year=… $67K 2020 $73K 2021 $75K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 06905 ZCTA.

2000
20,130
 
2010
19,649
▼ -2.4%
2020
21,809
▲ +11.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 06905. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 06905

Stamford and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 06905 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number087718
City AliasesRidgeway, Stamford

07Frequently Asked Questions

What county is ZIP code 06905 in?

ZIP code 06905 is in Fairfield County, Connecticut (county FIPS code 09001).

What city is ZIP code 06905?

The primary USPS city for 06905 is Stamford, CT.

What metro area (MSA) is 06905 in?

06905 is part of the Bridgeport-Stamford-Norwalk, CT Metro Area (MSA code 14860).

What is the population of ZIP code 06905?

The 2020 Census population of 06905 was 21,809 residents.

What is the median income in ZIP code 06905?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 06905 is about $75,318, with around 18% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.