Metropolitan divisions are subdivisions of metropolitan areas with population of at least 2.5 million. Please note: not all metropolitan areas have metropolitan divisions.
metro_divisions(year = NULL, ...)The data year (defaults to 2016).
arguments to be passed to the underlying `load_tiger` function, which is not exported.
Options include refresh, which specifies whether or not to re-download shapefiles
(defaults to FALSE), and year, the year for which you'd like to download data
(defaults to 2016).
http://www2.census.gov/geo/pdfs/maps-data/data/tiger/tgrshp2015/TGRSHP2015_TechDoc.pdf
Other metro area functions: combined_statistical_areas,
core_based_statistical_areas,
new_england, urban_areas