In 2010, almost 9 out of 10 adults, 87 percent, had high school diplomas or the equivalent. That was up from 84 percent in 2000.
All statistics for education are for adults 25 and older.
Thirty percent had college degrees in 2010, up from 26 percent 10 years earlier.
One-third of whites, 20 percent of blacks and 14 percent of Hispanics had bachelor's degrees. Employed adults were more likely than the unemployed to have bachelor's degrees, with 37 percent of women with jobs and 35 percent of men having them.
Thirty percent of immigrants did not complete high school. But immigrants were about as likely to have graduated from college as other U.S. residents and 35 percent of naturalized citizens have bachelor's degrees.