The population density of Fairfield County, CT was 1,516 in 2017.

Population Density

Population Density is computed by dividing the total population by Land Area Per Square Mile.

Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API - Notes:

1. ODN datasets and APIs are subject to change and may differ in format from the original source data in order to provide a user-friendly experience on this site.

2. To build your own apps using this data, see the ODN Dataset and API links.

3. If you use this derived data in an app, we ask that you provide a link somewhere in your applications to the Open Data Network with a citation that states: "Data for this application was provided by the Open Data Network" where "Open Data Network" links to Where an application has a region specific module, we ask that you add an additional line that states: "Data about REGIONX was provided by the Open Data Network." where REGIONX is an HREF with a name for a geographical region like "Seattle, WA" and the link points to this page URL, e.g.

Geographic and Population Datasets Involving Fairfield County, CT

  • API

    Department of Corrections Quarterly Average Facilty Population | Last Updated 2019-07-18T16:17:37.000Z

    CT Department of Correction quarterly average inmate population in State of Connecticut correctional facilities.

  • API

    Populated Places in Connecticut | Last Updated 2015-04-06T14:07:46.000Z

    A listing of named populated places within Connecticut. This listing represents a subset of place names in Connecticut from the U.S. Board on Geographic Names, and is limited to populated places.

  • API

    WIC Authorized Vendors | Last Updated 2019-04-19T02:32:14.000Z

    A list of food stores and pharmacies that are currently authorized by the Connecticut WIC Program to accept WIC checks as of February 15, 2019.

  • API

    WAOFM - Census - Population and Housing, 2000 and 2010 | Last Updated 2016-08-09T16:23:33.000Z

    Population and housing information extracted from decennial census Public Law 94-171 redistricting summary files for Washington state for years 2000 and 2010.

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    CT Transit Bus Stops | Last Updated 2015-06-02T23:44:51.000Z

    This data set City of Hartford on 6/2/2015 and consists of all of the bus stops in the Hartford Area. Through an agreement with CT Transit this data set will be updated as the stops are updated.

  • API

    WAOFM - Census - Population Density by County by Decade, 1900 to 2010 | Last Updated 2016-08-09T16:28:24.000Z

    Washington state population density by county by decade 1900 to 2010.

  • API

    2015-2040 Population Projections - State, County, and Regional Councils of Governments Level | Last Updated 2018-06-29T19:50:59.000Z

    The 2015 to 2040 population projections for the state of Connecticut were developed by the Connecticut State Data Center for planning, analysis, and to inform decision making. The projections are individual population projections for the resident population of Connecticut and were developed on July 31, 2017 and revised and republished on September 19, 2017 to address an error in the original dataset that was published on July 31, 2017. The County and Regional Council of Government Projections were published on June 29, 2018 and are based on the projections developed on September 19, 2017. These projections supersede the 2012 edition of the population projections developed by the Connecticut State Data Center.

  • API

    Choose Maryland: Compare Counties - Demographics | Last Updated 2019-07-16T15:59:38.000Z

    Population profile - total, rate of change, age, and density.

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    Education Directory | Last Updated 2019-04-19T02:43:58.000Z

    This dataset contains the official listing of all public educational organizations in Connecticut as of April 2, 2019. Data elements include district name, school name, organization type, organization code, address, open date, interdistrict magnet status and grades offered. Included data are collected by the CT State Department of Education (CSDE) through the Directory Manager (DM) portal in accordance with Connecticut General Statute (C.G.S.) 10-4. This critical information is used by other data collection systems and for state and federal reporting. For more information regarding DM, please visit

  • API

    Connecticut Acute Care Hospitals | Last Updated 2019-04-19T02:34:38.000Z

    Connecticut Acute Care Hospitals