Geographic Information Science major

Geographic Information Science: courses, careers, and where to study

Geographic Information Science teaches you to map, model, and analyze location data, at the intersection of geography, computing, and visual problem-solving.

In a Geographic Information Science program, you learn how location data is captured, stored, analyzed, and turned into maps and spatial models that answer real questions about places. Coursework blends cartography and map design with the computing side of geospatial work: building and querying geographic information systems, layering datasets in coordinate and projection systems, and running spatial analysis to find patterns, distances, and relationships across a landscape. You also study how location data is collected in the first place, from satellite and aerial remote sensing to field surveying and photogrammetry, and how to clean, edit, and document that data so a map can be trusted. Unlike a broad geography degree that leans toward human and physical systems, this major centers the methods and technology of representing space, and unlike general data science it is grounded specifically in coordinates, projections, and the spatial relationships that make place-based data behave differently from ordinary tabular data.

Most roles in this field are entered with a bachelor's degree, and programs typically pair lecture courses with hands-on computer labs where you build maps and run analyses using industry GIS software, often finishing with a capstone or applied project that solves a spatial problem for an outside organization. Some students add a remote sensing or programming track to move toward geospatial software development, while others take surveying coursework that can feed into a state land-surveyor licensing path; because licensure rules vary, any required exams, supervised experience, and program accreditation should be verified with the relevant state board and the school. Graduates work in settings such as state and federal mapping and natural-resource agencies, city and regional planning offices, utility and transportation companies, environmental and engineering consulting firms, defense and intelligence organizations, and technology companies that build location-based products.

In federal data for the closely related occupation of cartographers and photogrammetrists, the U.S. Bureau of Labor Statistics reports a 2024 median wage of $78,380 and projects employment to grow about 6.4% from 2024 to 2034; a bachelor's degree is the typical entry-level education for that occupation. National figures are occupation-wide medians across all experience levels, not starting wages or graduate outcomes.