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Biological Science Teachers, Postsecondary Salary in Delaware: Cost of Living Adjusted (2025)

Last updated: 2025 BLS data · Page refreshed:

What does a Biological Science Teachers, Postsecondary 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
$101,380
Median annual (2025)
+2.0%
Real Purchasing Power
$103,448
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 Biological Science Teachers, Postsecondary earning $101,380 in Delaware has the equivalent purchasing power of $103,448 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) $63,780 $65,081 +$1,301
25th Percentile (P25) $83,200 $84,897 +$1,697
Median (P50) $101,380 $103,448 +$2,068
75th Percentile (P75) $126,230 $128,806 +$2,576
90th Percentile (P90) $161,320 $164,612 +$3,292
Key Insight

Delaware's cost of living is close to the national average, so $101,380 keeps most of its value at $103,448 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 Biological Science Teachers, Postsecondary 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, $101,380 nominal nets out to $103,449 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 Biological Science Teachers, Postsecondary.

Top-Quartile Adjusted Earnings in Delaware

#5 / 49

Ranked on COL-adjusted median pay for Biological Science Teachers, Postsecondary, Delaware places #5 of 49 states — top quartile. Either nominal wages run high, cost of living runs low, or both.

Best States for Biological Science Teachers, Postsecondary (After Cost of Living)

Where does Biological Science Teachers, Postsecondary salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.

$114,800
RPP 112.5
2. Montana
$111,273
RPP 90.3
$110,942
RPP 93.4
$108,593
RPP 91.0
$103,448
RPP 98.0
$102,299
RPP 88.7
$99,160
RPP 97.7
$97,788
RPP 101.3
$97,707
RPP 104.7
10. Colorado
$96,461
RPP 102.3

Delaware ranks #5 out of 49 states for Biological Science Teachers, Postsecondary after cost-of-living adjustment.

How much do you actually take home? See Biological Science Teachers, Postsecondary take-home pay in Delaware after taxes →

Frequently Asked Questions

What is the real salary for a Biological Science Teachers, Postsecondary in Delaware after cost of living?

A Biological Science Teachers, Postsecondary in Delaware earns a median salary of $101,380 per year. After adjusting for Delaware's cost of living (RPP=98.0), the real purchasing power is $103,448 — 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 Biological Science Teachers, Postsecondary in Delaware: $101,380 x (100 / 98.0) = $103,448. This represents what the salary would be worth in a state with average living costs.

Is it better to be a Biological Science Teachers, Postsecondary in Delaware financially?

From a purchasing power perspective, yes. A Biological Science Teachers, Postsecondary 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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