OT Assistant Salary

Columbia vs Frederick: Occupational Therapy Assistant Salary (2026)

Compare occupational therapy assistant salaries between Columbia, MD and Frederick, MD. All figures are 2026 estimates projected from BLS 2025 data.

Columbia, MD
$86,473
$41.58/hr
Frederick, MD
$79,483
$38.21/hr

Side-by-Side Comparison

MetricColumbia, MDFrederick, MD
Median Salary$86,473$79,483
Hourly Rate$41.58$38.21
Entry Level (P10)$59,742$58,575
25th Percentile$71,959$68,722
75th Percentile$96,103$89,265
Top Earner (P90)$109,239$101,848
Total Employed2415
Side-by-side bar chart comparing Columbia ($86,473) and Frederick ($79,483) occupational therapy assistant salaries.ColumbiaFrederickMedian Salary$86,473$79,483Entry Level (P10)$59,742$58,575Top Earner (P90)$109,239$101,848US Median $74,332

Verdict

Columbia, MD offers better overall compensation for occupational therapy assistants, winning 4 out of 4 metrics compared to Frederick.

The salary gap between Columbia and Frederick is $6,990 (8.79%). Columbia's median is +16.33% compared to the US national median of $74,332.

Salary Range Comparison

The full salary range (10th to 90th percentile) in Columbia spans $49,497,Frederick spans $43,273. Columbia has a wider pay range, meaning more potential for high earners but also more variation.

Columbia
P10 (Entry)$59,742
P25$71,959
Median$86,473
P75$96,103
P90 (Top)$109,239
Frederick
P10 (Entry)$58,575
P25$68,722
Median$79,483
P75$89,265
P90 (Top)$101,848

Cost-of-Living Adjusted Comparison

After cost-of-living adjustment, Columbia ($79,115 effective) pays 8.79% more than Frederick ($72,720 effective).

Columbia
Nominal: $86,473
CoL Index: 109.3
Adjusted: $79,115
Frederick
Nominal: $79,483
CoL Index: 109.3
Adjusted: $72,720

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

Which City Is Right for You?

Choose Columbia if…

  • Higher median salary ($86,473/year)
  • Better top-earner potential ($109,239)
  • Larger job market (24 employed)
  • Better purchasing power (CoL-adjusted: $79,115)
  • You prefer the Maryland area and lifestyle

Choose Frederick if…

  • You prefer the Maryland area and lifestyle

Historical Salary Growth Comparison

Based on BLS OEWS metropolitan area data, occupational therapy assistant salaries in Columbia grew 3.9% from 2024 to 2025, compared to 0.4% growth in Frederick over the same period.

Columbia, MD

+3.9%

$80,917 (2024) → $84,110 (2025)

Frederick, MD

+0.4%

$76,990 (2024) → $77,311 (2025)

View Full Salary Data

Frequently Asked Questions

Which city pays occupational therapy assistants more: Columbia or Frederick?

Columbia has a higher median occupational therapy assistant salary at $86,473/year, compared to Frederick at $79,483/year — a difference of $6,990 (8.79%).

What is the hourly rate difference between Columbia and Frederick?

Columbia occupational therapy assistants earn $41.58/hr while Frederick hygienists earn $38.21/hr (2026 est.).

Should I relocate from Columbia to Frederick as a occupational therapy assistant?

Consider more than just salary when comparing Columbia and Frederick. Factor in cost of living (CoL-adjusted: Columbia = $79,115, Frederick = $72,720), job availability (24 vs 15 employed), commute, and career growth potential.

What do entry-level occupational therapy assistants earn in Columbia vs Frederick?

Entry-level (10th percentile) occupational therapy assistants earn $59,742 in Columbia and $58,575 in Frederick. The Columbia 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