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Well, I did email the guys at US Census/TIGER and amazingly they did answer next day. In short, Chris W's observation is correct and they use USPS Zip to City as overrider even the TIGER data clearly points at a different Place(San Jose). I suspect some city boundaries have expanded however TIGER doesn't reflect it in the data file yet. Most likely TIGER ...


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Reproject from Web Mercator, for example to WGS84 ogr2ogr -f GeoJson 050_00wgs84.gjson 050_00.shp -s_srs EPSG:3857 -t_srs EPSG:4326 topojson --id-property=GEO_ID -o 050_00wgs84.json -- 050_00wgs84.gjson Then: var width = 800, height = 800; var svg = d3.select("body").append("svg") .attr("width", width) .attr("height", height); ...


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The documentation you are referencing (see the proposed answer below) from the Census Bureau's site refers solely to the Landview 6 product (released in 2003). The Census Bureau does not release information about specific addresses, including the exact location, due to Title 13 of the US Code. The TIGER/Line Shapefiles and the Census Geocoder documentation ...


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NOTE: Since I added this answer JLH has given a much better one, so please refer to his answer. My original conclusion below: I received no answers on this, so naturally I investigated it further myself. My Conclusion: the Tiger data is precise enough to geocode to the correct street, but not to the actual lot. I determined this after testing a good ...



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