Ethnic demographics normalized per state are on the left. The inside ring shows each major ethnic group's ratio within the state.
Tip Click a state to display the detail panels. To select more than one state, hold the Ctrl (or ⌘) key.
Tip On touch devices, tap a group to select it or tap and hold to add it to the current selection.
Once a selection is made, the upper panel shows the proportions of the ethnic groups in each state. The bottom panel shows the relative size of each group with respect to each state's total population.
Data source: the USA Today census API (no longer available).