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 No other report series contain data on UAs, although all contain summaries for urban and rural population and housing data. However, the following individual nationwide reports, sometimes composed of multiple volumes, are devoted to UAs; each also contains the two-page UA summary map. For the 1990 UA program, the Census Bureau produced a two-volume supplementary report, CPH-S-1-2, Urbanized Areas of the United States and Puerto Rico, containing UA tables and maps that appear in the separate State reports of the CPH-2 series.

The Census Bureau’s Summary Tape Files (STFs) and other machine-readable data products provide statistics with greater subject-matter detail than is shown in the printed reports. Each STF presents a particular set of data tables for specific types of geographic entities, with further subdivision into three or more file types (indicated by a letter suffix). The following STFs provide data for UAs and for urban and rural categories: The STFs 1B, 1C, 3A, and 3C also are available in compact disc—read-only memory (CD-ROM) format. 12-20Urban and Rural Classifications