Table 1 Structure of Summary File 1 (SF1):
Census of Population and Housing, 2000

Card Number Number of data Items Starting Matrix Number Ending Matrix Number Lowest Level of Geography
00 Geographic Header File
01 [See Note 1] 222 P1 P5 Block
02 238 P6 P18 Block
03 236 P19 P33 Block
04 149 P34 P45 Block
05 245 P12A P12E Block
06 241 P12F P16I Block
07 234 P17A P27C Block
08 247 P27D P28E Block
09 244 P28F P30H Block
10 229 P30I P34I Block
11 180 P35A P35I Block
12 235 PCT1 PCT9 Census Tract
13 45 PCT10 PCT11 Census Tract
14 209 PCT12 PCT12 Census Tract
15 196 PCT13 PCT17 Census Tract
16 209 PCT12A PCT12A Census Tract
17 209 PCT12B PCT12B Census Tract
18 209 PCT12C PCT12C Census Tract
19 209 PCT12D PCT12D Census Tract
20 209 PCT12E PCT12E Census Tract
21 209 PCT12F PCT12F Census Tract
22 209 PCT12G PCT12G Census Tract
23 209 PCT12H PCT12H Census Tract
24 209 PCT12I PCT12I Census Tract
25 209 PCT12J PCT12J Census Tract
26 209 PCT12K PCT12K Census Tract
27 209 PCT12L PCT12L Census Tract
28 209 PCT12M PCT12M Census Tract
29 209 PCT12N PCT12N Census Tract
30 209 PCT12O PCT12O Census Tract
31 245 PCT13A PCT13E Census Tract
32 235 PCT13F PCT15C Census Tract
33 225 PCT15D PCT17B Census Tract
34 225 PCT17C PCT17E Census Tract
35 225 PCT17F PCT17H Census Tract
36 75 PCT17I PCT17I Census Tract
37 217 H1 H20 Block
38 207 H11A H15I Block
39 171 H16A H16I Block

Note 1: This is the number in field CIFSN, beginning in position 17.


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