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CAMS Data (October 2011) Current data date: August 2012 – we will be releasing new versions of this data periodically. Important note: This file is not final – it is an intermediate step and should be used with the understanding that further work is being performed. Description The LA County Street Center TIGER [...] NHGIS Site The National Historical Geographic Information System (NHGIS) website recently is an incredibly valuable tool for historic demographics information. You just need to register. From their site: The National Historical Geographic Information System (NHGIS) provides, free of charge, aggregate census data and GIS-compatible boundary files for the United States [...] The Census Bureau (http://www.census.gov/) maintains geographic boundaries for the analysis and mapping of demographic information across the United States. Every 10 years the Census Bureau counts the population of the United States as mandated by Constitution. The Census Bureau releases the results of this county as demographic data [...] The Census Bureau (http://www.census.gov/) maintains geographic boundaries for the analysis and mapping of demographic information across the United States. Every 10 years the Census Bureau counts the population of the United States as mandated by Constitution. The Census Bureau releases the results of this county as demographic data with [...] The TIGER road file is a street centerline network used by the US Census Bureau to help locate and find citizens during its decennial census. Historically this file has had a number of identified issues with its geographic accuracy, but the 2010 file has been tested by LA County and found to be highly accurate [...] |
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