BLS metro-level wage data places Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic pay in North Valley-Northern Mountains Region of California nonmetropolitan area at a median of $49,860 per year ($23.97/hr/hour), drawn from the OEWS May 2025 release for this Metropolitan Statistical Area. Compared to the national median of $46,550, North Valley-Northern Mountains Region of California nonmetropolitan area pays +7% above, signaling either concentrated employer demand, a cost-of-living premium, or both. Approximately 40 grinding, lapping, polishing, and buffing machine tool setters, operators, and tenders, metal and plastics are employed across the North Valley-Northern Mountains Region of California nonmetropolitan area MSA in SOC 51-4033.

The North Valley-Northern Mountains Region of California nonmetropolitan area pay distribution spans from $39,850 at the 10th percentile to $68,530 at the 90th — a 1.7× spread that reflects experience tenure, specialization, employer size, and the difference between public-sector, nonprofit, and private-sector compensation inside the metro. The 25th percentile sits at $41,360 and the 75th at $68,530, so half of North Valley-Northern Mountains Region of California nonmetropolitan area-based grinding, lapping, polishing, and buffing machine tool setters, operators, and tenders, metal and plastics earn within that middle band.

Metro figures capture where you actually work, not just where you live — which matters for commuters. BLS draws metro boundaries from the OMB MSA definitions, so North Valley-Northern Mountains Region of California nonmetropolitan area covers the central city plus outlying counties tied to the metro economically. Remember that OEWS wages reflect base pay only: employer-provided health insurance, retirement matches, stock options, signing bonuses, overtime, and tips are excluded and can add 20-40% to real total compensation. Before using this metro median as a negotiation anchor, triangulate against the same occupation's national profile (linked below), its state-wide CA data, and peer-metro comparisons — a median is a starting point, not a ceiling.