Start with the answer
Electro-Mechanical and Mechatronics Technologists and Technicians pay in Nashville-Davidson--Murfreesboro--Franklin, TN and San Francisco-Oakland-Fremont, CA
The May 2025 BLS OEWS median for Electro-Mechanical and Mechatronics Technologists and Technicians is $67,380 per year in Nashville-Davidson--Murfreesboro--Franklin, TN. It is $109,990 per year in San Francisco-Oakland-Fremont, CA. Nashville-Davidson--Murfreesboro--Franklin, TN is 38.7% below San Francisco-Oakland-Fremont, CA on the published median.
Both rows use SOC 17-3024 and the same annual wage metric. Median means the middle of each area's published wage spread. It is not one worker's pay. The larger median is not proof that one place gives a better job or a better result. It is one wage fact from one source period.
BLS lists 30 wage and salary jobs in Nashville-Davidson--Murfreesboro--Franklin, TN and 290 in San Francisco-Oakland-Fremont, CA. Those are survey job counts, not open posts. Read pay, job scale, local share, and price level as separate facts before you make a choice.
Evidence: bls-oews-may-2025 · Rule: same-soc-same-metric-pair · nominal-median-gap · employment-not-openings