City and county data are available only for areas with a population of 250,000 or more. By using this data you signify your agreement with NCHS's data use rules . Works referring to the datasets or codebooks should contain a citation to NCHS and to this website. To check your ability to uncompress these files, download the small files compress. Z or compress.zip .
Documentation is available below.
Loaner CDs are available on request. Z Num86.sas Den86.sas Unl86.sas 1987 Num87.dat. Z 1988 Num88.dat. Z 1989 Num89.dat. Z 1991 Num91.dat.