AreaKey	 - Block Code (15 characters)
INTPTLAT - Internal point (latitude - six decimal places)
INTPTLNG - Internal point (longitude - six decimal places)
Region	 - Region
Divis	 - Division
Stat_ab	 - State/US Abbreviation
Stat_ce	 - State (Census)
Stat_fp	 - State (FIPS)
County	 - County
Cnty80	 - 1980 FIPS county code (incl. state)
Tract	 - Census Tract/Block Numbering area
Tract80	 - 1980 census tract/BNA (where app.)
BG	 - Block group
Block	 - Block
CNTYSC	 - County population Size Code
Reserv1	 - Reserved 1
CD102	 - Congressional District (102st Congress)
CD103	 - Congressional District (103st Congress)
CONCITCE - Consolidated City (Census)
CONCITFP - Consolidated City (FIPS)
CONCITCC - Consolidated City Class Code
CONCITSC - Consolidated City population Size Code
ANRC	 - Alaska Native Regional Corporation
AIANACE	 - American Indian/Alaska Native area (Census)
AIANAFP	 - American Indian/Alaska Native area (FIPS)
AIANACC	 - American Indian/Alaska Native area Class Code
COUSUBCE - MCD/CCD County Subdivision (Census)
COUSUBFP - MCD/CCD County Subdivision (FIPS)
COUSUBCC - MCD/CCD County Subdivision Class Code
COUSUBSC - MCD/CCD County Subdivision population Size Code
PlaceCE	 - Place (Census)
PlaceFP	 - Place (FIPS)
PlaceCC	 - Place Class Code
PlaceDC	 - Place Description Code
PlaceSC	 - Place population Size Code
PlaceF80 - 1980 FIPS place code
FMCD80	 - 1980 FIPS MCD/CCD code
MSACMSA	 - MSA/CMSA 1990
PMSA	 - PMSA 1990
MSA95	 - Metro Statistical Area (or CMSA), 95
PMSA95	 - Primary MSA, 1995
NECMA95	 - New England County Metro Area, 1995
ZIP	 - Zip-code 1991
HUC	 - Hydrological Unit (Watershed)
APUMA	 - PUMA code from 90 5% (A) Sample
BPUMA	 - PUMA code from 90 1% (B) Sample
VTD90	 - Voting Tabulation District, 1990
CZ80	 - Commuting Zone, 1980
CZ90	 - Communting Zone, 1990
LMA80	 - Labor Market Area, 1980
LMA90	 - Labro Market Area, 1990
BEALE	 - Beale urban-rural continuum code, 1993
URBANRUR - Urban/Rural 1=Urban 2=Rural
URBAREA	 - Urbanized area
AREALAND - Area (land-001 square km)
AREAWAT  - Area (water-001 square km) *No water blocks in data
Pop	 - Total Poplation
Pop0	 - 17-Population under 18 years
Pop18	 - 64-Population ages 18 to 64
Pop18	 - Population ages 18 and over
Pop65p	 - Population ages 65 and over
White	 - White Population
White17	 - White Population under 18
White18	 - White Population ages 18 and over
Black	 - Black Population
Black17	 - Black Population under 18
Black18	 - Black Population ages 18 and over
NatAm	 - Native American Population
NatAm17	 - Native American Population under 18
NatAm18	 - Native American Population ages 18 and over
AsPac	 - Asia-Pacific Population
AsPac18	 - Asia-Pacific Population ages 18 and over
AsPac17	 - Asia-Pacific Population under 18
Other	 - Other race Population
Other18	 - Other race Population ages 18 and over
Other17	 - Other race Population under 18
HisPop	 - Hispanic Origin Population
HisPop17 - Hisp. Orig. Population under 18
HisPop18 - Hisp. Orig. Population 18 and over
HIWhi	 - Hisp. Orig. White
HIBlk	 - Hisp. Orig. Black
HINAm	 - Hisp. Orig. Native American
HIAPc	 - Hisp. Orig. Asia-Pacific
HIOth	 - Hisp. Orig. Other race
HIWhi17	 - Hisp. Orig. White under 18
HIBlk17	 - Hisp. Orig. Black under 18
HINAm17	 - Hisp. Orig. Native American under 18
HIAPc17	 - Hisp. Orig. Asia-Pacific under 18
HIOth17	 - Hisp. Orig. Other race under 18
HIWht18	 - Hisp. Orig. White ages 18 and over
HIBlk18	 - Hisp. Orig. Black ages 18 and over
HINAm18	 - Hisp. Orig. Native American ages 18 and over
HIAPc18	 - Hisp. Orig. Asia-Pacific ages 18 and over
HIOth18	 - Hisp. Orig. Other race ages 18 and over
NotHis	 - Not Hisp. Orig. Population
NHPop17	 - Not Hisp. Orig. Population under 18
NHPop18	 - Not Hisp. Orig. Population 18 and over
NHWhi	 - Not Hisp. Orig. White
NHBlk	 - Not Hisp. Orig. Black
NHNAm	 - Not Hisp. Orig. Native American
NHAPc	 - Not Hisp. Orig. Asia-Pacific
NHOth	 - Not Hisp. Orig. Other race
NHWhi17	 - Not Hisp. Orig. White under 18
NHBlk17	 - Not Hisp. Orig. Black under 18
NHNAm17	 - Not Hisp. Orig. Native American under 18
NHAPc17	 - Not Hisp. Orig. Asia-Pacific under 18
NHOth17	 - Not Hisp. Orig. Other race under 18
NHWht18	 - Not Hisp. Orig. White ages 18 and over
NHBlk18	 - Not Hisp. Orig. Black ages 18 and over
NHNAm18	 - Not Hisp. Orig. Native American ages 18 and over
NHAPc18  - Not Hisp. Orig. Asia-Pacific ages 18 and over
NHOth18	 - Not Hisp. Orig. Other race ages 18 and over
HU	 - Total Housing Units
HUPer	 - Total Persons in Occuped HU
OccHU	 - Occupied Housing Units
OwnOccHU - Owner Occupied HU
RntOccHU - Renter Occupied HU
HU1	 - HU with 1 unit Detached or Attached
HU2-9    - HU with 2 to 9 units in structure
HU10	 - HU with 10 or more units structure
MeanRoom - Mean number of Rooms in Housing unit
MeanVal	 - Mean value of owner occupied housing
MeanRent - Mean Contract Rent in Renter Occ Housing paying cash rent
HU1Pls	 - Total HU with 1.01 or more persons per room
RnHU1Pls - Rental HU with 1.01 or more persons per room
OwHU1Pls - Owner Occupied HU with 1.01+ persons per room
HU1Per	 - Occupied HU with 1 person households
HUFamNS	 - Occ. Family HU with No Spouse present and 1+ child 0-17