How many Cardinals are in the United States of America?

Answer 1

Cardinals of the United States as of March, 2013.

Electors

(eligible to vote in papal conclave)

• Raymond Leo Cardinal Burke, Prefect of the Apostolic Signatura, Roman Curia
• Daniel Nicholas Cardinal DiNardo, Archbishop of Galveston-Houston, Texas
• Timothy Michael Cardinal Dolan, Archbishop of New York, New York
• Francis Eugene Cardinal George, O.M.I., Archbishop of Chicago, Illinois
• James Michael Cardinal Harvey, Archpriest of the Basilica di San Paolo fuori le Mura {Saint Paul Outside-the-Walls Basilica}, Roman CuriaMaggiore {Saint Mary Major Basilica}, Roman Curia
• William Joseph Cardinal Levada, Prefect Emeritus of the Congregation for the Doctrine of the Faith, Roman Curia
• Roger Michael Cardinal Mahony, Archbishop Emeritus of Los Angeles, California
• Edwin Frederick Cardinal O’Brien, Grand Master of the Equestrian Order of the Holy Sepulchre of Jerusalem, Roman Curia
• Sean Patrick Cardinal O’Malley, O.F.M. Cap., Archbishop of Boston, Massachusetts
• Justin Francis Cardinal Rigali, Archbishop Emeritus of Philadelphia, Pennsylvania
• Donald William Cardinal Wuerl, Archbishop of Washington, District of Columbia

Non electors:

(over age 80)

• William Wakefield Cardinal Baum, Major Penitentiary Emeritus of the Apostolic Penitentiary, Roman Curia
• Agostino Cardinal Cacciavillan, President Emeritus of the Administration of the Patrimony of the Apostolic See, Roman Curia
• Edward Michael Cardinal Egan, Archbishop Emeritus of New York, New York
• Lubomyr Cardinal Husar, M.S.U., Major Archbishop Emeritus of Kyiv-Haly? {Kiev} (Ukrainian), Ukraine
• William Henry Cardinal Keeler, Archbishop Emeritus of Baltimore, Maryland
• Bernard Francis Cardinal Law, Archpriest Emeritus of the Basilica di Santa Maria
• Adam Joseph Cardinal Maida, Archbishop Emeritus of Detroit, Michigan
• Theodore Edgar Cardinal McCarrick, Archbishop Emeritus of Washington, District of Columbia
• James Francis Cardinal Stafford, Major Penitentiary Emeritus of the Apostolic Penitentiary, Roman Curia
• Edmund Casimir Cardinal Szoka, President Emeritus of the Governatorate of Vatican City State, Roman Curia

(As per the Catholic News Agency)