Demographic data based on the U.S. census of 1980 are presented and compared to data from the 1970 census. A series of charts, maps, graphs, and tables provide detailed statistical data on such things as population growth trends, population by race and age, educational achievement, number of people living alone, male and female occupations,…

The Seattle School District (Washington) assigns each of its students to a particular attendance area, gives that area a code name and computer designation called a geocode, then uses data processing methods to analyze the makeup of the student population in each area and to provide data for a number of planning purposes. The geoprocessing permits…