gis - How to find census block groups closest to coordinates? (using python, not ArcGIS) -

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i'm decent python new geospatial coding.

i have list of coordinates. shapefiles census block groups.

i'd know how find census block groups within 1 mile of each coordinate. if small portion of block group within 1 mile, still group show in results. sets of nearby block groups associated coordinates near.

please let me know if unclear , try explain more clearly.

thanks!

p.s. think question getting @ of things i'm struggling (https://gis.stackexchange.com/questions/11987/polygon-overlay-with-shapely). implication should use shapely, create buffer each set of coordinates have, , somehow find census areas caught in union.


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