Population Shift By Stephen Yau, Sarah Lieber, Jaya Bearelly, and Chris Palmer

Mean Population If the United States was a tray of weights with each person represented by an equal weight the mean center would be the point at which the map is completely balanced.

Median Population The point at which there is an equal number of people to the north and south and to the east and west.

Median Center of Population in the U.S Year Latitude Longitude

Median Center of Population Linear Regressions Latitude y = x Longitude y = x Predicted Latitude for 2000: Predicted Longitude for 2000:

Actual Median Center of Population for 2000 is at Washington, Indiana

Comparison of Our Predicted With the Actual Median Center of Population We predicted that the latitude in 2000 would be It actually is We predicted that the longitude in 2000 would be It actually is 87.2.

Images through the decades: Life in 1900

Washington DC in 1910

Luxurious Living in 1920

Slums of the 30’s

18 year old French Canadian Wife of a Potato Farmer in 1940

A Couple Mailing a Letter in the 1950’s

Native American Home in 1960

Sulfur Springs, Colorado in 1970

Colorado in 1980

Bush Inauguration in 1989

Millennium Celebration in 2000 in Washington DC

Work Cited