Application Showcase

Top Rank Census

Now available for iOS. Top Rank Census offers an easy way to browse through the many data categories and geographies of the ACS 5-Year Data Profiles. Simply make your choice and Top Rank Census will generate a ranked list in a flash! It's simple and convenient. The key is the nested table interface that allows a user to scroll through all of the data categories -- even on an iPhone! https://itunes.apple.com/us/app/top-rank-census/id976962772?mt=8&uo=6&at=&ct= ...more »

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Application Showcase

Pocket Census

iOS app which streamlines the ACS API querying process. Easily search and view numerical and graphical representation of the results. Available now on the App Store.

 

Created by HexPath LLC (www.hexpath.com)

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Bugs / Problems

Error in Census 2010 API document ?

Hi All, I believe that the Census 2010 API documentation (http://api.census.gov/data/2010/sf1/variables.html) has an error for the table: P12A. Sex By Age (White Alone). It appears that both P012A026 and P012A049 are attributed as Female: !! 85 years and over. I believe that P012A026 should be 'Female' (as in the total of all females. BTW - I have *not* checked the data as of yet. The data could be correct with ...more »

Submitted by (@dgcatanzaro)
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Bugs / Problems

In 1990 sf3, missing variable for Gross Rent as % of HH income

"$20,000-$34,999: 30 to 34 percent" (presumably H0500016) is missing. Variables jump from "$20,000-$34,999: 25 to 29 percent" to "$20,000-$34,999: 35 percent or more". Using the variable in the data call results in an unknown variable error.

Submitted by (@egillingham)
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Bugs / Problems

In 1990 sf3, missing variable for Gross Rent as % of HH income

"$20,000-$34,999: 30 to 34 percent" (presumably H0500016) is missing. Variables jump from "$20,000-$34,999: 25 to 29 percent" to "$20,000-$34,999: 35 percent or more". Using the variable in the data call results in an unknown variable error.

Submitted by (@egillingham)
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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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API Technical Discussions

Latitude/Longitude in PDI

Hi All,

 

I am trying to call the API for the the geocoder census geographical locations for few addresses I have in my database. I want the longitude/latitude values for each address.I want to call the API through a javascript in an ETL tool. Can anyone suggest method or any useful link for that? It would be a great help.

 

Thanks!!

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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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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 »

Submitted by (@elizabeth.duncan)
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Census Geography

Get Lat/Long of Census Tracts

In order to draw a tract polygon, I need a list of lat/longs that define each tract. (For example, a tract that is exactly a square would have four lat/long points that define it.)

 

Is there an established way to get the lat/long of a census tract?

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Access Micro-data for Blocks

I'm working on a school project with 2010 Census data. Currently, we are getting tract-level data using codes from http://api.census.gov/data/2010/sf1/variables.json to get data. For example, to find the white 65-year old males in a county's tracts, we make the API call: http://api.census.gov/data/2010/sf1?key=[key]&get=PCT012I068,NAME&for=tract:*&in=state:08+county:059 However, when making the same call at a block ...more »

Submitted by (@elizabeth.duncan)
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How I relate Census Blocks to FIPS Division/Subdivisions

I need to be able to relate a Census Block to it's corresponding FIPS Division and Subdivision and I have not found any data file or reference to help me identify that relationship, can you help?

Submitted by (@esobrino)
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