PA Salary

O'Fallon vs St. Louis: Physician Assistant Salary (2026)

Compare physician assistant salaries between O'Fallon, MO and St. Louis, MO. All figures are 2026 estimates projected from BLS 2025 data.

O'Fallon, MO
$140,161
$67.39/hr
St. Louis, MO
$140,639
$67.61/hr

Side-by-Side Comparison

MetricO'Fallon, MOSt. Louis, MO
Median Salary$140,161$140,639
Hourly Rate$67.39$67.61
Entry Level (P10)$99,560$80,197
25th Percentile$121,209$128,199
75th Percentile$168,493$170,168
Top Earner (P90)$202,341$176,636
Total Employed221,260
Side-by-side bar chart comparing O'Fallon ($140,161) and St. Louis ($140,639) physician assistant salaries.O'FallonSt. LouisMedian Salary$140,161$140,639Entry Level (P10)$99,560$80,197Top Earner (P90)$202,341$176,636US Median $140,391

Verdict

St. Louis, MO offers better overall compensation for physician assistants, winning 3 out of 4 metrics compared to O'Fallon.

The salary gap between O'Fallon and St. Louis is $478 (0.34%). St. Louis's median is +0.18% compared to the US national median of $140,391.

Salary Range Comparison

The full salary range (10th to 90th percentile) in O'Fallon spans $102,781,St. Louis spans $96,439. O'Fallon has a wider pay range, meaning more potential for high earners but also more variation.

O'Fallon
P10 (Entry)$99,560
P25$121,209
Median$140,161
P75$168,493
P90 (Top)$202,341
St. Louis
P10 (Entry)$80,197
P25$128,199
Median$140,639
P75$170,168
P90 (Top)$176,636

Cost-of-Living Adjusted Comparison

After cost-of-living adjustment, O'Fallon ($156,430 effective) pays 5.76% more than St. Louis ($147,904 effective).

O'Fallon
Nominal: $140,161
CoL Index: 89.6
Adjusted: $156,430
St. Louis
Nominal: $140,639
CoL Index: 95.088
Adjusted: $147,904

Cost-of-living adjustment: salary × (100 / CoL index). Index of 100 = national average.

Which City Is Right for You?

Choose O'Fallon if…

  • Better top-earner potential ($202,341)
  • Better purchasing power (CoL-adjusted: $156,430)
  • You prefer the Missouri area and lifestyle

Choose St. Louis if…

  • Higher median salary ($140,639/year)
  • Larger job market (1,260 employed)
  • You prefer the Missouri area and lifestyle

Historical Salary Growth Comparison

Based on BLS OEWS metropolitan area data, physician assistant salaries in O'Fallon grew 28.4% from 2024 to 2025, compared to 35.0% growth in St. Louis over the same period.

O'Fallon, MO

+28.4%

$105,671 (2024) → $135,657 (2025)

St. Louis, MO

+35.0%

$100,810 (2019) → $136,120 (2025)

View Full Salary Data

Frequently Asked Questions

Which city pays physician assistants more: O'Fallon or St. Louis?

St. Louis has a higher median physician assistant salary at $140,639/year, compared to O'Fallon at $140,161/year — a difference of $478 (0.34%).

What is the hourly rate difference between O'Fallon and St. Louis?

O'Fallon physician assistants earn $67.39/hr while St. Louis hygienists earn $67.61/hr (2026 est.).

Should I relocate from O'Fallon to St. Louis as a physician assistant?

Consider more than just salary when comparing O'Fallon and St. Louis. Factor in cost of living (CoL-adjusted: O'Fallon = $156,430, St. Louis = $147,904), job availability (22 vs 1,260 employed), commute, and career growth potential.

What do entry-level physician assistants earn in O'Fallon vs St. Louis?

Entry-level (10th percentile) physician assistants earn $99,560 in O'Fallon and $80,197 in St. Louis. The O'Fallon area offers higher starting salaries.

Related Comparisons

JT

Written by Jessica Tran, MPAS, PA-C

Career Analyst

Jessica has 10 years of experience as a physician assistant. Her specialty is cardiology in an outpatient setting.

Clinically reviewed by Michael Chen, PA-CData verified by Amina Patel, MSPAS, PA-C

Methodology & Data Source

All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 3.32% CAGR (derived from 6-year national BLS trends) was applied to estimate current compensation. Cost-of-living adjustments use BEA Regional Price Parity data. Actual salaries vary by employer, certifications, and experience.

Data Sources & Methodology

Source: BLS, OEWS , released .

Compiled and verified by Jessica Tran, MPAS, PA-C, a licensed physician assistant with 10+ years of clinical experience. · View source data at BLS.gov