geosnap.datasets.tracts_1990¶
-
classmethod
datasets.
tracts_1990
(states=None, convert=True)¶ Nationwide Census Tracts as drawn in 1990 (cartographic 500k).
- Parameters
- stateslist-like
list of state fips to subset the national dataframe
- convertbool
if True, return geodataframe, else return dataframe (the default is True).
- Returns
pandas.DataFrame
orgeopandas.GeoDataFrame
1990 tracts as a geodataframe or as a dataframe with geometry stored as well-known binary on the ‘wkb’ column.