Reference 1: Population.
Reference 2: New York, California, Pennsylvania, Illinois, Ohio, Texas, Michigan, New Jersey, Massachusetts, North Carolina, Indiana, Missouri, Georgia, Wisconsin, Tennessee, Virginia, Alabama, Minnesota, Kentucky, Florida, Louisiana, Iowa, Washington, Maryland, Oklahoma, Mississippi, South Carolina, Connecticut, West Virginia, Kansas, Arkansas, Oregon, Colorado, Nebraska, Maine, District of Columbia, Rhode Island, Arizona, Utah, New Mexico, South Dakota, North Dakota, Montana, Idaho, New Hampshire, Hawaii, Vermont, Delaware, Wyoming, Nevada and Alaska.
Source: http://en.wikipedia.org/wiki/1950_United_States_Census
Reference 2: New York, California, Pennsylvania, Illinois, Ohio, Texas, Michigan, New Jersey, Massachusetts, North Carolina, Indiana, Missouri, Georgia, Wisconsin, Tennessee, Virginia, Alabama, Minnesota, Kentucky, Florida, Louisiana, Iowa, Washington, Maryland, Oklahoma, Mississippi, South Carolina, Connecticut, West Virginia, Kansas, Arkansas, Oregon, Colorado, Nebraska, Maine, District of Columbia, Rhode Island, Arizona, Utah, New Mexico, South Dakota, North Dakota, Montana, Idaho, New Hampshire, Hawaii, Vermont, Delaware, Wyoming, Nevada and Alaska.
Source: http://en.wikipedia.org/wiki/1950_United_States_Census
