During World War II, over 120,000 persons of Japanese descent were held in a variety of incarceration sites spread across the United States. These facilities were run by several different U.S. governmental agencies and served multiple purposes.

Learn more about the different types of detention facilities in the Densho Encyclopedia

Concentration Camps

Ten large self-contained communities constructed by the War Relocation Authority to incarcerate persons of Japanese ancestry.

Gila River (35)
Granada (Amache) (16)
Heart Mountain (10)
Jerome (24)
Manzanar (19)
Minidoka (54)
Poston (Colorado River) (30)
Rohwer (30)
Topaz (Central Utah) (12)
Tule Lake (39)

Temporary Assembly Centers

Hastily-built temporary camps on the West Coast for holding people of Japanese ancestry before more permanent camps were erected.

Fresno (17)
Marysville
Mayer
Merced (2)
Owens Valley
Parker Dam
Pinedale (4)
Pomona
Portland (1)
Puyallup (Camp Harmony) (9)
Sacramento (Walerga)
Salinas
Santa Anita (22)
Stockton
Tanforan (1)
Tulare
Turlock

Immigration Detention Centers

Temporary holding facilities for foreign nationals considered "enemy aliens."

East Boston
Ellis Island
San Francisco
San Pedro
Seattle
Sharp Park (3)
Tuna Canyon

Department of Justice Internment Camps

Facilities operated by the Department of Justice that interned foreign nationals considered "enemy aliens."

Crystal City (5)
Fort Lincoln (Bismarck)
Fort Missoula
Fort Stanton
Kenedy (1)
Kooskia
Old Raton Ranch
Santa Fe (2)
Seagoville (1)

U.S. Army Internment Camps

U.S. Army sites in Hawaii, Alaska and the mainland that interned foreign nationals considered "enemy aliens."

Camp Blanding
Camp Forrest
Camp Livingston
Camp McCoy
Florence
Fort Bliss
Fort Howard
Fort Lewis
Fort McDowell
Fort Meade
Fort Richardson
Fort Sam Houston
Fort Sill
Griffith Park
Honouliuli
Lordsburg
Sand Island
Stringtown

Citizen Isolation Centers

Detention centers that held U.S. citizens of Japanese ancestry who had been labeled as "troublemakers" by concentration camp administrators.

Leupp
Moab

Additional Facilities

Sites that served as emergency short-term housing to defuse tensions at the concentration camps.

Antelope Springs
Cow Creek
Nyssa, Oregon (detention facility)
Tulelake (21)

U.S. Federal Prisons

Prisons that held U.S. citizens of Japanese ancestry who resisted the military draft.

Catalina Federal Honor Camp
Leavenworth Federal Penitentiary
McNeil Island Penitentiary (8)

API