Summary Level	Description	Example URLs
040	state	http://api.census.gov/data/2000/sf3?get=P001001&for=state:01 http://api.census.gov/data/2000/sf3?get=P001001&for=state:* http://api.census.gov/data/2000/sf3?get=P001001&gnis=state:01779775
050	state-county	http://api.census.gov/data/2000/sf3?get=P001001&for=county:001&in=state:45 http://api.census.gov/data/2000/sf3?get=P001001&for=county:*&in=state:45 http://api.census.gov/data/2000/sf3?get=P001001&for=county:* http://api.census.gov/data/2000/sf3?get=P001001&gnis=county:00161526
140	state-county-tract	http://api.census.gov/data/2000/sf3?get=P001001&for=tract:020100&in=state:01+county:001 http://api.census.gov/data/2000/sf3?get=P001001&for=tract:*&in=state:01+county:001
150	state-county-tract-block group	http://api.census.gov/data/2000/sf3?get=P001001&for=block+group:1&in=state:01+county:001+tract:020100 http://api.census.gov/data/2000/sf3?get=P001001&for=block+group:*&in=state:01+county:001+tract:020100
160	state-place	http://api.census.gov/data/2000/sf3?get=P001001&for=place:05750&in=state:02 http://api.census.gov/data/2000/sf3?get=P001001&for=place:*&in=state:02 http://api.census.gov/data/2000/sf3?get=P001001&for=place:* http://api.census.gov/data/2000/sf3?get=P001001&gnis=place:02405187