Spearfish vs Watertown: Dental Hygienist Salary (2026)
Compare dental hygienist salaries between Spearfish, SD and Watertown, SD. All figures are 2026 estimates projected from BLS 2025 data.
Side-by-Side Comparison
| Metric | Spearfish, SD | Watertown, SD |
|---|---|---|
| Median Salary | $91,602 | $91,860▲ |
| Hourly Rate | $44.04 | $44.16▲ |
| Entry Level (P10) | $71,121 | $74,624▲ |
| 25th Percentile | $83,076▲ | $80,026 |
| 75th Percentile | $96,831 | $99,361▲ |
| Top Earner (P90) | $107,780 | $111,731▲ |
| Total Employed | 5 | 6▲ |
Verdict
Watertown, SD offers better overall compensation for dental hygienists, winning 4 out of 4 metrics compared to Spearfish.
The salary gap between Spearfish and Watertown is $258 (0.28%). Watertown's median is -10.77% compared to the US national median of $102,946.
Salary Range Comparison
The full salary range (10th to 90th percentile) in Spearfish spans $36,659,Watertown spans $37,107. Watertown has a wider pay range, suggesting more variation in pay between entry-level and experienced dental hygienists.
Cost-of-Living Adjusted Comparison
After cost-of-living adjustment, Watertown ($98,987 effective) pays 0.28% more than Spearfish ($98,709 effective).
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 ($91,860/year)
- ✓Better top-earner potential ($111,731)
- ✓Larger job market (6 employed)
- ✓Better purchasing power (CoL-adjusted: $98,987)
- ✓You prefer the South Dakota area and lifestyle
Historical Salary Growth Comparison
Based on BLS OEWS metropolitan area data, dental hygienist salaries in Spearfish grew 21.0% from 2020 to 2025, compared to 21.0% growth in Watertown over the same period.
Spearfish, SD
$72,162 (2020) → $87,290 (2025)
Watertown, SD
$72,366 (2020) → $87,536 (2025)
View Full Salary Data
Spearfish, SD
Watertown, SD
Frequently Asked Questions
Which city pays dental hygienists more: Spearfish or Watertown?
What is the hourly rate difference between Spearfish and Watertown?
Should I relocate from Spearfish to Watertown as a dental hygienist?
What do entry-level dental hygienists earn in Spearfish vs Watertown?
Written by Sarah Chen, RDH, BSDH
Dental Career Analyst
Sarah Chen is a registered dental hygienist with over 12 years of clinical experience. She specializes in salary benchmarking and career strategy, helping dental professionals make data-driven career decisions using official BLS statistics.
Methodology & Data Source
All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 4.94% 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 Sarah Chen, RDH, BSDH, a licensed dental hygienist with 10+ years of clinical experience. · View source data at BLS.gov