Set the sliders according to how important you think each characteristic is for surviving a zombie apocalypse:

LESS IMPORTANT
MORE IMPORTANT

Population density

Access to guns

Veteran population

Landscape features

Access to bodies of water

SOURCES: U.S. Census Bureau, USDA, U.S. Bureau of Alcohol, Tobacco and Firearms. Published Oct. 9, 2015
GRAPHIC: CHRISTOPHER INGRAHAM/THE WASHINGTON POST