Find Out How Irish Is Springfield (and Other Census Facts)

Statistical reports on Springfield residents' international roots—such as birthplaces, ancestries and languages spoken at home—are among the vast array of data in the U.S. Census Bureau's 2011 American Community Survey.

The five-year survey, produced by sample interviews from 2007 through 2011, was released Dec. 6.

Among the notable results:

• About 4 percent of Springfield residents were born outside the United States.
• Irish is the most common ancestry reported by residents in Springfield, according to the Census Bureau. That group makes up 44 percent of the local population. Italian comes in second, at 31 percent, followed by German (19 percent) and English (11 percent) as the only other ancestry above 10 percent.
• Of those born outside the United State living in Springfield, people originally from Asia make up 68 percent of the population, with Europe second with 23 percent.
• Nearly 85 percent of people not born in the United States entered before the year 2000.

Most common ancestry