Archive of Census Related Products (ACRP): 1990 Summary Tape File (STF1B)

The 1990 Summary Tape File (STF1B) portion of the Archive of Census Related Products (ACRP) contains population and housing data, along with additional demographic data for the U.S. The population data includes age, race, sex, marital status, Hispanic origin, and household type, while the housing data encompasses tenure, number of Units, value, number of rooms per Unit, and the use of the Unit. The data are available by county, county subdivision, place within county, tract/block numbering area (bna), blockgroup, and block. This portion of the ACRP is produced by the Center for International Earth Science Information Network (CIESIN).

《1990年综合录音带文件（STF1B）》是《人口普查相关产品档案（ACRP）》的一部分，其中包含了美国的人口和住房数据，以及额外的人口统计数据。人口数据涵盖了年龄、种族、性别、婚姻状况、西班牙裔起源和家庭类型等信息，而住房数据则包括了租住情况、单位数量、价值、每单位房间数以及单位的使用情况。数据按照县、县级区、县域内地点、地块/地块编号区域（BNA）、区块组和区块进行分类提供。此ACRP部分由国际地球科学信息网络中心（CIESIN）制作。