Engineering Saint Louis, MO Pop. 301,578

Environmental Engineer Salary in Saint Louis, Missouri

The median environmental engineer salary in Saint Louis, MO is $87,138 per year, which is 10% below the national median and 2.3% above the Missouri state average.

City Median
$87,138
vs State Avg
+$1,936
vs National
$-9,682
Cost of Living
90%

Environmental Engineer Pay in Saint Louis: What to Expect (2026)

Saint Louis offers a median environmental engineer salary of $87,138, which is $1,936 above the Missouri state average of $85,202. Compared to the national median of $96,820, Saint Louis pays below the national benchmark for this role.

Saint Louis's cost of living is 90% of the national average, meaning salary figures here closely reflect actual purchasing power. This makes direct comparisons to other cities straightforward.

The salary range for environmental engineers in Saint Louis spans from $54,900 at the 10th percentile to $133,200 at the 90th percentile — a $78,300 spread. Entry-level professionals start around $57,600, while senior environmental engineers with 8+ years of experience can earn up to $127,800. With a population of 301,578, Saint Louis is a mid-sized metro with a growing job market.

Environmental Engineer Salary in Saint Louis by Experience

In Saint Louis, an entry-level environmental engineer earns around $57,600, while experienced professionals earn up to $127,800 per year. The local cost of living index is 90% of the national average.

Entry Level (0-2 yrs)
$57,600
$-6,400 vs national
Mid Level (3-7 yrs)
$88,200
$-9,800 vs national
Senior Level (8+ yrs)
$127,800
$-14,200 vs national

Salary Percentiles in Saint Louis, MO

Percentile Saint Louis
10th Percentile $54,900
25th Percentile $68,400
Median (50th) $87,138
75th Percentile $109,800
90th Percentile $133,200

Environmental Engineer Salary in Other Missouri Cities

Kansas City, MO
$89,074
Pop. 508,090
Columbia, MO
$85,202
Pop. 126,254
Independence, MO
$82,297
Pop. 123,011
Springfield, MO
$79,392
Pop. 169,176

How to Become a Environmental Engineer in Saint Louis

Education

Most environmental engineer positions require a bachelor's degree. Saint Louis and the surrounding Missouri area have institutions offering relevant programs.

Key Skills

Environmental RemediationWater TreatmentAir QualityEPA RegulationsGISProject Management

Job Outlook

Nationally, environmental engineer employment is projected to grow 4% over the next decade (as fast as average). Demand in Saint Louis may vary based on local industry and population growth.

Find Environmental Engineer Jobs in Saint Louis

Browse open environmental engineer positions in Saint Louis, MO:

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Frequently Asked Questions: Environmental Engineer Salary in Saint Louis

How much does a Environmental Engineer make in Saint Louis, MO? ▼
The median environmental engineer salary in Saint Louis, Missouri is $87,138 per year, which is 10% below the national median of $96,820. Salaries range from $54,900 (10th percentile) to $133,200 (90th percentile).
How much does a Environmental Engineer make per hour in Saint Louis? ▼
Based on the median annual salary of $87,138, a environmental engineer in Saint Louis earns approximately $42 per hour assuming a standard 2,080-hour work year.
How does Saint Louis compare to the Missouri state average for environmental engineer pay? ▼
Saint Louis's median environmental engineer salary of $87,138 is 2.3% above the Missouri state average of $85,202. The local cost of living index is 90% of the national average.
What is the cost of living in Saint Louis, MO? ▼
Saint Louis has a cost of living index of 90% compared to the national average. This means a environmental engineer salary of $87,138 in Saint Louis has more purchasing power than the same salary in an average-cost city.
What qualifications do I need to become a environmental engineer in Saint Louis? ▼
Most environmental engineer positions in Saint Louis require a bachelor's degree. Key skills include Environmental Remediation, Water Treatment, Air Quality, EPA Regulations. The job market is projected to grow 4% nationally over the next decade.