The Year 2000 Land Use coverage was created as a joint effort of MAG and MAG member agency staff. Land Use components were classified into 46 categories. The Year 2000 Land Use coverage is used for a variety of planning purposes including socioeconomic forecasting and air quality modeling.

The centerlines feature class is intended to show current and future street centerlines in Maricopa County, Arizona.

The cities annex feature class is intended to track city and town annexations in Maricopa County, Arizona.

REQUIRED: A brief narrative summary of the data set.

This dataset contains the Maricopa County, Arizona City Council District boundaries for those cities with council districts. This includes Phoenix, Surprise, Buckeye, Peoria, Glendale and Mesa.

The 1995 Land Use coverage was created as a joint effort of MAG (Maricopa Association of Governments) and MAG member agency staff. Land Use components were classified into 24 categories. The 1995 Land Use coverage is used for a variety of planning purposes including socioeconomic forecasting and air quality modeling.

The address feature class is intended to show address locations in Maricopa County, Arizona.

Floodplain zones as approved by the Federal Emergency Management Agency (FEMA) for the Flood Insurance Rate Maps (FIRM). Differentiated according to the FEMA letter coding scheme.

Cross sections as approved by the Federal Emergency management Agency (FEMA) for the Flood Insurance Rate Maps (FIRM)

The City of Tempe ZIP Codes feature class is intended to show the USPS ZIP Code boundaries within Tempe, Arizona.

This is the digitized version of a map of the Hohokam canal system in what is now the Phoenix metropolitan area. It is based on the thesis research by J. B. Howard "Paleohydraulics: Techniques for modeling the operation and growth of prehistoric canal systems"

Water surface elevations of the base flood as approved by the Federal mergency management Agency (FEMA) for the Flood Insurance Rate Maps (FIRM). The base flood elevation, in feet, is in relation to the National Geodetic Vertical Datum of 1929. Profile baselines are for the Flood Insurance Rate Maps (FIRM). The cross section data are used for the production of Flood Insurance Rate Maps. The Flood Insurance Rate Maps (FIRMs) show different floodplains with different zone designations. These are primarily for insurance rating purposes, but the zone differentiation can be very helpful for other floodplain management purposes. The differentiated floodplain zones are used for the production of Flood Insurance Rate Maps. Maricopa County has been subdivided into FIRM panels for the publication and distribution of FIRMs. Profile baselines are for the Flood Insurance Rate Maps (FIRM).

The ZIP Codes feature class shows the USPS ZIP Code boundaries within Maricopa County, Arizona.

The Fire District boundaries in Maricopa County, Arizona show the response areas for parcels of land which are not protected by a local town or city for fire or medical emergencies.

This layer depicts the boundaries of the Technical Education Districts within Maricopa County, Arizona and as well as the internal council districts. There are two Technical Education Districts within Maricopa County; West-MEC (Western Maricopa Education Center) and EVIT (East Valley Institute of Technology).

The elementary school district dataset is intended to show all school districts within Maricopa County, Arizona. It is important to note the difference between Elementary School Districts, Unified School Districts and Union High School Districts. 1. When there is a Unified School District, the Elementary and High School District boundaries are the same and there is only one governing board.2. When there is a Union High School District, more than one individual Elementary School District feeds into that Union High School District. The governing board for the Union High School District and individual Elementary School Districts are separate.

The Existing Land Use (EXLU) dataset represents land use in Maricopa and Pinal Counties, Arizona. This dataset was created as a joint effort of MAG and MAG member agency staff. This dataset serves as a land use inventory and is used for a variety of planning purposes including socioeconomic forecasting and air quality modeling. Because of the level of generalization involved in creating this dataset, land use boundaries may not be accurate representations of ground conditions if used at small scales. These data were developed primarily from assessor parcel data collected in January 2021 for Maricopa County and October 2020 for Pinal County.

Maricopa County, Arizona Justice Precinct boundaries; 2012 - 2021. The precincts were approved by the Maricopa County Board of Supervisors on February 6th, 2012 and precleared by the Department of Justice on April 3rd, 2012. These boundaries were initially used in the Fall 2012 elections and subsequently used by law enforcement agencies between January 1st, 2013 and December 31st, 2022. The JusticePrecincts2022 dataset was used for election purposes in the Fall 2022 elections.

These data represent Socioeconomic Projections for the MAG Region by municipal planning area (MPA)*,adopted June 28, 2023, by the MAG Regional Council. An official set of projections is required to be used in transportation, air quality, and water quality management plans, as well as providing the base for all other regional planning activities. Current projections, therefore, are integral for managing future growth. The development of socioeconomic projections requires the collection and merging of a substantial amount of data from varying sources with differing data quality and resolution. These data include the following:Population and Housing: American Community Survey 5-year data (2017-2021),MAG Residential Completions database, County Property Assessment data, MAG/Arizona Department of Administration (ADOA) Annual Population Estimates.Group Quarters (Institutional and Non-institutional): MAG group quarters inventory.Detailed Population Characteristics: American Community Survey (ACS) Public Use Microdata Sample (PUMS) - 5-year data (2017-2021).Employment: MAG Employer Database, county level control totals developed from the Quarterly Census of Employment and Wages and Bureau of Labor Statistics (QCEW/BLS) data.Residential Completions: Current through 2022Q4, submitted and reviewed by MAG member agencies.Existing Land Use: Land use current as of December 2022, reviewed by MAG Population Technical Advisory Committee (POPTAC).Built Space: Maricopa County Assessor’s data current as of July 2022.Future Plans: General Plans current as of December 2022 or later, reviewed by MAG POPTAC.Development Data: data current as of 2023Q2 or later, reviewed by MAG POPTAC.TAZ system: TAZ2021b supplied by MAG Transportation Division.Educational institutions: Inventory of schools from Arizona Department of Education and post high school institutions.Mobile Home and RV Parks: Inventory of mobile home and RV parks.Retirement Areas: Age restricted communities reviewed by MAG POPTAC.Hotels/Motels/Resorts: Inventory of hotels/motels.For full documentation on the model process, please consult the Socioeconomic Projections Documentation: Data, Models, Methods, and Assumptions in the MAG Socioeconomic Projections 2023 on the MAG website at https://www.azmag.gov.These projections were adopted by the MAG Regional Council on June 28, 2023 for the MAG planning area. Areas outside of the MAG planning area are not adopted by the MAG Regional Council, but are prepared on behalf of Central Arizona Governments (CAG) and adopted separately.*Municipal planning areas are determined by the MAG member agencies in consultation with MAG staff. The MPAs identify the anticipated future corporate limits of a city or town.

The Supervisor Districts feature class illustrates the Maricopa County, Arizona five member board supervisor district boundaries. The boundaries also represent the Maricopa County Community College Districts and Special Healthcare Districts. The district boundaries were approved by the Maricopa County Board of Supervisors on February 6th, 2012 and precleared by the Department of Justice on April 3rd, 2012, and were initially used in the Fall 2012 elections. These districts were replaced by the Supervisor Districts that went into effect on June 30th, 2023.