OT Assistant Salary

Des Moines vs Ottumwa: Occupational Therapy Assistant Salary (2026)

Compare occupational therapy assistant salaries between Des Moines, IA and Ottumwa, IA. All figures are 2026 estimates projected from BLS 2025 data.

Des Moines, IA
$66,055
$31.76/hr
Ottumwa, IA
$62,520
$30.06/hr

Side-by-Side Comparison

MetricDes Moines, IAOttumwa, IA
Median Salary$66,055$62,520
Hourly Rate$31.76$30.06
Entry Level (P10)$52,207$49,184
25th Percentile$60,658$55,878
75th Percentile$78,269$66,865
Top Earner (P90)$86,134$73,349
Total Employed805
Side-by-side bar chart comparing Des Moines ($66,055) and Ottumwa ($62,520) occupational therapy assistant salaries.Des MoinesOttumwaMedian Salary$66,055$62,520Entry Level (P10)$52,207$49,184Top Earner (P90)$86,134$73,349US Median $74,332

Verdict

Des Moines, IA offers better overall compensation for occupational therapy assistants, winning 4 out of 4 metrics compared to Ottumwa.

The salary gap between Des Moines and Ottumwa is $3,535 (5.65%). Des Moines's median is -11.14% compared to the US national median of $74,332.

Salary Range Comparison

The full salary range (10th to 90th percentile) in Des Moines spans $33,927,Ottumwa spans $24,165. Des Moines has a wider pay range, meaning more potential for high earners but also more variation.

Des Moines
P10 (Entry)$52,207
P25$60,658
Median$66,055
P75$78,269
P90 (Top)$86,134
Ottumwa
P10 (Entry)$49,184
P25$55,878
Median$62,520
P75$66,865
P90 (Top)$73,349

Cost-of-Living Adjusted Comparison

After cost-of-living adjustment, Des Moines ($72,033 effective) pays 4.16% more than Ottumwa ($69,159 effective).

Des Moines
Nominal: $66,055
CoL Index: 91.701
Adjusted: $72,033
Ottumwa
Nominal: $62,520
CoL Index: 90.4
Adjusted: $69,159

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

Which City Is Right for You?

Choose Des Moines if…

  • Higher median salary ($66,055/year)
  • Better top-earner potential ($86,134)
  • Larger job market (80 employed)
  • Better purchasing power (CoL-adjusted: $72,033)
  • You prefer the Iowa area and lifestyle

Choose Ottumwa if…

  • You prefer the Iowa area and lifestyle

Historical Salary Growth Comparison

Based on BLS OEWS metropolitan area data, occupational therapy assistant salaries in Des Moines grew 13.5% from 2019 to 2025, compared to 16.6% growth in Ottumwa over the same period.

Des Moines, IA

+13.5%

$56,590 (2019) → $64,250 (2025)

Ottumwa, IA

+16.6%

$52,148 (2024) → $60,811 (2025)

View Full Salary Data

Frequently Asked Questions

Which city pays occupational therapy assistants more: Des Moines or Ottumwa?

Des Moines has a higher median occupational therapy assistant salary at $66,055/year, compared to Ottumwa at $62,520/year — a difference of $3,535 (5.65%).

What is the hourly rate difference between Des Moines and Ottumwa?

Des Moines occupational therapy assistants earn $31.76/hr while Ottumwa hygienists earn $30.06/hr (2026 est.).

Should I relocate from Des Moines to Ottumwa as a occupational therapy assistant?

Consider more than just salary when comparing Des Moines and Ottumwa. Factor in cost of living (CoL-adjusted: Des Moines = $72,033, Ottumwa = $69,159), job availability (80 vs 5 employed), commute, and career growth potential.

What do entry-level occupational therapy assistants earn in Des Moines vs Ottumwa?

Entry-level (10th percentile) occupational therapy assistants earn $52,207 in Des Moines and $49,184 in Ottumwa. The Des Moines area offers higher starting salaries.
JL

Written by Jordan Lee, MS, OTR/L

Career Analyst

Jordan Lee has 10 years of experience as an occupational therapist. Their specialty is working with children with developmental disorders. They have worked in various healthcare settings including schools and rehabilitation facilities.

Clinically reviewed by Maria Gonzalez, COTA/LData verified by Samuel Chen, OTR/L

Methodology & Data Source

All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 2.81% 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 Jordan Lee, MS, OTR/L, a licensed occupational therapy assistant with 10+ years of clinical experience. · View source data at BLS.gov