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ZIP Code ZCTA American Community Survey Data Profiles
  .. ZIP Code 2023 ACS Data Profiles: Demographic, Social, Economic, Housing
  .. use with Visual Data Analytics (VDA) Geographic Information Systems (GIS)

The primary purpose of using the ZIP Code ZCTA project is to provide mapping and related support for the demographic-economic estimates. For example, development of a view of 2023 America Community Survey percent high school graduates or median household income. Use the data contained in the Demographic, Social, Economic, Housing layers described in detail by the metadata files.

Understanding ZIP Codes vs ZCTAs
It is important to distinguish between ZIP Codes and ZIP Code Tabulation Areas (ZCTAs):

ZIP Codes (USPS)
  • Used by USPS for mail delivery as lines, not polygons.
  • Often dual-sided (each side of a street may belong to a different area).
  • No official ZIP Code area polygons or shapefiles are produced by the USPS or other agencies.

ZCTAs (Census Bureau)
  • Polygonal areas developed by the U.S. Census Bureau for data tabulation.
  • Emulate ZIP Codes, based on respondent data.
  • Not all areas have mail delivery; ZCTAs do not cover the entire U.S.
  • Data for ZCTAs are tabulated from the Census, ACS, and other programs.
  • Developed once per decade.
  • Approximately 33,171 ZCTAs, compared to about 44,000 ZIP Codes.
  • ZCTAs do not include P.O. Boxes or FPO military codes; accounting for difference.

Using the ZIP Code ZCTA VDA GIS Project
To find a ZIP Code/ZCTA:
1. Enter the 5-digit ZIP Code in the iVDA interactive mapping search bar and press Enter.
2. The map view will relocate to the corresponding ZIP Code/ZCTA.
3. Enter your own ZIP Code to explore the data.

Use the ZIP Code ZCTA American Community Survey Data Profiles (ZIP_DP) GIS project using iVDA or VDA4. The start-up view of the ZIP DP GIS project using iVDA is shown below.

Using iVDA with ZIP Code ZCTA ACS DP Project .. goto top
.. Harris County, TX (Houston area) showing counties and ZCTAs labeled with ZCTA codes.
.. the page being viewed is located at https://proximityone.com/zip_dp.htm


Metadata
Metadata files describe the fields in corresponding layers, with illuatrative sample views (click graphic for larger view).
.. each graphic shows view of item from that layer.

ACS Demographic XLS -- 94 statistical items
    percent Hispanic by ZCTA
   
ACS Social XLS -- 154 statistical items
    percent College Graduates by ZCTA
   
ACS Economic XLS -- 137 statistical items
    Median Household Income
   
ACS Housing XLS -- 143 statistical items
    Median Housing Value
   

The ZIP Code ZCTA VDA GIS Project -- a "Group One" GIS Project .. goto top
There are several Group One VDA GIS projects further described in the VDA4 GIS project Main Menu section. Group One Projects have these properties:
.. focused on one geography.
.. comprised of approximately 10 layers.
.. contain the identical, most recent data for these layers:
    States
    CBSA/MSA
    Counties
    Cities
    States1
    Base layer -- topology

Role of GIS and Analysis of ZIP Codes/ZCTA Areas
A Geographic Information System (GIS) is a computer -based tool that allows users to store, analyze, visualize, and interpret geographic data. Geographic data, also known as spatial or geospatial data, identifies the location of features on earth. GIS combines the visual elements of maps with the ability to link characteristics about those features in datasets. This relationship allows GIS to locate, display, analyze, and model data.

GIS technology integrates geographic data with statistical and administrative data using statistical methods and analytics. These abilities make GIS valuable to a wide range of public and private enterprises for explaining events, predicting outcomes and planning strategies. And collaborating on those issues.

About iVDA & VDAGIS .. goto top
iVDA is an HTML iframe embedded version of VDA Web GIS. VDAGIS tools and data have been developed and are updated/supported by Warren Glimpse/ProximityOne/Alexandria, VA USA and Takashi Hamilton/Tsukasa/Osaka, Japan.

Support Using these Resources .. goto top
Learn more about census tract demographic economic data and related analytical tools. Join us in a Data Analytics Lab session. There is no fee for these informal sessions focused on your interests. The open structure provides for Q&A and discussion of application issues of interest to participants.

Terms of Use .. goto top
There is no warranty regarding any aspect of this using this project. The user is solely responsible for any use made of iVDA or data contained in project files.

Contact ProximityOne (888-364-7656) with questions about data covered in this section or to discuss custom estimates, projections or analyses for your areas of interest.


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