First-Line Supervisors of Mechanics, Installers, and Repairers Salary in Sumter, SC
According to the latest U.S. Bureau of Labor Statistics data, the median annual wage for First-Line Supervisors of Mechanics, Installers, and Repairers in Sumter, SC is $79,540. BLS estimates approximately 190 people work in this occupation in Sumter, SC. Sumter, SC is 0.4% below the national median ($79,860).
Salary Distribution
Not everyone earns the median. Percentile wages show the range of pay within this occupation.
| Percentile | Annual wage | Hourly wage |
|---|---|---|
| 10th percentile | $45,170 | $21.72 |
| 25th percentile | $60,680 | $29.17 |
| Median (50th) | $79,540 | $38.24 |
| 75th percentile | $108,100 | $51.97 |
| 90th percentile | $114,170 | $54.89 |
Data Reliability
BLS OEWS is a survey, not a full census — every estimate carries a margin of error. The relative standard error (RSE) below is BLS’s own measure of how much an estimate could vary; lower is more precise.
- Wage estimate
- RSE 3.7% — Very reliable
- Employment estimate
- RSE 8.5% — Reliable
Where Does Your Salary Fall?
Enter an annual salary to see roughly where it falls among reported wages for this occupation, based on the percentile points above.
Concentration
- Jobs per 1,000
- 5.419
- Location quotient
- 1.36
Cost-of-Living Adjusted Salary
Sumter, SC’s regional price level is below the national average (index 88.02, where 100 = U.S. average). Adjusted for that, the median salary has the purchasing power of $90,366 at the national price level.
This is a Career Atlas USA calculation based on BLS wage data and BEA Regional Price Parities. It is not a separate BLS wage estimate. Wage data: May 2025. Cost-of-living data: 2024.
Sources
Wage data: BLS Occupational Employment and Wage Statistics (OEWS) — May 2025 (release 25).
Figures shown as “Not available” reflect wages the source does not publish (e.g. suppressed for reliability), not zero.