Nurse Practitioner Pay

Boulder vs Castle Rock: Nurse Practitioner Salary (2026)

Compare nurse practitioner salaries between Boulder, CO and Castle Rock, CO. All figures are 2026 estimates projected from BLS 2025 data.

Boulder, CO
$143,609
$69.04/hr
Castle Rock, CO
$133,137
$64.00/hr

Side-by-Side Comparison

MetricBoulder, COCastle Rock, CO
Median Salary$143,609$133,137
Hourly Rate$69.04$64.00
Entry Level (P10)$77,081$106,182
25th Percentile$82,284$121,299
75th Percentile$156,520$154,541
Top Earner (P90)$181,762$169,293
Total Employed30014
Side-by-side bar chart comparing Boulder ($143,609) and Castle Rock ($133,137) nurse practitioner salaries.BoulderCastle RockMedian Salary$143,609$133,137Entry Level (P10)$77,081$106,182Top Earner (P90)$181,762$169,293US Median $136,864

Verdict

Boulder, CO offers better overall compensation for nurse practitioners, winning 4 out of 4 metrics compared to Castle Rock.

The salary gap between Boulder and Castle Rock is $10,472 (7.87%). Boulder's median is +4.93% compared to the US national median of $136,864.

Salary Range Comparison

The full salary range (10th to 90th percentile) in Boulder spans $104,681,Castle Rock spans $63,111. Boulder has a wider pay range, meaning more potential for high earners but also more variation.

Boulder
P10 (Entry)$77,081
P25$82,284
Median$143,609
P75$156,520
P90 (Top)$181,762
Castle Rock
P10 (Entry)$106,182
P25$121,299
Median$133,137
P75$154,541
P90 (Top)$169,293

Cost-of-Living Adjusted Comparison

After cost-of-living adjustment, Boulder ($136,508 effective) pays 7.66% more than Castle Rock ($126,797 effective).

Boulder
Nominal: $143,609
CoL Index: 105.202
Adjusted: $136,508
Castle Rock
Nominal: $133,137
CoL Index: 105
Adjusted: $126,797

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

Which City Is Right for You?

Choose Boulder if…

  • Higher median salary ($143,609/year)
  • Better top-earner potential ($181,762)
  • Larger job market (300 employed)
  • Better purchasing power (CoL-adjusted: $136,508)
  • You prefer the Colorado area and lifestyle

Choose Castle Rock if…

  • You prefer the Colorado area and lifestyle

Historical Salary Growth Comparison

Based on BLS OEWS metropolitan area data, nurse practitioner salaries in Boulder grew 18.9% from 2019 to 2025, compared to 0.3% growth in Castle Rock over the same period.

Boulder, CO

+18.9%

$116,770 (2019) → $138,820 (2025)

Castle Rock, CO

+0.3%

$128,254 (2024) → $128,697 (2025)

View Full Salary Data

Frequently Asked Questions

Which city pays nurse practitioners more: Boulder or Castle Rock?

Boulder has a higher median nurse practitioner salary at $143,609/year, compared to Castle Rock at $133,137/year — a difference of $10,472 (7.87%).

What is the hourly rate difference between Boulder and Castle Rock?

Boulder nurse practitioners earn $69.04/hr while Castle Rock hygienists earn $64.00/hr (2026 est.).

Should I relocate from Boulder to Castle Rock as a nurse practitioner?

Consider more than just salary when comparing Boulder and Castle Rock. Factor in cost of living (CoL-adjusted: Boulder = $136,508, Castle Rock = $126,797), job availability (300 vs 14 employed), commute, and career growth potential.

What do entry-level nurse practitioners earn in Boulder vs Castle Rock?

Entry-level (10th percentile) nurse practitioners earn $77,081 in Boulder and $106,182 in Castle Rock. The Castle Rock area offers higher starting salaries.
MG

Written by Maria Gonzalez, MSN, NP-C

Career Analyst

Maria has 10 years of experience in adult healthcare. She works in a community health clinic. Her specialty is chronic disease management.

Clinically reviewed by James Patel, DNP, APRNData verified by Aisha Khan, MSN, FNP-BC

Methodology & Data Source

All salary figures are 2026 projections based on BLS OEWS May 2025 data. A 3.45% 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 Maria Gonzalez, MSN, NP-C, a licensed nurse practitioner with 10+ years of clinical experience. · View source data at BLS.gov