Table of Contents

Chapter 1	Introduction	1-1
1.1	What are 2008 TIGER/Line Shapefiles?	1-1
1.2	What is the MAF/TIGER database?	1-1
1.3	Relationship of the TIGER/Line Shapefiles to Census Statistical Data	1-2
1.4	2008 TIGER/Line Shapefile Geography	1-2
1.5	2008 TIGER/Line Shapefile Legal Disclaimers	1-4
1.6	Questions and Contact Information	1-5

Chapter 2	Structure and Format	2-1
2.1	Structure of the Files	2-1
2.2	Organization of the Files	2-1
2.3	File Naming Conventions	2-4
2.4	Terminology	2-5
2.5	Datum	2-6
2.6	Metadata	2-6

Chapter 3	Geography	3-1
3.1	Geography  Overview	3-1
3.2	Features Available in 2008 TIGER/Line Shapefiles	3-3
3.3	Boundaries Available in the 2008 TIGER/Line Shapefiles	3-3
3.3.1	Boundary and Area Changes	3-4
3.4	Codes for Entities	3-5
3.5	Content Overview	3-6
3.6	Nation-Based Shapefiles	3-7
3.6.1	American Indian, Alaska Native, and Native Hawaiian (AIANNH) Areas	3-7
3.6.2	American Indian Tribal Subdivisions	3-12
3.6.3	Counties and Equivalent Entities	3-14
3.6.4	Metropolitan and Micropolitan Statistical Areas	3-16
3.6.5	States and Equivalent Entities	3-22
3.6.6	Urban Areas	3-23
3.6.7	ZIP Code Tabulation Areas (3-Digit and 5-Digit)	3-26
3.6.8	Military Installations	3-28
3.7	American Indian Area-Based Shapefiles	3-29
3.7.1	American Indian Tribal Subdivisions	3-29
3.8	State-Based Shapefiles	3-30
3.8.1	Alaska Native Regional Corporations	3-30
3.8.2	Blocks	3-32
3.8.3	Block Groups	3-36
3.8.4	Census Tracts	3-38
3.8.5	Commercial Regions	3-40
3.8.6	Congressional Districts	3-41
3.8.7	Consolidated Cities	3-43
3.8.8	Counties and Equivalent Entities	3-46
3.8.9	County Subdivisions	3-49
3.8.10	Places	3-52
3.8.11	Public Use Microdata Areas (1-Percent and 5-Percent)	3-60
3.8.12	School Districts (Elementary, Secondary, and Unified)	3-61
3.8.13	State Legislative Districts (Upper and Lower Chambers)	3-67
3.8.14	Urban Growth Areas	3-70
3.9	County-Based Shapefiles	3-71
3.9.1	All Lines	3-71
3.9.2	Area Hydrography	3-76
3.9.3	Landmarks (Area and Point)	3-77
3.9.4	Blocks	3-78
3.9.5	Block Groups	3-79
3.9.6	Census Tracts	3-80
3.9.7	County Subdivisions	3-81
3.9.8	Subbarrios (Sub-Minor Civil Divisions)	3-82
3.9.9	Traffic Analysis Zones	3-83
3.9.10	Voting Districts	3-85
3.10	County-Based Relationship Files	3-86
3.10.1	Address Range-Feature Name Relationships	3-86
3.10.2	Address Ranges	3-87
3.10.3	Feature Names	3-94
3.10.4	Other Identifiers	3-95
3.10.5	Topological Faces (2-Cells With All Geocodes)	3-96
3.10.6	Topological Faces-Area Landmark Relationships	3-98
3.10.7	Topological Faces-Area Hydrography Relationships	3-99

Appendix A	 Complete Record Layout	A-1
Appendix B	 Pseudo-School Districts	B-1
Appendix C	 Feature Name Directionals	C-1
Appendix D	 Feature Name Qualifiers	D-1
Appendix E	 Feature Name Types	E-1
Appendix F	 MAF/TIGER Feature Class Code (MTFCC) Definitions	F-1