Download Population Data for Asian National-Origin Groups From this page you can download the data for the Asian population that were used to prepare these web pages. There are two things to keep in mind when using these data: There are missing values in this file. A value of -998 indicates that the particular geographic entity does not exist. For example, if a metropolitan area is entirely suburban, central city segregation indices for this area will be coded -998. The files contain a single row of column headers followed by rows of data for each metropolitan area or state. The column headers are not very descriptive, so click here for a list of variable descriptions. Option 1 - Download the 'metropolitan area Asian data' file This file contains information for all metropolitan areas for both 1990 and 2000, including all Hispanic national-origin group counts. To download the metro data set click here. Option 2 - Download the ‘central city Asian data' file This file contains information for all metropolitan areas for both 1990 and 2000, including all Hispanic national-origin group counts. To download the metro data set click here. Option 3 - Download the ‘suburban Asian data' file This file contains information for the suburban portions of all metropolitan areas for both 1990 and 2000. To download the metro data set click here. Option 4 - Download the 'Asian data for the states' file This file contains information for all 50 states for both 1990 and 2000. To download the state data set click here.