What city is 06905 in?

06905 is a Stamford, CT mailing address. By land area, 100% lies inside Stamford.

What is the population of 06905?

About 20,725 people (±1,249), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 21,809.

What is the median household income in 06905?

$136,757 (±$3,575), compared with $95,781 for Connecticut as a whole. Half the households in the ZIP code earn more and half earn less.

How many carrier routes and mailboxes are in 06905?

21 USPS carrier routes with 9,046 residential and 725 business mailboxes (9,940 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.

What ZIP codes are near 06905?

The closest, measured center to center: 06906 (1.5 mi, Stamford), 06907 (1.6 mi, Stamford), 06902 (2 mi, Stamford), 06901 (2.4 mi, Stamford), 06807 (3.3 mi, Cos Cob) and 06820 (3.4 mi, Tokeneke).

06905 ZIP Code, Stamford, CT

06905 is a ZIP code in Stamford, Connecticut in Fairfield County. It covers 5.1 square miles of land. The closest ZIP codes are 06906, 06907 and 06902. 20,725 people live here in 8,503 households. At about 4,087 people per square mile it is built up to city-neighborhood density, and owners and renters are mixed (62% own). Median household income is $136,757, above the Connecticut median of $95,781.

Quick facts

Mailing city: Stamford, CT
County: Fairfield County
Land area: 5.1 sq mi
Population: 20,725
Median household income: $136,757
Carrier routes: 21 (9,046 homes)

Key figures

Measure	Value
Residents	20,725
Households	8,503
Median household income	$136,757
Income per person	$71,881
Median age	41.3
Homeowners	62.4%
Median home value	$618,400
Median rent	$2,318
Bachelor's degree or higher	62.0%
Average commute (minutes)	27.4
Households with kids under 18	27.5%
Moved in the past year	14.7%
Below the poverty line	5.9%
Broadband internet	95.6%
Speak a non-English language at home	30.9%

Household income

% of households	Value
<$10K	3.7%
$10–15K	1.6%
$15–25K	3.3%
$25–35K	5.0%
$35–50K	6.3%
$50–75K	7.5%
$75–100K	5.4%
$100–150K	26.9%
$150–200K	13.7%
$200K+	26.7%

Age

% of all residents	Value
<10	9.5%
10–19	10.4%
20–24	5.8%
25–34	15.2%
35–44	14.8%
45–54	13.5%
55–64	11.0%
65–74	12.3%
75+	7.5%

Tenure

% of housing units	Value
Owned, with mortgage	41.6%
Owned outright	17.4%
Rented	35.3%
Vacant	5.6%

Type of building

% of housing units	Value
Detached house	51.1%
Townhome	5.0%
2–4 units	7.0%
5–19 units	10.6%
20+ units	26.0%
Mobile / other	0.3%

Businesses in 06905

949 business establishments with 10,589 employees (ZIP Codes Business Patterns 2023).

Health Care and Social Assistance: 205
Professional, Scientific, and Technical Services: 152
Retail Trade: 89
Other Services (except Public Administration): 83
Administrative and Support and Waste Management and Remediation Services: 79
Finance and Insurance: 76
Accommodation and Food Services: 71
Construction: 53

EDDM carrier routes

06905 has 21 USPS carrier routes with 9,046 residential and 725 business mailboxes. Open the EDDM route map.

Carrier routes in 06905

06905 has 21 USPS carrier routes (21 city (C)) with 9,046 residential and 725 business mailboxes. Routes range from 249 homes (C006) to 907 homes (C014); the median route has 380 homes. The Census counted 8,503 households in 06905 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per route	Routes
1–249	1
250–499	16
500–749	2
750–999	2
1,000–1,499	0
1,500+	0

Best routes in 06905 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

Route C026 — USPS business mailboxes 215, 794 homes
Route C006 — USPS business mailboxes 141, 249 homes
Route C022 — USPS business mailboxes 77, 338 homes
Route C028 — USPS business mailboxes 47, 298 homes
Route C002 — USPS business mailboxes 46, 612 homes

Select these 5 routes on the route map

Every carrier route in 06905

Route	Type	Homes	Businesses	Est. median income	Est. owners	Est. families with kids	Est. moved in past year
C001	City	414	8	$169,893	—	—	—
C002	City	612	46	$100,119	—	—	—
C003	City	456	3	$101,219	—	—	—
C005	City	497	5	$115,343	—	—	—
C006	City	249	141	$142,262	—	—	—
C007	City	342	0	$173,214	—	—	—
C008	City	517	2	$142,262	—	—	—
C010	City	325	0	$151,048	—	—	—
C011	City	463	4	$173,214	—	—	—
C012	City	393	11	$200,001+	—	—	—
C013	City	333	23	$135,463	—	—	—
C014	City	907	37	$69,570	—	—	—
C015	City	464	42	$107,966	—	—	—
C017	City	291	45	$135,463	—	—	—
C020	City	282	3	$199,510	—	—	—
C022	City	338	77	$115,343	—	—	—
C024	City	376	0	$154,501	—	—	—
C025	City	380	3	$115,343	—	—	—
C026	City	794	215	$107,966	—	—	—
C027	City	315	13	$115,343	—	—	—
C028	City	298	47	$107,966	—	—	—

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 06905 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

06906 — Stamford city, CT (1.5 mi)
06907 — Stamford city, CT (1.6 mi)
06902 — Stamford city, CT (2 mi)
06901 — Stamford city, CT (2.4 mi)
06807 — Cos Cob CDP, CT (3.3 mi)
06820 — Tokeneke CDP, CT (3.4 mi)
06903 — Stamford city, CT (3.6 mi)
06878 — Riverside CDP, CT (4.5 mi)

Areas that include 06905

Stamford, CT ZIP codes — 6 ZIP codes
Fairfield County ZIP codes — 46 ZIP codes
Connecticut ZIP code data

Where it ranks

Mail every home in 06905

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 06905, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 06905 in?: 06905 is a Stamford, CT mailing address. By land area, 100% lies inside Stamford.
What county is 06905 in?: 06905 is in Fairfield County.
What is the population of 06905?: About 20,725 people (±1,249), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 21,809.
What is the median household income in 06905?: $136,757 (±$3,575), compared with $95,781 for Connecticut as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 06905?: 21 USPS carrier routes with 9,046 residential and 725 business mailboxes (9,940 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 06905?: The closest, measured center to center: 06906 (1.5 mi, Stamford), 06907 (1.6 mi, Stamford), 06902 (2 mi, Stamford), 06901 (2.4 mi, Stamford), 06807 (3.3 mi, Cos Cob) and 06820 (3.4 mi, Tokeneke).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.