The most popular undergraduate major at University of Idaho is Psychology followed by Mechanical Engineering and Foreign Languages and Literatures. A list of all 116 available majors and annual graduates is presented below. Also of interest, median earnings for University of Idaho graduates by major.
| Agriculture | 6 |
Agriculture |
Graduates |
| Agricultural Business and Management | 15 |
| Agricultural Economics | 1 |
| Agricultural Mechanization | 10 |
| Animal/Livestock Husbandry and Production | 1 |
| Agroecology and Sustainable Agriculture | 5 |
| Agricultural Communication/Journalism | 2 |
| Animal Sciences | 36 |
| Food Science | 6 |
| Plant Sciences | 5 |
| Horticultural Science | 1 |
| Range Science and Management | 9 |
Communications Technology |
Graduates |
| Animation, Interactive Technology, Video Graphics and Special Effects | 18 |
Computer and Information Sciences |
Graduates |
| Computer Science | 15 |
Education |
Graduates |
| Special Education and Teaching | 4 |
| Education/Teaching of Individuals in Elementary Special Education Programs | 6 |
| Adult and Continuing Education and Teaching | 1 |
| Elementary Education and Teaching | 60 |
| Secondary Education and Teaching | 52 |
| Agricultural Teacher Education | 11 |
| Art Teacher Education | 2 |
| English/Language Arts Teacher Education | 8 |
| Health Teacher Education | 1 |
| Technology Teacher Education/Industrial Arts Teacher Education | 1 |
| Music Teacher Education | 4 |
| Physical Education Teaching and Coaching | 6 |
| Technical Teacher Education | 4 |
| Trade and Industrial Teacher Education | 4 |
| Environmental Education | 1 |
Engineering |
Graduates |
| Agricultural Engineering | 6 |
| Chemical Engineering | 13 |
| Civil Engineering | 31 |
| Geotechnical and Geoenvironmental Engineering | 1 |
| Computer Engineering | 11 |
| Electrical and Electronics Engineering | 17 |
| Materials Engineering | 4 |
| Mechanical Engineering | 66 |
| Nuclear Engineering | 4 |
Engineering Technology |
Graduates |
| Integrated Circuit Design | 1 |
| Industrial Technology/Technician | 6 |
| Industrial Safety Technology/Technician | 9 |
Foreign Languages |
Graduates |
| Foreign Languages and Literatures | 63 |
Work and Family Studies |
Graduates |
| Foods, Nutrition, and Wellness Studies | 21 |
| Human Development and Family Studies | 41 |
| Apparel and Textiles | 14 |
English and Literature |
Graduates |
| English Language and Literature | 13 |
| Creative Writing | 14 |
| Professional, Technical, Business, and Scientific Writing | 7 |
Liberal Arts and Humanities |
Graduates |
| General Studies | 59 |
Biology |
Graduates |
| Biology/Biological Sciences | 31 |
| Biochemistry | 4 |
| Molecular Biology | 9 |
| Microbiology | 12 |
| Entomology | 1 |
| Conservation Biology | 11 |
Mathematics |
Graduates |
| Mathematics | 9 |
| Applied Mathematics | 16 |
| Statistics | 4 |
Natural Resources Conservation |
Graduates |
| Environmental Science | 22 |
| Natural Resource Recreation and Tourism | 28 |
| Fishing and Fisheries Sciences and Management | 10 |
| Forest Sciences and Biology | 17 |
| Forest Management/Forest Resources Management | 16 |
| Wood Science and Wood Products/Pulp and Paper Technology | 15 |
| Wildlife, Fish and Wildlands Science and Management | 24 |
General Studies |
Graduates |
| Intercultural/Multicultural and Diversity Studies | 12 |
| Multi-/Interdisciplinary Studies, Other | 5 |
Recreation, Leisure and Fitness Studies |
Graduates |
| Parks, Recreation and Leisure Facilities Management | 10 |
| Sport and Fitness Administration/Management | 19 |
| Kinesiology and Exercise Science | 18 |
Philosophy and Religious Studies |
Graduates |
| Philosophy | 8 |
Architecture |
Graduates |
| Architecture | 44 |
| City/Urban, Community and Regional Planning | 1 |
| Landscape Architecture | 16 |
Physical Sciences |
Graduates |
| Chemistry | 17 |
| Geology/Earth Science | 15 |
| Physics | 3 |
Psychology |
Graduates |
| Psychology | 134 |
Homeland Security, Law Enforcement, Firefighting |
Graduates |
| Criminal Justice/Safety Studies | 24 |
| Crisis/Emergency/Disaster Management | 1 |
Social Sciences |
Graduates |
| Anthropology | 22 |
| Economics | 8 |
| Geography | 17 |
| International Relations and Affairs | 30 |
| Political Science and Government | 27 |
| Sociology | 37 |
Ethnic Studies |
Graduates |
| American/United States Studies/Civilization | 1 |
| Latin American Studies | 3 |
Visual and Performing Arts |
Graduates |
| Dance | 6 |
| Interior Design | 18 |
| Drama and Dramatics/Theatre Arts | 14 |
| Musical Theatre | 2 |
| Art/Art Studies | 9 |
| Fine/Studio Arts | 21 |
| Music Performance | 13 |
| Music Theory and Composition | 5 |
| Voice and Opera | 3 |
| Music Management | 1 |
Health Professions |
Graduates |
| Athletic Training/Trainer | 1 |
Business |
Graduates |
| Business Administration and Management | 4 |
| Operations Management and Supervision | 19 |
| Accounting | 37 |
| Administrative Assistant and Secretarial Science | 2 |
| Business/Managerial Economics | 13 |
| Finance | 38 |
| Human Resources Management/Personnel Administration | 47 |
| Management Information Systems | 13 |
| Marketing/Marketing Management | 50 |
History |
Graduates |
| History | 41 |
Communication |
Graduates |
| Speech Communication and Rhetoric | 29 |
| Journalism | 25 |
| Radio and Television | 9 |
| Digital Communication and Media/Multimedia | 6 |
| Organizational Communication | 4 |
| Public Relations/Image Management | 25 |
| Advertising | 31 |
Primary data source, U.S. Department of Education https://nces.ed.gov/collegenavigator/?id=142285 IPEDS survey data for University of Idaho.