A simple wrapper for the United States Census Bureau’s API.
Provides access to both the ACS and SF1 data sets.
Requirements
python 2.6 or 2.7
requests
us
Usage
First, get yourself a Census API key.
from census import Census
from us import states
c = Census("MY_API_KEY")
c.acs.get(('NAME', 'B25034_010E'), {'for': 'state:%s' % states.MD.fips})
The call above will return the name of the geographic area and the number of homes that were built before 1939 for the state of Maryland. Helper methods have been created to simplify common geometry calls:
c.acs.state(('NAME', 'B25034_010E'), states.MD.fips)
Full details on geometries and the states module can be found below.
The get method is the core data access method on both the ACS and SF1 data sets. The first parameter is either a single string column or a tuple of columns. The second parameter is a geoemtry dict with a for key and on option in key. The for argument accepts a “*” wildcard character or Census.ALL. The wildcard is not valid for the in parameter.
Valid columns by data set:
Geometries
The API supports a wide range of geographic regions. The specification of these can be quite complicated so a number of convenience methods are provided.
Full geometry specifications are available for ACS and SF1.
ACS Geometries
state(fields, state_fips)
state_county(fields, state_fips, county_fips)
state_county_subdivision(fields, state_fips, county_fips, subdiv_fips)
state_county_tract(fields, state_fips, county_fips, tract)
state_place(fields, state_fips, place)
state_district(fields, state_fips, district)
us(fields)
SF1 Geometries
state(fields, state_fips)
state_county(fields, state_fips, county_fips)
state_county_subdivision(fields, state_fips, county_fips, subdiv_fips)
state_county_tract(fields, state_fips, county_fips, tract)
state_place(fields, state_fips, place)
state_district(fields, state_fips, district)
state_msa(fields, state_fips, msa)
state_csa(fields, state_fips, csa)
state_district_place(fields, state_fips, district, place)
state_zip(fields, state_fips, zip)
States
This package previously had a census.states module, but now uses the us package.
>>> from us import states >>> print states.MD.fips u'24'
Convert FIPS to state abbreviation using lookup():
>>> print states.lookup('24').abbr
u'MD'
Examples
The geographic name for all census tracts for county 170 in Alaska:
c.sf1.get('NAME', geo={'for': 'tract:*', 'in': 'state:%s county:170' % states.AK.fips})
The same call using the state_county_tract convenience method:
c.sf1.state_county_tract('NAME', states.AK.fips, '170', Census.ALL)
Total number of males age 5 - 9 for all states:
c.acs.get('B01001_004E', {'for': 'state:*'})
The same call using the state convenience method:
c.acs.state('B01001_004E', Census.ALL)
2 maintainers
Metadata
2 maintainers
Release files for census 0.3
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
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| census-0.3.tar.gz | 4.6 kB | Details |
Release files / census-0.3.tar.gz
| Download URL | census-0.3.tar.gz |
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| Size | 4.6 kB |
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