US Census Bureau Free TIGER GIS Data Sets There was a time when maps were only found on paper. GIS data wasn’t readily available. And every map you wanted costed an arm and a leg. Back in the 1960s, GIS was just starting to take off. The US Census Bureau envisioned capturing a national geographic database for all the digital line work in the United States. This dream became a reality in the late 1980s: TIGER GIS data files (Topologically Integrated Geographic Encoding and Referencing) formed the basis as being the first database to capture the 1990 census population count (decennial census). From there, TIGER GIS data has really transformed the GIS environment: TIGER GIS data became the first nationwide digital map of roads, railroads and census boundaries. TIGER stimulated technological developments like MapQuest, Yahoo, followed by Google. The data formed a base for OpenStreetMap in the United States in 2005. It even was used as the basis for road names in Waze navigation system. Where Can You Download United States Census Data? TIGER GIS Data The US Census website is the central hub for free TIGER GIS data. Data is available without cost because U.S. Government publications are required [...]
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The post TIGER GIS Data (Topologically Integrated Geographic Encoding & Referencing) appeared first on GIS Geography.
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