Version 1

This data collection provides detailed tabulations of 100-percent data items from the 1990 Census of Population and Housing. These tabulations are presented for the United States, regions, divisions, states, counties, county subdivisions with 10,000 or more persons (in 12 states), county subdivisions with fewer than 10,000 persons and in a Metropolitan Statistical Area (MSA)/Consolidated Metropolitan Statistical Area (CMSA) (New England states only), places of 10,000 or more persons, consolidated cities, American Indian reservations with and without trust lands for the United States, states, and counties, Alaska Native Regional Corporations, MSA/CMSAs (both total and state portion) and Primary Metropolitan Statistical Areas (PMSAs), state, county, and central city portion of MSAs and PMSAs, urbanized areas, and state and central place portion of urbanized areas. Population items include age, race, sex, marital status, Hispanic origin, household type, and household relationship. Housing items include occupancy/vacancy status, tenure, units in structure, contract rent, meals included in rent, value, and number of rooms in housing unit. Crosstabulations include variables such as single year of age by sex, tenure by age of householder, age by group quarters, aggregate value by units in structure, and tenure by number of nonrelatives. The dataset contains both "A" and "B" records. "A" records are provided for each summary level in a geographic area, and are repeated for each geographic component. "B" records repeat the same data for each summary level/geographic component combination, but are tabulated for each of 34 categories of race and Hispanic origin.

本数据集包含1990年美国人口与住房普查的全量数据条目详细统计表。本次统计覆盖的地理范围包括全美全境、大区、分区、各州、各郡、人口规模达1万及以上的郡下辖分区（仅限12个州）、人口不足1万且位于都会统计区（Metropolitan Statistical Area，MSA）/联合都会统计区（Consolidated Metropolitan Statistical Area，CMSA）内的郡下辖分区（仅限新英格兰各州）、人口1万及以上的居民点、合并城市、设有/未设有信托土地的美洲印第安人保留地、各州、各郡、阿拉斯加原住民区域公司、都会统计区/联合都会统计区（含整体及各州辖区部分）与主要都会统计区（Primary Metropolitan Statistical Areas，PMSAs）、都会统计区与主要都会统计区的州辖、郡辖及中心城市辖区部分、城市化区域，以及城市化区域的州辖与中心居民点辖区部分。人口统计条目涵盖年龄、种族、性别、婚姻状况、西班牙裔血统、家庭类型与家庭亲属关系。住房统计条目涵盖居住/空置状态、住房保有形式、建筑内住房单元数、合同租金、租金内含餐食情况、住房估值与住房单元房间数。交叉表统计包含以下变量组合：单一年龄与性别、住房保有形式与户主年龄、年龄与集体宿舍居住情况、建筑单元数与住房总估值、住房保有形式与非亲属住户人数。本数据集同时包含"A"类记录与"B"类记录："A"类记录针对地理区域内的各汇总层级生成，并按每个地理组成部分重复生成；"B"类记录针对每个汇总层级/地理组成部分组合重复相同数据，但按34个种族与西班牙裔血统分类分别进行统计制表。