geosnap.datasets.tracts_1990

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 or geopandas.GeoDataFrame

1990 tracts as a geodataframe or as a dataframe with geometry stored as well-known binary on the ‘wkb’ column.