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Environmental Engineers Salary in Delaware: Cost of Living Adjusted (2025)

Last updated: 2025 BLS data · Page refreshed:

What does a Environmental Engineers salary really buy you in Delaware?

Delaware is 2.0% cheaper than the US average

Data: BLS OEWS 2025 + BEA Regional Price Parities 2022 • Updated 2026-05-19

Nominal Salary
$95,720
Median annual (2025)
+2.0%
Real Purchasing Power
$97,673
COL-adjusted (RPP=98.0)

Delaware Cost of Living Index

Delaware's Regional Price Parity (RPP) is 98.0, meaning prices are 2.0% lower the national average. A Environmental Engineers earning $95,720 in Delaware has the equivalent purchasing power of $97,673 in an average-cost US state.

DE: 98.0
Cheapest (~85) US Avg (100) Priciest (~115)

Salary Breakdown: Nominal vs. COL-Adjusted

Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Delaware's cost of living.

Percentile Nominal Salary COL-Adjusted Difference
10th Percentile (P10) $70,100 $71,530 +$1,430
25th Percentile (P25) $78,530 $80,132 +$1,602
Median (P50) $95,720 $97,673 +$1,953
75th Percentile (P75) $124,110 $126,642 +$2,532
90th Percentile (P90) $151,890 $154,989 +$3,099
Key Insight

Delaware's cost of living is close to the national average, so $95,720 keeps most of its value at $97,673 in real terms. Location choice here is more about career opportunities than cost arbitrage.

What the Cost-of-Living Data Says

Delaware Sits Near the National Cost Benchmark

RPP 98.0

With an RPP of 98.0, Delaware is within a few percent of the national cost-of-living baseline. Salary adjustment for Environmental Engineers is therefore minor — what you earn is close to what you'd keep in real purchasing power.

Minor COL Adjustment for This Salary

+2.0%

After adjusting for Delaware's cost of living, $95,720 nominal nets out to $97,673 in real purchasing power — a small 2.0% gain. The state's cost profile is close enough to average that COL alone shouldn't drive location decisions for this Environmental Engineers.

Bottom-Quartile COL-Adjusted Pay

#39 / 50

Delaware ranks #39 of 50 — bottom quartile for Environmental Engineers real purchasing power. Relocation, employer negotiation, or remote roles at higher-paying markets tend to generate the biggest ROI.

Best States for Environmental Engineers (After Cost of Living)

Where does Environmental Engineers salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.

$144,050
RPP 90.6
$134,320
RPP 89.8
3. Idaho
$128,017
RPP 91.8
4. Texas
$126,215
RPP 97.5
5. Ohio
$123,693
RPP 91.5
$120,268
RPP 89.4
7. Oregon
$119,230
RPP 106.6
$119,076
RPP 91.0
$118,474
RPP 97.7
10. Alabama
$116,913
RPP 87.8

Delaware ranks #39 out of 50 states for Environmental Engineers after cost-of-living adjustment.

How much do you actually take home? See Environmental Engineers take-home pay in Delaware after taxes →

Frequently Asked Questions

What is the real salary for a Environmental Engineers in Delaware after cost of living?

A Environmental Engineers in Delaware earns a median salary of $95,720 per year. After adjusting for Delaware's cost of living (RPP=98.0), the real purchasing power is $97,673 — a +2.0% difference.

Is Delaware expensive to live in?

Delaware's cost of living is 2.0% lower than the national average according to the BEA Regional Price Parities (2022). The RPP index for Delaware is 98.0 (US average = 100).

What are Regional Price Parities (RPP)?

Regional Price Parities (RPPs) are price indexes published by the U.S. Bureau of Economic Analysis (BEA) that measure differences in price levels across states. They are expressed as a percentage of the national average (US = 100). Higher RPP means higher cost of living.

How is the cost-of-living adjusted salary calculated?

The adjusted salary is calculated as: Nominal Salary x (100 / RPP). For a Environmental Engineers in Delaware: $95,720 x (100 / 98.0) = $97,673. This represents what the salary would be worth in a state with average living costs.

Is it better to be a Environmental Engineers in Delaware financially?

From a purchasing power perspective, yes. A Environmental Engineers in Delaware enjoys 2.0% more buying power than the nominal salary suggests, because living costs are below the national average. However, other factors like job availability, career growth, and quality of life also matter.

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