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The population count of Maricopa County, AZ was 4,253,913 in 2018. The population count of Pima County, AZ was 1,019,722 in 2018.

Population

Population Change

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

Demographics and Population Datasets Involving Maricopa County, AZ or Pima County, AZ

  • API

    Homeless Services Program Demographics

    citydata.mesaaz.gov | Last Updated 2024-05-14T05:41:07.000Z

    Information about individuals experiencing homelessness and receiving services through Maricopa Regional Continuum of Care Coordinated Entry Points managed by Maricopa Association of Governments (MAG). See Reporting Interval and Report Date columns for more information about the date range covered. Information about "Mesa residents only" defined by value "client" in Demographic Audience field. Information about all individuals (Mesa resident and non-resident) receiving services from a Mesa-based provider defined by value "provider" in the Demographic Audience field. Data is collected by the Homeless Management Information System Arizona (HMIS AZ). See also https://community.solari-inc.org/homeless-management-information-system/

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    City of Mesa Population

    citydata.mesaaz.gov | Last Updated 2023-07-03T14:48:13.000Z

    City of Mesa population and authoritative source for all City metrics with a population component, such as Crimes or Traffic Collisions per 1,000 residents provided by Census Bureau Population Estimates Program (PEP) updated annually as of July 1. See Population and Housing Unit Estimates (https://www.census.gov/programs-surveys/popest.html). Census PEP estimates are used for state revenue sharing per AZ statute (42-5033.01). 2010 and 2020-2022 from census decennial counts (2010 & 2020) and Vintage 2021 (V2021), Vintage 2022 (V2022) estimates found at https://www.census.gov/quickfacts/fact/table/mesacityarizona,US/PST045219. See schedule at https://www.census.gov/programs-surveys/popest/about/schedule.html. 2023-2040 population projections from Maricopa County Association of Governments (MAG) adopted June 2023 are found at https://azmag.gov/Programs/Maps-and-Data/Population-Housing/Population-and-Housing-Estimates 2011-2019 published by US Census population estimates found at https://www.census.gov/programs-surveys/popest/technical-documentation/research/evaluation-estimates/2020-evaluation-estimates/2010s-cities-and-towns-total.html Other sources of population estimates include US Census American Community Survey 1-year and 5-year Estimates at https://citydata.mesaaz.gov/d/n5gn-m5c3 and https://citydata.mesaaz.gov/Economic-Development/d/9nqf-ygw6, Arizona Office of Economic Opportunity (OEO) at https://www.azcommerce.com/oeo/population/population-estimates/ (see link for OEO methodology which differs slightly from official US Census Estimates) and City of Mesa Office of Economic Development at https://www.selectmesa.com/business-environment/demographics (ESRI Community Analyst).

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    Maricopa County Regional Work Zone Data Exchange (WZDx) v3.0 Feed Sample

    datahub.transportation.gov | Last Updated 2024-05-13T17:45:57.000Z

    The WZDx Specification enables infrastructure owners and operators (IOOs) to make harmonized work zone data available for third party use. The intent is to make travel on public roads safer and more efficient through ubiquitous access to data on work zone activity. Specifically, the project aims to get data on work zones into vehicles to help automated driving systems (ADS) and human drivers navigate more safely. MCDOT leads the effort to aggregate and collect work zone data from the AZTech Regional Partners. A continuously updating archive of the WZDx feed data can be found at <a href="http://usdot-its-workzone-publicdata.s3.amazonaws.com/index.html" target="_blank" rel="noopener">ITS WorkZone Data Sandbox</a>. The live feed is currently compliant with <a href="https://github.com/usdot-jpo-ode/jpo-wzdx/tree/v3.0" target="_blank" rel="noopener">WZDx specification version 3.0</a>.

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    Maricopa County Regional Work Zone Data Exchange (WZDx) v1.1 Feed Sample

    datahub.transportation.gov | Last Updated 2024-05-13T17:44:37.000Z

    The WZDx Specification enables infrastructure owners and operators (IOOs) to make harmonized work zone data available for third party use. The intent is to make travel on public roads safer and more efficient through ubiquitous access to data on work zone activity. Specifically, the project aims to get data on work zones into vehicles to help automated driving systems (ADS) and human drivers navigate more safely. MCDOT leads the effort to aggregate and collect work zone data from the AZTech Regional Partners. A continuously updating archive of the WZDx feed data can be found at <a href="http://usdot-its-workzone-publicdata.s3.amazonaws.com/index.html" target="_blank" rel="noopener">ITS WorkZone Data Sandbox</a>. The live feed is currently compliant with <a href="https://github.com/usdot-jpo-ode/jpo-wzdx/tree/v1.1" target="_blank" rel="noopener">WZDx specification version 1.1</a>.

  • API

    2010 Census/ACS Basic Block Group Data

    data.kcmo.org | Last Updated 2021-11-12T14:15:42.000Z

    basic characteristics of people and housing for individual 2010 census block groups

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    2010 Census/ACS Detailed Block Group Data

    data.kcmo.org | Last Updated 2021-11-12T14:22:17.000Z

    detailed characteristics of people and housing for individual 2010 census block groups

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    National Immunization Survey Adult COVID Module (NIS-ACM): COVIDVaxViews| Data | Centers for Disease Control and Prevention (cdc.gov)

    data.cdc.gov | Last Updated 2024-04-17T14:18:52.000Z

    • National Immunization Survey Adult COVID Module (NIS-ACM): CDC is providing information on the Updated 2023-24 COVID-19 vaccine confidence to supplement vaccine administration data. These data represent trends in vaccination status and intent, and other behavioral indicators, by demographics and other characteristics. • The data start in October 2023. • The archived data can be found here:

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    National Immunization Survey Child COVID Module (NIS-CCM): COVIDVaxViews| Data | Centers for Disease Control and Prevention (cdc.gov)

    data.cdc.gov | Last Updated 2024-01-24T15:15:26.000Z

    National Immunization Survey Child COVID Module (NIS-CCM): CDC is providing information on COVID-19 vaccine uptake and confidence. These data represent trends in vaccination status and intent, and other behavioral indicators, by demographics and other characteristics.