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Point-In-Polygon Census Intersection API

The web services link data from the decennial U.S. Census to specific geographic locations based on latitude and longitude. The user can submit a single latitude/longitude pair or a batch of records to retrieve Census data relative to the location(s).

For each location submitted, the API returns the Census block, blockgroup, tract, county, and state by Census year. This data in turn allows an application to pursue additional Census information about the location.

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Point-In-Polygon Census Intersection: Highlights

Summary
U.S. Census data mapping service
Category
Mapping
Tags
Protocols
REST
Data Formats
XML, CSV
API home
https://webgis.usc.edu/Services/CensusInterse ... 

Point-In-Polygon Census Intersection: Specifications

Functionality

Client Install Required
No  
Service Endpoint
https://webgis.usc.edu/Services/CensusInterse ...

Signup and Licensing

Signup Requirements
 
Developer Key Required
 
Account Required
 
Commercial Licensing
 
Provider
https://spatial.usc.edu/Research/GISResearchL  
Non-Commercial Lic.
 
Data Licensing
 
Usage Fees
Free within usage limit  
Program Fees
 
Certification Program
 
Usage Limits
Free in allotments up to 2500 transactions 
Terms of Service
https://spatial.usc.edu/About/TermsOfUse.aspx 

Security

Authentication Model
API Key 
SSL Support
Yes 
Read-only Without Login
No 

Support

Vendor API Kits
 
Community API Kits
 
API Blog
 
Site Blog
 
API Forum
 
Developer Support
https://webgis.usc.edu/Services/CensusIntersection/About/TechnicalDetails.aspx 
Console URL
 

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