US Census Geocoder

Overview

The US Census Geocoder leverages the US Census Geocoding service for single record and batch geocoding. The service enforces no limits and is free to US. More information can be found at the US Census website. For multiple records, it is recommended that you use the CensusGeocoder.geocode_address_batch() method.

API

class parsons.CensusGeocoder(benchmark='Public_AR_Current', vintage='Current_Current')

Instantiate the CensusGecoder Class

Args:

benchmark: str

The US Census benchmark file to utilize. By default the current benchmark is used, but other options can found here.

vintage: str

The US Census vintage file to utilize. By default the current vintage is used, but other options can be found here.

geocode_onelineaddress(address, return_type='geographies')

Geocode a single line address. Does not require parsing of city and zipcode field. Returns geocode as well as other census block data. If the service is unable to geocode the address it will return an empty list.

Args:

address: str

A valid US address

return_type: str

geographies will return information about the Census geographies while locations will information about the address.

Returns:

dict

geocode_address(address_line, city=None, state=None, zipcode=None, return_type='geographies')

Geocode an address by specifying address fields. Returns the geocode as well as other census block data.

Args:

address_line: str

A valid address line

city: str

A valid city

state: str

A valid two character state abbreviation (e.g. ‘IL’)

zipcode: int

A valid five digit zipcode (e.g. 60622)

return_type: str

geographies will return information about the Census geographies while locations will information about the address.

Returns:

dict

geocode_address_batch(table)

Geocode multiple addresses from a parsons table.

The table must only include the following columns in the following order.

Column Names
id (must be unique)
street
city
state
zip

Args:

table: Parsons Table

A Parsons table

Returns:

A Parsons table

get_coordinates_data(latitude, longitude)

Return census data on coordinates.

Args

latitude: int

A valid latitude in the United States

longitude: int

A valid longitude in the United States

Returns:

dict