UI Designer Salary in O'Fallon, Illinois
O'Fallon is located near St. Louis. The city draws talent from both Illinois and Missouri. The area includes defense contractors and regional tech firms. Living costs vary, and digital professionals work for regional businesses or as remote contractors.
Salary by experience level
Entry-level (0-2 years)
Salary range (per year)
$45,000 to $58,000
Average (per year)
$52,000
Entry-level designers work for local businesses, municipal agencies, or remote employers.
Mid-level (3-5 years)
Salary range (per year)
$59,000 to $75,000
Average (per year)
$67,000
Mid-level designers take on roles with regional companies and contracting firms.
Senior (6-9 years)
Salary range (per year)
$76,000 to $90,000
Average (per year)
$83,000
Senior designers often collaborate with St. Louis. Senior designers work with St. Louis tech employers or manage projects for local enterprises.
Principal/Lead (10+ years)
Salary range (per year)
$91,000+
Principal designers lead digital teams for regional firms or consult remotely.
Hourly Rates
For freelance or contract work, hourly rates are typically higher than equivalent salaried positions.
Junior
$21 - $30
per hour
Mid-level
$31 - $45
per hour
Senior
$46 - $62
per hour