topic Re: ArcGIS Javascript API and Census 2010 in ArcGIS JavaScript Maps SDK Questions

ArcGIS Javascript API and Census 2010

MohamadMalouhi — Mon, 04 Mar 2013 15:00:32 GMT

I am using ArcGIS javascript API to build a service to lookup Census data for a specific location (Longitude and latitude) and I am using the following ArcGIS data service to query for Census data:

http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/1

But this service presents various population statistics from Census 2000, and I want to do the same for Census 2010, I know that I may need a license to get access to the 2010 data, but I am not sure if this is possible without building a data service in my side.

How can I get access to the 2010 data service to query for the same Census data provided by the above link?

Thank you

Re: ArcGIS Javascript API and Census 2010

Anonymous User — Mon, 04 Mar 2013 15:52:14 GMT

More data can be found here:

http://server.arcgisonline.com/ArcGIS/rest/services/Demographics

Re: ArcGIS Javascript API and Census 2010

MohamadMalouhi — Wed, 06 Mar 2013 15:19:17 GMT

Thank you for replying Chris, I am aware of this list of demographic services for the 2010 Census data, but these data services do not provide the "Query" operation that is used by my developed script and also does not provide the same level of details. My understanding is that can not retrieve Census data as JavaScript object if the service does not support the "Query" operation; so I can use these services to render a colored map for a particular Census attribute, but not to Query the Census data and get the result as an object

Re: ArcGIS Javascript API and Census 2010

MohamadMalouhi — Fri, 08 Mar 2013 13:21:15 GMT

Sorry Chris, I was wrong to assume that you cannot query the 2010 services, but still I cannot use these services for two reasons:

1-It does not provide the same level of details, for example it does not provide the following attributes STATE FIPS,COUNTY FIPS,TRACT,BLOCK GROUP,FIPS

2-Each one of those services provide only one type of attributes age, income, population, etc.., while the 2000 Census data service provides all these attributes (including FIPS information) by using only one Query.

Any help would be greatly appreciated

Thank you

Re: ArcGIS Javascript API and Census 2010

Anonymous User — Fri, 08 Mar 2013 14:35:40 GMT

I believe the ID field is the FIPS. For instance, try this:

http://server.arcgisonline.com/ArcGIS/rest/services/Demographics/USA_Median_Age/MapServer/4/query

Enter a query where ID = '06' and the returned result is California.

If I then go to:

http://server.arcgisonline.com/ArcGIS/rest/services/Demographics/USA_Median_Age/MapServer/3/query

Enter a query where ID = '06071' and the returned result is San Bernardino County.

Re: ArcGIS Javascript API and Census 2010

MohamadMalouhi — Fri, 08 Mar 2013 18:37:26 GMT

Thank you very much Chris, this is what I am looking for, the only thing left is that I have to query more than one time to retrieve multiple Census data attributes, but this is okay.