How Is Oregon State University Ranked and How Large Is It?

Oregon State University (OSU) is Oregon's largest university, with 38,460 total students — a distinction it has held for 12 straight years. It has also ranked in the Top 10 for online education for 12 consecutive years, according to U.S. News & World Report, and its home city of Corvallis is ranked the #1 college town on the West Coast. These figures come from OSU's own published materials and describe the university's scale and reputation rather than any single program.

Rankings at a Glance

Two caveats matter when reading these numbers. First, the online-education ranking is a category-specific placement, not an overall institutional ranking — it speaks to OSU Ecampus and distance programs, not to every department. Second, "largest university in Oregon" refers to total enrollment across all locations, not to the size of any single campus.

What the Enrollment Number Includes

OSU's 38,460 students are spread across multiple learning locations rather than concentrated on one campus:

• Corvallis — the historic, flagship campus in the Willamette Valley
• OSU-Cascades — the Bend campus in Central Oregon, offering more than 20 majors with small classes
• OSU Ecampus — the online division, which OSU describes as blending 21st-century innovation with 150+ years of institutional excellence
• Statewide operations — including the Hatfield Marine Science Center in Newport, a Portland presence, and Extension Service work in all 36 counties and with the Confederated Tribes of Warm Springs

This structure explains why the total enrollment figure is large: it aggregates residential, branch-campus, and online students into one count.

How to Use These Facts

If you are comparing OSU with another school, match the metric to your situation:

• Considering online study? The 12-year Top 10 online ranking is the relevant signal, and it applies to Ecampus programs specifically.
• Considering the Bend campus? Look at the 20+ majors offered there rather than the university-wide enrollment total.
• Weighing campus life? The #1 college town ranking refers to Corvallis, so it does not describe Bend or online study.
• Interested in statewide reach? OSU's Extension presence in all 36 counties is a separate measure from its student enrollment.

Where to Verify Current Figures

Rankings and enrollment counts change year to year. The figures above reflect what OSU currently publishes on its site. For the most current numbers, check OSU's official pages for admissions, Ecampus, and OSU-Cascades, and confirm ranking methodology directly with U.S. News & World Report rather than relying on a summary.