Reference 1: Population.
Reference 2: New York, Pennsylvania, Illinois, Ohio, Missouri, Massachusetts, Texas, Indiana, Michigan, Iowa, Kentucky, Georgia, Tennessee, Wisconsin, Virginia, North Carolina, Alabama, New Jersey, Kansas, Minnesota, Mississippi, California, South Carolina, Arkansas, Louisiana, Nebraska, Maryland, West Virginia, Connecticut, Maine, Colorado, Florida, New Hampshire, Washington, South Dakota, Rhode Island, Vermont, Oregon, North Dakota, Delaware, Montana and Nevada.
Source: http://en.wikipedia.org/wiki/1890_United_States_Census
Reference 2: New York, Pennsylvania, Illinois, Ohio, Missouri, Massachusetts, Texas, Indiana, Michigan, Iowa, Kentucky, Georgia, Tennessee, Wisconsin, Virginia, North Carolina, Alabama, New Jersey, Kansas, Minnesota, Mississippi, California, South Carolina, Arkansas, Louisiana, Nebraska, Maryland, West Virginia, Connecticut, Maine, Colorado, Florida, New Hampshire, Washington, South Dakota, Rhode Island, Vermont, Oregon, North Dakota, Delaware, Montana and Nevada.
Source: http://en.wikipedia.org/wiki/1890_United_States_Census
