Mechanical engineer · Decatur, IL
Mechanical engineer in Decatur: $3,661/mo left
BLS OEWS May 2025 did not publish a Decatur median for this job. The paycheck used here is the Illinois median, $102,680 a year. BLS still counts about 130 mechanical engineer jobs in the metro, without a published wage. Illinois has about 11,790 mechanical engineer jobs. The 10th percentile is $72,150 and the 90th is $160,160. On the pay used here, Decatur ranks 130th-highest of 387 metros. Pay is 12.2× a year of one-bedroom rent ($699/mo). Illinois charges a 4.95% flat income tax. At this pay, one adult in a one-bedroom keeps $3,661 a month after tax and rent. The best nearby metro for this job is Peoria, about 70 miles away, at $4,867 left over a month.
Source: BLS OEWS May 2025.
Left over each month
$3,661
1 adult, 1 bd
Pay
$102,680
State median
Rent (1 bd)
$699
$832 (2 bd)
Employment
130
Location quotient 1.51
Pay rank
130th of 387
Includes estimated pay
Pay vs rent
12.2×
Annual pay ÷ a year of 1 bd rent
Where the money goes
1 adult, 1 bd, mechanical engineer pay of $102,680.
- Taxes$2,250
- Rent$699
- Other living costs$1,946
- Left over$3,661
Pay and tax, per year
- Gross household pay
- $102,680
- Federal income tax
- −$14,204
- Social Security and Medicare
- −$7,855
- State income tax (IL)
- −$4,945
- Take-home pay
- $75,676
- Effective tax rate
- 26.3%
Living costs, per month
- Rent, 1br
- $699
- Groceries
- $378
- Getting around
- $577
- Healthcare
- $425
- Utilities and internet
- $236
- Everything else
- $330
- Total spending
- $2,645
Left over each month
$8,557 gross, minus $2,250 in tax and $2,645 in living costs.
$3,661
Rank every metro for a mechanical engineer
Same job. Local pay. After tax and rent. Best nearby: Peoria, $4,867/mo.
Mechanical engineer leftover by city →Best cities for mechanical engineers to move to →Mechanical engineer nearby
Other jobs in Decatur
- Registered nurse
- Software developer
- Elementary school teacher
- High school teacher
- Accountant / auditor
- Truck driver (heavy)
- Electrician
- Civil engineer
- Lawyer
- Police officer
- Financial analyst
- Pharmacist
- Product / project manager
- Physical therapist
- Nurse practitioner
- Physician
- Construction manager
- Data scientist
- Firefighter
Questions
What does a mechanical engineer make in Decatur?
$102,680 a year. That figure is the Illinois median from BLS OEWS May 2025, because the metro wage was not published. About 130 mechanical engineer jobs are in the metro.
What is left after tax and rent for a mechanical engineer in Decatur?
$3,661 a month for one adult in a one-bedroom. Illinois charges a 4.95% flat income tax Rent is $699, and pay covers 12.2× a year of it.
Where nearby would a mechanical engineer keep more?
Peoria, about 70 miles away, leaves $4,867 a month, more than Decatur.