OT Assistant Salary

Spearfish vs Watertown: Occupational Therapy Assistant Salary (2026)

Compare occupational therapy assistant salaries between Spearfish, SD and Watertown, SD. All figures are 2026 estimates projected from BLS 2025 data.

Spearfish, SD
$66,140
$31.80/hr
Watertown, SD
$66,327
$31.89/hr

Side-by-Side Comparison

MetricSpearfish, SDWatertown, SD
Median Salary$66,140$66,327
Hourly Rate$31.80$31.89
Entry Level (P10)$47,754$50,274
25th Percentile$60,096$57,894
75th Percentile$69,215$71,041
Top Earner (P90)$75,139$77,984
Total Employed56
Side-by-side bar chart comparing Spearfish ($66,140) and Watertown ($66,327) occupational therapy assistant salaries.SpearfishWatertownMedian Salary$66,140$66,327Entry Level (P10)$47,754$50,274Top Earner (P90)$75,139$77,984US Median $74,332

Verdict

Watertown, SD offers better overall compensation for occupational therapy assistants, winning 4 out of 4 metrics compared to Spearfish.

The salary gap between Spearfish and Watertown is $187 (0.28%). Watertown's median is -10.77% compared to the US national median of $74,332.

Salary Range Comparison

The full salary range (10th to 90th percentile) in Spearfish spans $27,385,Watertown spans $27,710. Watertown has a wider pay range, suggesting more variation in pay between entry-level and experienced occupational therapy assistants.

Spearfish
P10 (Entry)$47,754
P25$60,096
Median$66,140
P75$69,215
P90 (Top)$75,139
Watertown
P10 (Entry)$50,274
P25$57,894
Median$66,327
P75$71,041
P90 (Top)$77,984

Cost-of-Living Adjusted Comparison

After cost-of-living adjustment, Watertown ($71,473 effective) pays 0.28% more than Spearfish ($71,272 effective).

Spearfish
Nominal: $66,140
CoL Index: 92.8
Adjusted: $71,272
Watertown
Nominal: $66,327
CoL Index: 92.8
Adjusted: $71,473

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

Which City Is Right for You?

Choose Spearfish if…

  • You prefer the South Dakota area and lifestyle

Choose Watertown if…

  • Higher median salary ($66,327/year)
  • Better top-earner potential ($77,984)
  • Larger job market (6 employed)
  • Better purchasing power (CoL-adjusted: $71,473)
  • You prefer the South Dakota area and lifestyle

Historical Salary Growth Comparison

Based on BLS OEWS metropolitan area data, occupational therapy assistant salaries in Spearfish grew 20.5% from 2024 to 2025, compared to 20.5% growth in Watertown over the same period.

Spearfish, SD

+20.5%

$53,388 (2024) → $64,332 (2025)

Watertown, SD

+20.5%

$53,539 (2024) → $64,514 (2025)

View Full Salary Data

Frequently Asked Questions

Which city pays occupational therapy assistants more: Spearfish or Watertown?

Watertown has a higher median occupational therapy assistant salary at $66,327/year, compared to Spearfish at $66,140/year — a difference of $187 (0.28%).

What is the hourly rate difference between Spearfish and Watertown?

Spearfish occupational therapy assistants earn $31.80/hr while Watertown hygienists earn $31.89/hr (2026 est.).

Should I relocate from Spearfish to Watertown as a occupational therapy assistant?

Consider more than just salary when comparing Spearfish and Watertown. Factor in cost of living (CoL-adjusted: Spearfish = $71,272, Watertown = $71,473), job availability (5 vs 6 employed), commute, and career growth potential.

What do entry-level occupational therapy assistants earn in Spearfish vs Watertown?

Entry-level (10th percentile) occupational therapy assistants earn $47,754 in Spearfish and $50,274 in Watertown. The Watertown 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