API Technical Discussions

Feedback on multiple technical issues
(@gary00)

API Technical Discussions

Documentation needed

I am obviously overlooking something. There must be a better way to determine a "Concept"/"Variable Name" than trudging through the xml file.

Can someone please point me in the correct direction?

Thanks

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API Technical Discussions

See all census tracts in a state?

Is it possible to use the API to fetch all tracts within a state? I tried the following request, but failed:

 

http://api.census.gov/data/2011/acs5?key=af4bfcf4a660196ff6a297eadfa70331f&get=NAME,B19013_001E,B19013_001M,NAME&for=tract:*&in=state:02+county:*

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API Technical Discussions

API Browser

Is there any place, where can I get all the APIs exposed by Census. [kind of API Browser] . This greatly helps the developers to use the correct API to get the data, what they look for. In addition, it helps to see entire API in one place.

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(@tyrauber)

API Technical Discussions

ACS2010 sf1 table mapping

I am trying to make sense of the table name convention for the ACS data. Unlike the 2010 Census SF1 document (http://www.census.gov/prod/cen2010/doc/sf1.pdf), the tables listed in the 2010 ACS SF1 document (http://www2.census.gov/acs2010_5yr/summaryfile/ACS_2006-2010_SF_Tech_Doc.pdf) don't seem to correlate to the api. For example, an attempt to query: B07010: Geographical Mobility In The Past Year By Individual ...more »

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AIANHHFP Code

Need code list for AIA. The SF1 identification section shows this field -- American Indian Area/Alaska Native Area/ Hawaiian Home Land (FIPS) AIANHHFP 5 81 A/N 00001–89999 American Indian area, Alaska Native area, or Hawaiian home land This is apparently the code field required by the API (both SF1 and ACS). Geography division cannot locate this file. most all references are now 4 digit ANSI codes (includiing ...more »

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ACS data for zip code tabulation area

Hi all, I am trying to use the api to collect information for zip code tabulation areas from the ACS 2011 survey. I have tried several variations of the following url, but get an unsupported/unknown geography error: http://api.census.gov/data/2011/acs5?key={key}&get=B25070_003E&for=zip+code+tabulation+area:*&in=state:06 I have read elsewhere on this form that the 2011 ACS is now available via the API by zip ...more »

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Polygon, block group and census data

I would like to get census block group data for various groups that overlap with a polygon map overlay. If I can get the block groups and need say the number of Chinese of ages 18 to 34 in those block groups then how do I do a JavaScript query to get them?

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API Technical Discussions

acs 2011 access issue

an application that was running last night no longer operates. It is accessing ACS 2011 5 year data at BG level with a multi-item request (fails with just 2). Were changes made that could affect this? Thank you.

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(@mebeweber)

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Statistics by Zip Code

I'm doing a project where I require census statistics by Zip Code. I want to look at correlations between several different factors. I have addresses and zip codes.

 

To pull in data by zip code what would my API call look like.

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HTTP Get returning all null values

Hi,

I am doing a http get http://api.census.gov/data/2010/sf1?key=user key&get=P0010001,NAME&for=state:* and this succeeds with response of 200, but the JSON elements are null. This same call used to work a few days back, now I get the following: ["P0010001","NAME","state"],["null","null","null"],["null","null","null"],...

Please help.

Thank You.

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