The College's international population changes from year to year. For the 2023-2024 academic year, The College of Idaho had over 150 international students from 65 different countries, representing six of the seven continents on the planet.
| Angola | Armenia | Australia |
| Bahamas | Bolivia | Bosnia & Herzegovina |
| Brazil | Burundi | Canada |
| China | Colombia | Congo |
| Ecuador | Egypt | Eswatini |
| Ethiopia | Gambia | Germany |
| Ghana | Guatemala | Haiti |
| Honduras | Hong Kong | Indonesia |
| Iraq | Ireland | Jamaica |
| Japan | Kenya | Lebanon |
| Lesotho | Malawi | Mexico |
| Mongolia | Morocco | Mozambique |
| Myanmar | Namibia | Nepal |
| New Zealand | Nicaragua | Pakistan |
| Palestine (State of) | Peru | Philippines |
| Portugal | Russia | Rwanda |
| Senegal | Serbia | Slovakia |
| South Africa | South Sudan | Spain |
| Sri Lanka | Sweden | Switzerland |
| Syria | Tajikistan | Tanzania |
| Thailand | United Kingdom (U.K.) | Venezuela |
| Vietnam | Zimbabwe |