Facility Types

  • Incarceration Camp
  • Temporary Assembly Center
  • Dept of Justice Internment Camp
  • Citizen Isolation Center
  • Additional Facility
  • Immigration Detention Station
  • U.S. Army Internment Camp
  • U.S. Federal Prison


During WWII, the United States imprisoned more than 120,000 people of Japanese ancestry -- two-thirds of whom were US citizens, along with others designated as, "enemy aliens." The government established a vast network of confinement facilities across the continental United States, Hawaii and Alaska administered by a number of agencies.