ZIP Code Tabulation Areas (ZCTAs) boundary shapefile file for Pennsylvania (2019).

##Redistricting Data Hub (RDH) Retrieval Date
12/24/20

##Sources
ZCTA boundary data was retireved from the Census Cartographic Boundary File website: https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.2019.html

##Fields
  Field Name                                                                              Description
0   AIANNHCE  4-character American Indian / Alaska Native / Native Hawaiian (AIANNH) area census code
1   AIANNHNS                American Indian/Alaska Native/Native Hawaiian Area National Standard Code
2   AFFGEOID                                                        Long unique geographic identifier
3      GEOID                                                       Short unique geographic identifier
4       NAME                                                                       Name of the AIANNH
5       LSAD                                                  Legal/Statistical Area Description Code
6      ALAND                                                                Land Area (Square Meters)
7     AWATER                                                              Water Areas (Square Meters)

##Processing
ZCTA boundary data for Pennsylvania was retrieved with a python script. 
The data is available at the national level. 
The shapefile was grouped by state and extracted to their own shapefile and zipped into the folder with this README and supporting geospatial files.

##Additional Notes
For more information on the boundary file, please refer to the Census Cartographic Boundary link above. 
The shapefile for Pennsylvania is available in NAD83 projection.