U S Census Bureau 3 Censuses Decennial Census

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U. S. Census Bureau • 3 Censuses: – Decennial Census • • Age Race

U. S. Census Bureau • 3 Censuses: – Decennial Census • • Age Race Sex Relationship to householder – Economic Census – Census of Governments

Profile Maps of States http: //www. census. gov/geo/www/maps/2010_census_profile_maps/census_profile_2010_main. html

Profile Maps of States http: //www. census. gov/geo/www/maps/2010_census_profile_maps/census_profile_2010_main. html

Age Distribution of Population Nebraska Texas Utah

Age Distribution of Population Nebraska Texas Utah

Center of Population of the United States http: //2010. census. gov/2010 census/data/center-of-population. php

Center of Population of the United States http: //2010. census. gov/2010 census/data/center-of-population. php

Population Change 2000 -2010 http: //2010. census. gov/2010 census/data/

Population Change 2000 -2010 http: //2010. census. gov/2010 census/data/

Population Change 2000 -2010 in Arc. GIS Online http: //www. arcgis. com/home/webmap/viewer. html? webmap=0

Population Change 2000 -2010 in Arc. GIS Online http: //www. arcgis. com/home/webmap/viewer. html? webmap=0 a 27 f 5 cb 1 f 07478 fbdf 117 b 70231 c 5 c 2

Population Change in Travis County

Population Change in Travis County

Finding the Right Data Population, housing, economic & geographic data Shapefiles prepared for GIS

Finding the Right Data Population, housing, economic & geographic data Shapefiles prepared for GIS users http: //www. census. gov/

TIGER Topologically Integrated Geographic Encoding and Referencing System • TIGER is geographic data –

TIGER Topologically Integrated Geographic Encoding and Referencing System • TIGER is geographic data – State and county lines – Updated annually • For census data, American Fact. Finder (http: //factfinder 2. cens us. gov)

Standard Hierarchy of Census Geographic Entities

Standard Hierarchy of Census Geographic Entities

Getting TIGER Shapefiles http: //www. census. gov/cgi-bin/geo/shapefiles 2010/main

Getting TIGER Shapefiles http: //www. census. gov/cgi-bin/geo/shapefiles 2010/main

Selecting Travis County, Texas Pick a State Pick a County

Selecting Travis County, Texas Pick a State Pick a County

Travis County Census Tracts (218)

Travis County Census Tracts (218)

Travis County Census Blocks (15922) Average of 73 Blocks per Tract

Travis County Census Blocks (15922) Average of 73 Blocks per Tract

Census Blocks

Census Blocks

A Census Block (38 houses) Texas Travis

A Census Block (38 houses) Texas Travis

Census Shapefiles with Population ftp: //ftp 2. census. gov/geo/tiger/TIGER 2010 BLKPOPHU/ http: //www. census.

Census Shapefiles with Population ftp: //ftp 2. census. gov/geo/tiger/TIGER 2010 BLKPOPHU/ http: //www. census. gov/geo/www/tiger/tgrshp 2010/pophu. html

All the Census Blocks for a State ftp: //ftp 2. census. gov/geo/tiger/TIGER 2010 BLKPOPHU/

All the Census Blocks for a State ftp: //ftp 2. census. gov/geo/tiger/TIGER 2010 BLKPOPHU/

Census Blocks for Texas (914, 231)

Census Blocks for Texas (914, 231)

Census Blocks in Travis County

Census Blocks in Travis County

Population and Housing Units

Population and Housing Units

Population and Housing Units in Travis County Population = 1, 024, 266 Pop/HU =

Population and Housing Units in Travis County Population = 1, 024, 266 Pop/HU = 2. 32 Housing Units = 441, 240

Surface and Groundwater Systems

Surface and Groundwater Systems

San Marcos Basin Austin San Antonio

San Marcos Basin Austin San Antonio

Clip Function

Clip Function

Population of the San Marcos Basin Population (2010) = 179, 727

Population of the San Marcos Basin Population (2010) = 179, 727

Edwards Aquifer

Edwards Aquifer

Population Living Over the Edwards Aquifer Population (2010) = 2, 352, 709 Large Tracts

Population Living Over the Edwards Aquifer Population (2010) = 2, 352, 709 Large Tracts in Low Population Areas Small Tracts in High Population Areas