TABLE (MATRIX) SECTION - from Summary File One (SF1) Documentation of US Census for 2000 Table Table (matrix) Data dictionary Field Data (matrix) number Table (matrix) reference name size type coordinates P1. PERSONS(1) [1] Universe: Persons Total P0010001 9 N 1 P2. FAMILIES(1) [1] Universe: Families Total P0020001 9 N 1 P3. HOUSEHOLDS(1) [1] Universe: Households Total P0030001 9 N 1 P4. URBAN AND RURAL(4) [4] Universe: Persons Urban: Inside urbanized area P0040001 9 N 1 Outside urbanized area P0040002 9 N 2 Rural P0040003 9 N 3 Not Defined for this file P0040004 9 N 4 P5. SEX (2) [2] Universe: Persons Male P0050001 9 N 1 Female P0050002 9 N 2