The College's international population changes from year to year. For the 2017-18 academic year, the College of Idaho had 78 international students from 47 different countries, representing six of the seven continents on the planet.
| Bahamas | Malawi |
| Barbados | Mauritius |
| Belgium | Mexico |
| Bolivia | Nepal |
| Botswana | New Zealand |
| Brazil | Nigeria |
| Burkina Faso | State of Palestine |
| Burundi | Paraguay |
| Canada | Phillippines |
| China | Poland |
| Colombia | Rwanda |
| Czech Republic | Senegal |
| Ecuador | Singapore |
| Egypt | South Africa |
| France | Spain |
| Guatemala | Sudan |
| Hungary | Swaziland |
| India | Thailand |
| Iraq | Uganda |
| Israel | Ukraine |
| Kazakhstan | Venezuela |
| Kenya | Zambia |
| Republic of Korea | Zimbabwe |
| Lesotho |