A version of the geographic keys "census_geographical_keys" containing one row per unique Census Tract (CT).
Usage
data(ct_keys)Format
A data frame with rows representing unique CTs. All geographic identifiers are stored as factors.
- CTUID
Census Tract unique identifier (7-digit code).
- CTNAME
Census Tract name.
- PCSD
Census Subdivision unique identifier (7-digit code).
- PCSDNAME
Census Subdivision name.
- PCD
Census Division code (4-digit).
- PCDNAME
Census Division name.
- CMA
Census Metropolitan Area or Census Agglomeration code (3-digit).
- CMANAME
CMA or CA name.
- CMACATEG
CMA category. One of: 'Census Metropolitan Area or Census Agglomeration', 'Strong metropolitan influenced zone', 'Moderate metropolitan influenced zone', 'Weak metropolitan influenced zone', 'No metropolitan influenced zone', or 'Territories (outside CAs)'.
- PR
Province code (2-digit).
- PRNAME
Province or territory name.
Source
Obtained from census_geographical_keys.