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The population density of Cecil County, MD was 296 in 2018. The population density of St. Mary's County, MD was 312 in 2018. The population density of Alexandria city, VA was 10,415 in 2018.

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 http://opendatanetwork.com. 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. http://opendatanetwork.com/region/1600000US5363000/Seattle_WA

Geographic and Population Datasets Involving Cecil County, MD or St. Mary's County, MD or Alexandria city, VA

  • API

    MD COVID-19 - Cases by County

    opendata.maryland.gov | Last Updated 2023-02-06T16:49:42.000Z

    <b>Summary</b> The cumulative number of positive COVID-19 cases among Maryland residents within a single Maryland jurisdiction. <b>Description</b> The MD COVID-19 - Cases by County data layer is a collection of positive COVID-19 test results that have been reported each day by the local health department via the ESSENCE system. <b>Terms of Use</b> The Spatial Data, and the information therein, (collectively the "Data") is provided "as is" without warranty of any kind, either expressed, implied, or statutory. The user assumes the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted, nor is any responsibility for reliance thereon assumed. In no event shall the State of Maryland be liable for direct, indirect, incidental, consequential or special damages of any kind. The State of Maryland does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data, nor is there responsibility assumed to maintain the Data in any manner or form. The Data can be freely distributed as long as the metadata entry is not modified or deleted. Any data derived from the Data must acknowledge the State of Maryland in the metadata.

  • API

    MDOT/MVA Electric and Plug-in Hybrid Vehicle Registrations by County as of each month end from July 2020 to December 2022

    opendata.maryland.gov | Last Updated 2023-01-17T22:15:33.000Z

    Total number of electric and plug-in hybrid vehicles with active MD registrations by county as of each month end from July 2020 to December 2022

  • API

    Maryland Resident Population Per Square Mile: 2010-2020

    opendata.maryland.gov | Last Updated 2022-04-08T18:59:46.000Z

    Resident population density for Maryland and Jurisdictions per square mile from 2010 to 2020. Source: U.S. Bureau of Census

  • API

    MD COVID-19 - Confirmed Deaths by County

    opendata.maryland.gov | Last Updated 2023-02-06T16:51:48.000Z

    <b>Summary</b> The cumulative number of confirmed COVID-19 deaths among Maryland residents within a single Maryland jurisdiction. <b>Description</b> The MD COVID-19 - Confirmed Deaths by County data layer is a collection of the statewide confirmed COVID-19 related deaths that have been reported each day by the Vital Statistics Administration that have occurred in each Maryland jurisdiction. A death is classified as confirmed if the person had a laboratory-confirmed positive COVID-19 test result. Some data on deaths may be unavailable due to the time lag between the death, typically reported by a hospital or other facility, and the submission of the complete death certificate. This data layer does not include probable deaths. Probable deaths are available from the MD COVID-19 - Probable Deaths by County data layer. <b>Terms of Use</b> The Spatial Data, and the information therein, (collectively the "Data") is provided "as is" without warranty of any kind, either expressed, implied, or statutory. The user assumes the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted, nor is any responsibility for reliance thereon assumed. In no event shall the State of Maryland be liable for direct, indirect, incidental, consequential or special damages of any kind. The State of Maryland does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data, nor is there responsibility assumed to maintain the Data in any manner or form. The Data can be freely distributed as long as the metadata entry is not modified or deleted. Any data derived from the Data must acknowledge the State of Maryland in the metadata.

  • API

    Maryland Total Change in Resident Population: 2020-2021

    opendata.maryland.gov | Last Updated 2022-10-12T19:33:39.000Z

    Total Change in Resident Population in Maryland and its Jurisdictions by year from July 1, 2020 to July 1, 2021.

  • API

    MD COVID-19 - Vaccinations by County

    opendata.maryland.gov | Last Updated 2023-02-03T17:11:08.000Z

    <b>Summary</b> The cumulative number of COVID-19 vaccinations within a single Maryland jurisdiction. <b>Description</b> The MD COVID-19 - Vaccinations by County data layer is a collection of COVID-19 vaccinations that have been reported each day into ImmuNet. <b>Terms of Use</b> The Spatial Data, and the information therein, (collectively the "Data") is provided "as is" without warranty of any kind, either expressed, implied, or statutory. The user assumes the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted, nor is any responsibility for reliance thereon assumed. In no event shall the State of Maryland be liable for direct, indirect, incidental, consequential or special damages of any kind. The State of Maryland does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data, nor is there responsibility assumed to maintain the Data in any manner or form. The Data can be freely distributed as long as the metadata entry is not modified or deleted. Any data derived from the Data must acknowledge the State of Maryland in the metadata.

  • API

    Maryland Domestic Migration: 2010-2021

    opendata.maryland.gov | Last Updated 2022-09-29T21:33:58.000Z

    Domestic Migration in Maryland and its Jurisdictions from 2010 to 2021. Domestic migration will also include the net change in group quarters population. Source: Population Division, U.S. Census bureau, May 2021.

  • API

    Population Estimates 2010-2021

    opendata.maryland.gov | Last Updated 2022-11-08T00:19:24.000Z

    Maryland Total Resident Population from 2010 - 2021 based on US Census Data

  • API

    Maryland Total Migration: 2000-2021

    opendata.maryland.gov | Last Updated 2022-10-03T20:23:48.000Z

    Maryland Total (International and Domestic) Migration from 2000 to 2020. Source from the Population Division, U.S. Census Bureau.

  • API

    Maryland International Migration: 2001-2021

    opendata.maryland.gov | Last Updated 2022-10-03T21:16:24.000Z

    Maryland International Migration from 2001 to 2021, which includes net foreign-born international migration, net movement to/ from Puerto Rico, net Armed Forces movement and native emigration. Source from the Population Division, U.S. Census Bureau, March 2022.