census_tracts_spdf.Rd
A SpatialPolygonsDataFrame containing the 2010 Chicago census tracts that can only be used with sp
package.
data("census_tracts_spdf")
A SpatialPolygonsDataFrame with 801 observations on the following 10 variables:
statefp10
17, a 2-digit code from the American National Standards Institute/Federal Information Processing Standards (ANSI/FIPS) that represents the State of Illinois
name10
un-padded 3-to-6 digit (excluding the decimal point) name of the census tract
commarea_n
numeric name of the community area that the census tract lays within, which can be used as a crosswalk to identify particular census tracts in a given community area
namelsad10
character name of the census tract
commarea
numeric name of the community area that the census tract lays within, which can be used as a crosswalk to identify particular census tracts in a given community area
geoid10
11-digit code that unique identifies the census tract as a concatenation of statefp10
(2-digits) + countyfp10
(3-digits) + tractce
(6-digits)
notes
not every census tract lays exactly within a community area which is where the City of Chicago made notes regarding instances of overlap, low population, or a census tract falling outside the City's boundaries
tractce10
padded 6-digit name of the census tract
countyfp10
3-digit county name for Cook County
geometry
a list that contains the dimensions and the simple feature geometry type
This SpatialPolygonsDataFrame object comes from the City of Chicago Data Portal, Boundaries - Census Tracts - 2010. The file was last updated on July 11, 2018.