Median Earnings (1yr)
$39,692
50th percentile
60th percentile in Indiana
Median Debt
$16,000
35% below national median

Analysis

Purdue's geology program stands out for one reason: graduates carry remarkably little debt. At $16,000, this is less than half the national median for geology programs and ranks in the 95th percentile—meaning only 5% of geology programs nationwide produce lower debt burdens. For a flagship state university known for strong STEM programs, this low debt load represents genuine financial accessibility.

The earnings picture is exactly average nationally but slightly above the median for Indiana programs. That $39,692 first-year salary produces a debt-to-earnings ratio of 0.40, well below the threshold where debt becomes burdensome. With geology degrees, first-year earnings often reflect field technician roles, with higher earning potential developing as professionals gain specialized skills or pursue graduate education in petroleum, environmental consulting, or mining sectors.

The major caveat: this data reflects fewer than 30 graduates, so these numbers could shift substantially year to year. However, the core value proposition—a respected geology program at a research university, combined with manageable debt—makes this a solid choice for students genuinely interested in earth sciences. Your child graduates with financial flexibility to pursue either immediate employment or further education without crushing debt pressure.

Where Purdue University-Main Campus Stands

Earnings vs. debt across all geological and earth sciences/geosciences bachelors's programs nationally

Earnings Distribution

How Purdue University-Main Campus graduates compare to all programs nationally

Compare to Similar Programs Nationally

Geological and Earth Sciences/Geosciences bachelors's programs at top institutions nationally

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SchoolIn-State TuitionEarnings (1yr)Earnings (4yr)Median DebtDebt/Earnings
Purdue University-Main CampusWest Lafayette$9,992$39,692—$16,0000.40
University of Houston-DowntownHouston$7,708$50,894—$20,2500.40
Kean UniversityUnion$13,426$50,645—$27,0000.53
Iowa State UniversityAmes$10,497$50,150—$26,2500.52
College of CharlestonCharleston$12,978$49,786$45,772$26,5000.53
Texas Tech UniversityLubbock$11,852$49,727$51,550$25,7500.52
National Median—$39,678—$24,7570.62

Career Paths

Occupations commonly associated with geological and earth sciences/geosciences graduates

Natural Sciences Managers

Plan, direct, or coordinate activities in such fields as life sciences, physical sciences, mathematics, statistics, and research and development in these fields.

$161,180/yrJobs growth:Bachelor's degree

Clinical Research Coordinators

Plan, direct, or coordinate clinical research projects. Direct the activities of workers engaged in clinical research projects to ensure compliance with protocols and overall clinical objectives. May evaluate and analyze clinical data.

$161,180/yrJobs growth:Bachelor's degree

Water Resource Specialists

Design or implement programs and strategies related to water resource issues such as supply, quality, and regulatory compliance issues.

$161,180/yrJobs growth:Bachelor's degree

Geoscientists, Except Hydrologists and Geographers

Study the composition, structure, and other physical aspects of the Earth. May use geological, physics, and mathematics knowledge in exploration for oil, gas, minerals, or underground water; or in waste disposal, land reclamation, or other environmental problems. May study the Earth's internal composition, atmospheres, and oceans, and its magnetic, electrical, and gravitational forces. Includes mineralogists, paleontologists, stratigraphers, geodesists, and seismologists.

$99,240/yrJobs growth:Bachelor's degree

Hydrologists

Research the distribution, circulation, and physical properties of underground and surface waters; and study the form and intensity of precipitation and its rate of infiltration into the soil, movement through the earth, and return to the ocean and atmosphere.

$92,060/yrJobs growth:Bachelor's degree

Atmospheric, Earth, Marine, and Space Sciences Teachers, Postsecondary

Teach courses in the physical sciences, except chemistry and physics. Includes both teachers primarily engaged in teaching, and those who do a combination of teaching and research.

$83,980/yrJobs growth:

Chemistry Teachers, Postsecondary

Teach courses pertaining to the chemical and physical properties and compositional changes of substances. Work may include providing instruction in the methods of qualitative and quantitative chemical analysis. Includes both teachers primarily engaged in teaching, and those who do a combination of teaching and research.

$83,980/yrJobs growth:

Geological Technicians, Except Hydrologic Technicians

Assist scientists or engineers in the use of electronic, sonic, or nuclear measuring instruments in laboratory, exploration, and production activities to obtain data indicating resources such as metallic ore, minerals, gas, coal, or petroleum. Analyze mud and drill cuttings. Chart pressure, temperature, and other characteristics of wells or bore holes.

$50,510/yrJobs growth:Associate's degree

Hydrologic Technicians

Collect and organize data concerning the distribution and circulation of ground and surface water, and data on its physical, chemical, and biological properties. Measure and report on flow rates and ground water levels, maintain field equipment, collect water samples, install and collect sampling equipment, and process samples for shipment to testing laboratories. May collect data on behalf of hydrologists, engineers, developers, government agencies, or agriculture.

$50,510/yrJobs growth:Associate's degree
About This Data

Source: U.S. Department of Education College Scorecard (October 2025 release)

Population: Graduates who received federal financial aid (Title IV grants or loans). At Purdue University-Main Campus, approximately 13% of students receive Pell grants. Students who did not receive federal aid are not included in these figures.

Earnings: Median earnings from IRS W-2 data for graduates who are employed and not enrolled in further education, measured 1 year after completion. Earnings are pre-tax and include wages, salaries, and self-employment income.

Debt: Median cumulative federal loan debt at graduation. Does not include private loans or Parent PLUS loans borrowed on behalf of students.

Sample Size: Based on 18 graduates with reported earnings and 24 graduates with debt data. Small samples may not be representative.