geosnap.DataStore.tracts_1990

DataStore.tracts_1990(states=None)

Nationwide Census Tracts as drawn in 1990 (cartographic 500k).

Parameters:

stateslist-like

list of state fips to subset the national dataframe

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.