SSRIC Teaching Resources Depository
Exploring the US Census
Eugene Turner, California State University, Northridge

Appendix D: Summary Level and Geographic Component Codes for Census Geography

© The Author, 1998; Last Modified 17 August 1998

File STF3a
Geographic Unit Summary
Level
Geographic
Component
State 040 00 40 42-44
State-County 050 00
County Subdivision 060 00
State-County-County Subdivision-Place/ 
Remainder
070 00
State-County-County Subdivision-Place/ 
Remainder-Census Tract/ 
Block Numbering Area
080 00
State-County-County Subdivision-Place/ 
Remainder-Census Tract/Block Numbering Area-American Indian/Alaska Native Area/ 
Remainder- Reservation/Trust Lands/ 
Remainder-Alaska Native Regional Corporation/ 
Remainder-Urbanized Area/ 
Remainder-Urban/Rural-Congressional District-Block Group
090 00
State-County-Census Tract/Block Numbering Area 140 00
State-County-Census Tract/Block Numbering Area-Block Group 150 00
State--Place-County 155 00
State-Place 160 00
State---Consolidated City 170 00
State-American Indian Reservation with Trust Lands 210 00
State-American Indian Reservation with Trust Lands; reservation only 211 00
American Indian Reservation reservation with or without trust lands; reservation only/Tribal Jurisdiction Statistical Area/Tribal Designated Statistical Area - Alaska Native Village 220 00
Statistical Area-State-County State-American Indian Reservation with Trust Lands; trust lands only 212 00
American Indian Trust Lands trust lands with or without reservation; trust lands only-State-County 221 00
State-American Indian Reservation with no Trust Lands/Tribal Jurisdiction Statistical Area/Tribal Designated Statistical Area/Alaska\Native Village Statistical Area 215 00
American Indian Reservation reservation with or without trust lands; reservation only/ Tribal Jurisdiction Statistical Area/Tribal Designated Statistical Area/Alaska Native Village Statistical Area-State-County 220 00
State-American Indian Trust Lands trust lands with no reservation 216 00
American Indian Trust Lands trust lands with or without reservation; trust lands only-State-County 221 00
State-Alaska Native Regional Corporation 230 00
State-Metropolitan Statistical Area/Consolidated Metropolitan Statistical Area 319 00
Metropolitan Statistical Area no CMSAs-State-Central City 340 00
Metropolitan Statistical Area no CMSAs-State--County 329 00
State-Consolidated Metropolitan Statistical Area-Primary Metropolitan Statistical Area 321 00
Consolidated Metropolitan Statistical Area-Primary Metropolitan Statistical Area-State-Central City 341 00
Consolidated Metropolitan Statistical Area-Primary Metropolitan Statistical Area-State-County 331 00
State--Urbanized Area 420 00
Urbanized Area-State-Central Place 460 00
Urbanized Area-State-County 430 00
Urbanized Area-State-County-County Subdivision 440 00
Urbanized Area-State-County; County Subdivision-Place 450 00
File STF 3B
Geographic Unit Summary
Level
Geographic
Component
ZIP Code 800 00
ZIP Code-State 810 00
ZIP Code-State-County 820 00
File STF3C
Geographic Unit Summary
Level
Geographic
Component
United States 010 00 01-11 
20-28 
30-36 40 
42-44
Region 020 00 01-11 
20-28 
30-36 40 
42-44
State 040 00 01-11 
20-28 
30-36 
40 42-44
State-County 050 00
State [12 States only] CT, ME, MA, MI, MN, NH, NJ, NY, PA, RI, VT,WI 
County Subdivision 10,000 or more persons
061 00
State [6 States only] CT, ME, MA, NH, RI, VT 
County Subdivision under 10,000 persons and in an MSA/CMSA
062 00
State-Place 10,000 or more persons 161 00
State-Consolidated City 170 00
American Indian Reservation with Trust Lands 200 00
American Indian Reservation with Trust Lands; reservation only 201 00
American Indian Reservation withTrust Lands; reservation only-State 205 00
American Indian Reservation reservation with or without trust lands; reservation only/Tribal Jurisdiction Statistical Area/Tribal Designated Statistical Area/Alaska Native Village Statistical Area-State-County 220 00
American Indian Reservation with Trust Lands; trust lands only 202 00
American Indian Reservation with Trust Lands; trust lands only-State 206 00
American Indian Trust Lands trust lands with or without reservation; trust lands only-State-County 221 00
American Indian Reservation with no Trust Lands/Tribal Jurisdiction Statistical Area/Tribal Designated Statistical Area/Alaska Native Village Statistical Area 203 00
American Indian Reservation with no Trust Lands/Tribal Jurisdiction Statistical Area/Tribal Designated Statistical Area/Alaska Native Village Statistical Area--State 207 00
American Indian Reservation reservation with or without trust lands; reservation only/Tribal Jurisdiction Statistical Area/Tribal Designated Statistical Area/Alaska Native Village Statistical Area-State-County 220 00
American Indian Trust Lands trust lands with no reservation 204 00
American Indian Trust Lands trust lands with no reservation-State 208 00
American Indian Trust Lands trust lands with or without reservation; trust lands only-State-County 221 00
State-Alaska Native Regional Corporation 230 00
Metropolitan Statistical Area/Consolidated Metropolitan Statistical Area 300 00 23 24
Metropolitan Statistical Area no CMSAs- State-Central City 340 00
Metropolitan Statistical Area/Consolidated Metropolitan Statistical Area-State 310 00
Metropolitan Statistical Area no CMSAs- State-County 329 00
Consolidated Metropolitan Statistical Area-Primary Metropolitan Statistical Area 301 23 24
Consolidated Metropolitan Statistical Area- Primary Metropolitan Statistical Area-State-Central City 341 00
Consolidated Metropolitan Statistical Area- Primary Metropolitan Statistical Area-State 311 00
Consolidated Metropolitan Statistical Area- Primary Metropolitan Statistical Area 331 00
State-County Urbanized Area 400 00 03 04
Urbanized Area---State-Central Place 460 00
Urbanized Area-State 410 00 03 04
Urbanized Area--State-County 430 00
Urbanized Area--State-County-County Subdivision 440 00
Urbanized Area--State-County-County Subdivision-Place 450 00
File STF3D
Geographic Unit Summary
Level
Geographic
Component
State 040 00
State-Congressional District (103rd) 501 00
State-Congressional District (103rd)- 
County
510 00
State [12 States only] CT, ME, MA, MI, MN, NH, NJ, NY, PA, RI, VT, Wl- Congressional District (103rd)-County- County Subdivision 10,000 or more persons 520 00
County Subdivision 10,000 or more persons 
State-Congressional District (103rd)- 
Place 10,000 or more persons
530 00
State-Congressional District (103rd)-Consolidated City 10,000 
or more persons)
540 00
State-Congressional District (103rd)-American Indian/Alaska Native Area reservation Including trust lands, if any 550 00
State-Congressional District (103rd)-American Indian Reservation excluding trust lands) 551 00
State-Congressional District (103rd)-American Indian Reservation trust lands only 552 00
State-Congressional District (103rd)-Alaska Native Regional Corporation 560 00

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