How To Reverse Geocode Lat/lon Into Boroughs Efficiently

I am working with the New York City taxi data set. The data set has columns including datetime, pickup lat/lon, dropoff lat/lon etc. Now I want to reverse geocode the lat/lon to fi

Solution 1:

You can give Reverse Geocoder a try as I believe it provides the functionality you need.
It takes a latitude / longitude coordinate and returns (offline) the nearest town/city, country, administrative 1 & 2 regions.

Solution 2:

Check out this answer for a good approach. You might have to define your own polygons for the shapes, though.