Using Data

Do you need help with data available via the API?

Using Data

subject matter search

Census has added the very helpful restructured subject matter item lists (eg, http://api.census.gov/data/2000/sf3/variables.html). Thank you. I am seeking an easy way to search for two or more keywords (eg, Age, Hispanic) in a nonphrase structure that will highlight rows/items that meet that condition. ... by searching on the unmodified html. Any thoughts on this? Thank you.

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(@sam.mcallister)

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Voter registration / political party data?

Is there any data available for political party affiliation within census data? I know it was not part of the 2010 Census Form or the American Community Survey, but I am definitely interested in mining that information if it is available somewhere else in the census database.

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(@lisa.w)

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Comparing ACS data from year to year

Now that 2007-2011 ACS 5 year data is available in the API, please see this guidance on comparing ACS data. http://www.census.gov/acs/www/guidance_for_data_users/comparing_data/ From the page: The Census Bureau recommends that you: DO compare estimates from non-overlapping periods, for example, compare a 2005-2007 ACS 3-year estimate to a 2008-2010 ACS 3-year estimate. DON'T compare overlapping periods, for example, ...more »

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(@neroth)

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Problem in Virginia Data

Using the SF1 api, when I loop through the counties in Virginia, it finishes the county loop and then begins a loop through cities. I noticed it while running a nested loop for the entire US. Virginia was the only state that I noticed doing this, though there could be others. Here's the URL I'm using that generates this list of counties + cities. http://api.census.gov/data/2010/sf1?key={ikey}&get=NAME&for=county:*&in=state:51 ...more »

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(@lisa.w)

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Additonal Data Sets Added

The statistics from the 1990 and 2000 censuses join the previously available data sets from the 2010 Census and the American Community Survey. In addition, 2011 American Community Survey estimates for the new districts formed for the 113th Congress are also now available.

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Tract level data ACS 5 year

I need to access all tracts in a state I used http://api.census.gov/data/2011/acs5?key=***&get=B19057_001E&for=tract:*&in=state:10+county:*. I get an error message and the same error message when I use tract:*&in=state:10. Could someone help. Thank you

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(@sp9470)

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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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Using Data

How to know what ACS table/field corr to Census 2010

I have a tool (geocoding, etc) that uses Census 2010 data and it puts out a report with '% Minority" and "Total Housing Units" -- how do I know what Census table originates this data ? And : What the corresponding table/field is in ACS ?

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Trouble getting daytime population

Hi everyone, I'm trying to calculate the daytime population at the block level and/or the block group level. It's noted here (https://www.census.gov/hhes/commuting/data/calculations.html) that we can query the API and get the code "B08604 Total Workers for Workplace Geography." However, this code returns the "null" value in various data sets (including ACS 5-year) at the block-group and block level. It seems like ...more »

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(@dave00)

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ACS 2011 1 Year

Is there a specific reason that 2011 1 year data is only available by Congressional District? I've been asked by one of our business analysts, and wanted to provide an accurate answer.

 

Thanks in advance for any insight!

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(@jason.venable)

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Difference between Data Profile and Summary File API?

What is the difference between the Data Profile data and the Summary file data. It seems very similar, with some overlap, but also slightly different, and I don't understand the relationship between the two. Is the Summary File information used to create the Data Profiles? Are these two totally different surveys with different metrics? It's not clear to me when I should use the Summary File vs Data Profile. I've leaned ...more »

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