Illinois employs 170 Epidemiologists professionals, below the national average concentration.
Data: BLS OEWS 2024 • Illinois employment outlook • Updated 2026-04-06
The location quotient (LQ) of 0.71 indicates that Illinois has a below-average concentration of Epidemiologists professionals. This may suggest fewer local opportunities compared to other states, though national trends should also be considered.
Note: Location Quotient (LQ) is the ratio of the percentage of workers in an occupation in a given area to the percentage in that occupation nationwide. An LQ > 1.0 means above-average concentration; < 1.0 means below-average.
The average annual salary for a Epidemiologists in Illinois is $96,770. For a detailed breakdown by percentile, entry-level, median, and senior salaries, see the comprehensive salary guide below.
Illinois employs approximately 170 Epidemiologists professionals (2024 BLS data). This ranks Illinois for this occupation nationwide.
Illinois has average or below-average concentration of Epidemiologists jobs (LQ: 0.71). A Location Quotient above 1.0 indicates higher-than-average demand.
The average (mean) salary for Epidemiologists in Illinois is $96770/year. See our detailed salary page for percentile breakdowns.
Location Quotient measures how concentrated an occupation is in a state compared to the national average. LQ > 1.0 means the state has more of that job proportionally. LQ > 1.2 indicates strong demand.
The top state for Epidemiologists employment is California with 1,200 jobs.
Employment and location quotient data sourced from the U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (OEWS) 2024. This data reflects total employment, jobs per 1,000 workers, location quotient, and average salary for Epidemiologists (SOC 191041) in Illinois.