Table of Contents
How do I Download census tract shapefiles?
Start at the U.S. Census Bureau’s TIGER website: http://www.census.gov/geo/maps- data/data/tiger-line. html. Select the tab for the version of TIGER/Line Shapefiles (e.g. 2012) you would like to download. Click on Download and choose Web interface.
How many census tracts are there in the United States?
National Geographic Tallies
| Geographic Entities | United States |
|---|---|
| Census Blocks | 8,132,968 |
| Census Tracts | 84,414 |
| Counties & Equivalents | 3,143 |
| County Subdivisions | 35,629 |
Where can I get shapefiles?
Obtaining shapefiles from OSM data
- download shapefiles created by Geofabrik, updated daily (usually) with a global extract and some countries.
- osmdata.openstreetmap.de has shapefiles for coastlines, water polyons, land polygons and icesheets, updated daily.
- osmdata.openstreetmap.de offers coastline and icesheet data.
What is the 2010 Census Block map series?
The 2010 Census Block Map Series, also referred to as the Geographic Unit (GU) block maps, is produced to support the 2010 Decennial Census data release. These maps display tabulation geography down to the census block level.
What is the size of a Census Tract Map?
The map sheet size is 36 by 32 inches. Each set of census tract reference maps is accompanied by a Census Tract to Map Sheet relationship file. These semi-colon delimited text files include a record for each census tract within the county, consisting of the code and name of the tract, and a list of all map sheet numbers that the tract appears on.
What is a county-based reference map?
These county-based reference maps show and label the census tracts as delineated to support 2010 Census data dissemination. These maps also show the boundaries and names of American Indian areas, Alaska Native areas, Hawaiian home lands, states, counties, county subdivisions, and places.
What is included in a map of a state?
These maps also show the boundaries and names of American Indian areas, Alaska Native areas, Hawaiian home lands, states, counties, county subdivisions, and places. Additionally, these maps display a base feature network including roads, railroads, and water bodies.