Stamford, CT Profile: Facts, Map & Data


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Stamford, Connecticut - Basic Facts

The City of Stamford is the 2nd largest city in Connecticut with a population of 133,021 as of July 1, 2017. Stamford ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Connecticut. See peer rankings below.

The primary coordinate point for Stamford is located at latitude 41.0799 and longitude -73.546 in Fairfield County. The formal boundaries for the City of Stamford (see map below) encompass a land area of 37.62 sq. miles and a water area of 14.41 sq. miles. Fairfield County is in the Eastern time zone (GMT -5). The elevation is 13 feet.

The City of Stamford (GNIS ID: 2378291) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Stamford is located within Town of Stamford, a minor civil division (MCD) of Fairfield County.

Beneath the boundary map are tables with Stamford population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Stamford: Rippowams.

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City of Stamford, CT Boundary Map

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Stamford, CT Data & Demographics (As of July 1, 2017)


Total Population 133,021
Daytime Population: Workers 102,107
Daytime Population: Residents 61,719
Total Daytime Population (TDP) 163,826
Ratio TDP/Total Population1 1.23
Population in Households 131,668
Population in Familes 101,749
Population in Group Qrtrs 1,353
Population Density2 3,536
Diversity Index3 77


Median Household Income $82,461
Average Household Income $127,754
Per Capita Income $48,829


Total Housing Units 53,438 (100%)
Owner Occupied HU 25,851 (48.4%)
Renter Occupied HU 24,718 (46.3%)
Vacant Housing Units 2,869 ( 5.4%)
Median Home Value $555,878
Average Home Value $599,019


Total Households 50,569
Average Household Size 2.6
Family Households 31,733
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.13% 0.89%
Households 0.91% 0.8%
Families 0.77% 0.7%
Median Household Income   3.15%
Per Capita Income   2.67%

Stamford, CT - Peer Comparisons by Rank and Percentile

The table below compares Stamford to the other 142 incorporated cities, towns and CDPs in Connecticut by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 2 99th
Population Density # 19 87th
Diversity Index # 10 94th
Median Household Income # 50 65th
Per Capita Income # 40 73rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Connecticut Census Data Comparison Tool.

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