As of October 01, 2026, the average annual salary for GIS Consultant in Illinois is $59,045, equivalent to $28 per hour, $1,135 weekly, or $4,920 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for GIS Consultant in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for GIS Consultant in Illinois vary widely, spanning from $49,289 to $70,892. Most professionals fall between the 25th percentile ($53,938) and 75th percentile ($65,246), while top earners (90th percentile) make $70,892 per year. This $11,308 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or CAD, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois GIS Consultant often earn 1.9% higher than national averages due to demand from Fortune 26 companies. However, Illinois currently ranks 14 nationwide for GIS Consultant job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
