Epidemiologists
SOC Code: 19-1041.00
Life, Physical & Social ScienceEpidemiologists are the disease detectives of the public health world, investigating how and why diseases spread and developing strategies to prevent and control health threats in populations. With a median salary of $83,980, these scientists apply statistical analysis, research design, and public health principles to understand the patterns and causes of illness, injury, and disability. The profession gained extraordinary public visibility during the COVID-19 pandemic, underscoring the critical role epidemiologists play in protecting communities and informing health policy.
Salary Overview
Median
$83,980
25th Percentile
$68,040
75th Percentile
$106,040
90th Percentile
$134,860
Salary Distribution
Job Outlook (2024–2034)
Growth Rate
+16.2%
New Openings
800
Outlook
Much faster than average
Key Skills
Knowledge Areas
What They Do
- Communicate research findings on various types of diseases to health practitioners, policy makers, and the public.
- Oversee public health programs, including statistical analysis, health care planning, surveillance systems, and public health improvement.
- Investigate diseases or parasites to determine cause and risk factors, progress, life cycle, or mode of transmission.
- Educate healthcare workers, patients, and the public about infectious and communicable diseases, including disease transmission and prevention.
- Monitor and report incidents of infectious diseases to local and state health agencies.
- Plan and direct studies to investigate human or animal disease, preventive methods, and treatments for disease.
- Provide expertise in the design, management and evaluation of study protocols and health status questionnaires, sample selection, and analysis.
- Write articles for publication in professional journals.
Tools & Technology
★ = Hot Technology (in-demand)
Education Requirements
Typical entry-level education: Master's Degree
Related Careers
Featured In
Top Career Pivot Targets
View all 25 →Careers with the highest skill compatibility from Epidemiologists.
A Day in the Life
A typical day for an epidemiologist is structured around data, investigation, and communication. The morning might begin with reviewing surveillance data from disease reporting systems, tracking the incidence of infectious diseases, chronic conditions, or environmental health threats in the community or study population. Epidemiologists design and implement studies—cohort analyses, case-control investigations, randomized trials, or cross-sectional surveys—to test hypotheses about disease causation and evaluate intervention effectiveness. A significant portion of the day involves statistical analysis using software such as SAS, R, Stata, or Python, applying methods like logistic regression, survival analysis, and spatial epidemiology to interpret complex health data. Writing is a constant activity, including research manuscripts for peer-reviewed journals, surveillance reports for health departments, grant proposals for research funding, and policy briefs for decision-makers. Meetings with interdisciplinary teams—physicians, biostatisticians, laboratory scientists, and health educators—occupy regular time slots for discussing findings, planning investigations, and coordinating public health responses. During disease outbreaks, epidemiologists conduct rapid field investigations, interview patients, trace contacts, and coordinate with emergency management officials. The day may end with presenting findings to public health leadership, participating in journal clubs, or mentoring junior epidemiologists and graduate students.
Work Environment
Epidemiologists work primarily in office settings at public health agencies, universities, research institutions, hospitals, and pharmaceutical companies. The work is predominantly computer-based, involving data management, statistical analysis, scientific writing, and virtual collaboration with colleagues across multiple organizations. Government epidemiologists work in health department offices that range from small county facilities to large federal agency campuses like the CDC in Atlanta. Academic epidemiologists split time between research offices, classrooms, and conference rooms, with access to university libraries, computing clusters, and statistical consulting services. During outbreak investigations, field epidemiologists travel to affected communities to conduct interviews, collect specimens, and coordinate response efforts, sometimes in challenging or resource-limited settings. Standard business hours are typical during non-emergency periods, but outbreaks and public health emergencies can demand extended hours, weekend work, and rapid deployment. The professional culture is analytical, collegial, and mission-driven, with strong emphasis on scientific rigor, ethical research practices, and evidence-based decision-making. Remote work has become increasingly common, particularly for data analysis and writing tasks that do not require in-person collaboration.
Career Path & Advancement
Becoming an epidemiologist typically requires a master's degree in epidemiology or public health with an epidemiology concentration, earned through an MPH or MSPH program at an accredited school of public health. These two-year programs provide training in biostatistics, study design, disease surveillance, environmental health, and health policy along with a supervised practicum experience. Entry-level epidemiologists often begin as research analysts or surveillance epidemiologists at state or local health departments, federal agencies like the CDC, or academic research centers. The CDC's Epidemic Intelligence Service fellowship is one of the most prestigious entry points, providing two years of intensive field epidemiology training. With three to five years of experience, epidemiologists advance to senior epidemiologist, lead investigator, or unit chief positions. A doctoral degree—DrPH or PhD in epidemiology—is required for principal investigator roles in academic research, senior government positions, and faculty appointments. Career progression may lead to state epidemiologist, division director, or program chief positions at health departments, or to senior scientist and research director roles in the pharmaceutical industry or global health organizations like the WHO.
Specializations
Epidemiology encompasses numerous sub-disciplines, each focusing on different health outcomes, populations, or methodological approaches. Infectious disease epidemiologists study the transmission, prevention, and control of communicable diseases including respiratory infections, vector-borne illnesses, sexually transmitted diseases, and emerging pathogens. Chronic disease epidemiologists investigate the determinants and distribution of non-communicable conditions such as cancer, cardiovascular disease, diabetes, and obesity. Environmental epidemiologists examine the health effects of environmental exposures including air pollution, water contamination, chemical hazards, and climate-related threats. Injury epidemiologists study patterns of unintentional and intentional injury, including motor vehicle crashes, workplace accidents, violence, and self-harm. Pharmacoepidemiologists evaluate the effects and safety of pharmaceutical products in large populations using observational study methods. Molecular epidemiologists combine laboratory techniques with epidemiological methods to understand disease at the genetic and molecular level. Social epidemiologists investigate how social structures, institutions, and relationships influence population health outcomes and health disparities.
Pros & Cons
Advantages
- ✓The median salary of $83,980 provides competitive compensation with significant earning potential in senior government and pharmaceutical industry roles.
- ✓The work directly protects public health by identifying disease threats and informing prevention strategies that save lives.
- ✓Intellectual stimulation from designing studies, analyzing complex datasets, and solving epidemiological puzzles keeps the work deeply engaging.
- ✓Multiple career settings—government, academia, hospitals, pharma, global health—offer flexibility and diverse professional experiences.
- ✓The COVID-19 pandemic dramatically increased public appreciation for epidemiology, enhancing career visibility and job prospects.
- ✓Remote work opportunities are extensive for data analysis, writing, and virtual collaboration, supporting work-life flexibility.
- ✓The analytical and research skills developed are highly transferable to data science, healthcare consulting, and other high-demand fields.
Challenges
- ✗Graduate education is required and a doctoral degree is necessary for many leadership and academic positions, representing significant training investment.
- ✗Outbreak response and public health emergencies can demand unpredictable hours, rapid travel, and high-pressure decision-making.
- ✗Government salaries may not match private-sector compensation for professionals with comparable analytical and scientific skills.
- ✗The work is highly sedentary and screen-intensive, with long hours spent on statistical analysis and report writing.
- ✗Research findings may be politicized or ignored by policymakers, which can be frustrating for scientists committed to evidence-based action.
- ✗Securing research funding through competitive grants is challenging and time-consuming, particularly in academic settings.
- ✗Communicating complex statistical and scientific concepts to non-specialist audiences, media, and elected officials can be difficult and sometimes thankless.
Industry Insight
Epidemiology is experiencing transformative growth and evolution driven by global health challenges, technological advances, and expanding applications of population health science. The COVID-19 pandemic permanently elevated the profession's profile and demonstrated the essential role of epidemiological surveillance, modeling, and investigation in guiding public health response. Wastewater-based epidemiology and genomic surveillance have emerged as powerful new tools for tracking pathogen spread and viral evolution at the population level. Big data analytics, machine learning, and artificial intelligence are augmenting traditional epidemiological methods, enabling analysis of massive electronic health record databases, social media signals, and mobile device data. Climate change epidemiology is a rapidly growing subspecialty, as researchers investigate health impacts from extreme heat, wildfires, vector range expansion, and climate-related displacement. Health equity and social epidemiology are receiving increased attention and funding, as the pandemic exposed and amplified existing disparities in disease burden and healthcare access. The pharmaceutical and biotech industries are expanding their epidemiology teams to support drug safety surveillance, real-world evidence generation, and regulatory submissions, creating lucrative private-sector career options.
How to Break Into This Career
Aspiring epidemiologists should pursue a bachelor's degree in biology, public health, statistics, or a related science field, with strong coursework in mathematics, statistics, and research methods. Applying to an accredited MPH or MSPH program with an epidemiology concentration is the standard pathway, and candidates should seek programs with strong practicum placements and connections to state or federal health agencies. During graduate school, gaining experience through research assistantships, internships at health departments, or participation in surveillance projects builds practical skills and professional contacts. Applying for the CDC's Epidemic Intelligence Service fellowship or other applied epidemiology training programs provides unmatched field experience and career launching power. Developing mastery of statistical software—SAS, R, or Stata—is essential, and supplementary skills in database management, geographic information systems, and data visualization strengthen candidacy. Publishing research papers or reports during graduate training demonstrates analytical capability and commitment to the field. Professional networking through the American Public Health Association, Council of State and Territorial Epidemiologists, and epidemiology conferences connects aspiring professionals with mentors, collaborators, and job listings.
Career Pivot Tips
Epidemiologists possess an exceptional combination of analytical, research design, and communication skills that transfer powerfully to numerous careers. Advanced statistical analysis and data modeling expertise qualifies epidemiologists for data science, biostatistics, and quantitative analyst positions in technology, finance, and healthcare companies. Research design and study management experience supports transitions into clinical research management, regulatory affairs, and medical science liaison roles in the pharmaceutical industry. Scientific writing and evidence synthesis skills are valuable in medical writing, health journalism, and science policy communication. Program evaluation and outcomes measurement experience translates to health policy analysis, healthcare consulting, and quality improvement roles in hospital systems and managed care organizations. Surveillance system design and data management capabilities prepare professionals for health informatics, public health technology, and health IT innovation careers. Leadership and crisis communication experience during outbreak response is valued in emergency management, risk consulting, and international development organizations. Those with teaching experience can pivot into health education, corporate wellness program development, and public health workforce training.
Explore Career Pivots
See how Epidemiologists compares to other careers and find your best pivot opportunities.
Find Pivots from Epidemiologists