Reference 1: Population.
Reference 2: California, New York, Texas, Pennsylvania, Illinois, Ohio, Florida, Michigan, New Jersey, North Carolina, Massachusetts, Indiana, Georgia, Virginia, Missouri, Wisconsin, Tennessee, Maryland, Louisiana, Washington, Minnesota, Alabama, Kentucky, South Carolina, Connecticut, Oklahoma, Iowa, Colorado, Arizona, Oregon, Mississippi, Kansas, Arkansas, West Virginia, Nebraska, Utah, New Mexico, Maine, Hawaii, Rhode Island, Idaho, New Hampshire, Nevada, Montana, South Dakota, North Dakota, District of Columbia, Delaware, Vermont, Wyoming and Alaska.
Source: http://en.wikipedia.org/wiki/1980_United_States_Census
Reference 2: California, New York, Texas, Pennsylvania, Illinois, Ohio, Florida, Michigan, New Jersey, North Carolina, Massachusetts, Indiana, Georgia, Virginia, Missouri, Wisconsin, Tennessee, Maryland, Louisiana, Washington, Minnesota, Alabama, Kentucky, South Carolina, Connecticut, Oklahoma, Iowa, Colorado, Arizona, Oregon, Mississippi, Kansas, Arkansas, West Virginia, Nebraska, Utah, New Mexico, Maine, Hawaii, Rhode Island, Idaho, New Hampshire, Nevada, Montana, South Dakota, North Dakota, District of Columbia, Delaware, Vermont, Wyoming and Alaska.
Source: http://en.wikipedia.org/wiki/1980_United_States_Census
