Using Data

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Campaign: Using Data

Getting null from ACS block-group query

For ACS data - is there a way to tell which codes are valid for tracts vs block group? Some codes work for both, some return "null" when the block-group level is queried. For example, the following url works for the tract level: http://api.census.gov/data/2010/acs5?key=4be82289939444f20513cd7c3c3eafb42e0d9ccf&get=B06007_003E,NAME&for=tract:*&in=state:08+county:059 But using the same code, it returns null for the ...more »

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Commercial/External APIs already interfacing with this data?

Hi, Are there any commercial/free APIs that are available for developers to use that are ALREADY sourcing from the Census.gov datasets? Factual's Geopulse Context was doing so as recently as 2013 but they've deprecated their API. It generated easy to access and useful demographic data from a lat/long and made importing into chart libraries super easy. Anyone know of anything similar? Happy to pay $ for a service that's ...more »

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Campaign: Using Data

Block Data from ACS

In looking at the geography levels supported by 2012 ACS, I don't see block-level data. See: http://api.census.gov/data/2012/acs5/profile/geography.json I am looking for block data support like this (that I'm using from 2010 decennial survey): { "name": "block", "requires": [ "state", "county", "tract" ] } (http://api.census.gov/data/2010/sf1/geography.json) Is there another/better ...more »

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zip code level data from 2000 survey

HI:

 

I am trying to download zip level data for 2010, 2000 and 1990 census demographic data. I have no problem for 2010 data by using the url:

http://api.census.gov/data/2010/sf1?key=*&get=P001001&for=zip+code+tabulation+area:*&in=state:48

Is there anything similar for 2000 and 1990 data?

 

Thank you

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Campaign: Using Data

Improving API documentation

Example of easier to follow API documentation: http://developer.usatoday.com/docs/read/Census Versus no coded variable definitions on the page: https://www.census.gov/developers/data/ All the needed content is in this presentation, but it was not intuitive to click on it since it refers to a specific event: https://www.census.gov/developers/NDoCH_Support_Slides.pdf Maybe rename it "ACS API Handbook"? Great great ...more »

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Obtaining census tract numbers

Can I use this API to create an easy way for users on my website to get their census tract number without using a map? I simply want the users to input their residential address into text fields. Hopefully this API will spit out their 10 digit census tract number after input. I would prefer NOT to redirect applicants to a 3rd party site. I ultimately want to use the census tract number from the API to reconcile it with ...more »

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No 'Access-Control-Allow-Origin' header is present on the reques

Hi, I had a little app working until just two days ago, when I started receiving a CORS error: "No 'Access-Control-Allow-Origin' header is present on the requested resource". I tried adding the jsonp callback to no avail. I am able to access the generated url via the browser. What I am doing is generating state options for a select list. The offending function, getStateList(), can be seen at: https://github.com/Code-for-Miami/iam1of.us/blob/master/js/script.js#L97 ...more »

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ACS 2010-2012 3 Year data now available

American Community Survey 3 Year Estimates

 

2010-2012 data profiles for the nation, all 50 states, the District of Columbia, Puerto Rico, every congressional district, every metropolitan area, and all counties and places with populations of 20,000 or more.

 

Example call to the API for the 2010-2012 estimates

http://api.census.gov/data/2012/acs3/profile?get=DP02_0001PE&for=state:*&key=...

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