Examples for

Race & National Origin

Using statistics from the American Community Survey (ACS), Wolfram|Alpha can give you a detailed breakdown of the US population by race or national origin. Look up details about the Hispanic population by origin for a congressional or school district, explore data on the multiracial population in a state or city, compare the population by race for two metropolitan areas and more.
Race

Find detailed statistics about the US population by race.

Look up particular facts about an area:

black population in Philadelphia
Tahlequah metro area ethnicities

Compare specific properties of areas:

population by race for Colbert vs Pikeville
Asians who live in Louisville metro area vs Burley metro area

Analyze specific properties of multiple areas:

black population of Casper metro area, Louisville metro area, Burley metro area
North Carolina congressional districts multiracial fraction
More examples
Hispanic Population

Explore ACS data on the Hispanic population by origin in the US.

Look up particular facts about an area:

fraction of Cuban Hispanic people living in Miami
Hispanic population in Arcadia Valley R-II School District, Ironton

Compare specific properties of areas:

Seattle vs Des Moines Central American Hispanic population

Analyze specific properties of multiple areas:

Puerto Rican Hispanic people in Hartford, Orlando, Holyoke
Colombian Hispanic population of US states

Investigate Hispanic origin by race:

how many Asian Hispanic people are in Phoenix vs Anchorage
US counties with a white Hispanic population fraction > 80%
More examples