BLS metro-level wage data places Mobile Heavy Equipment Mechanics, Except Engines pay in Sioux City, IA-NE-SD at a median of $71,430 per year ($34.34/hr/hour), drawn from the OEWS May 2025 release for this Metropolitan Statistical Area. Compared to the national median of $65,510, Sioux City pays +9% above, signaling either concentrated employer demand, a cost-of-living premium, or both. Approximately 150 mobile heavy equipment mechanics, except enginess are employed across the Sioux City MSA in SOC 49-3042.

The Sioux City pay distribution spans from $51,220 at the 10th percentile to $90,910 at the 90th — a 1.8× 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 $62,310 and the 75th at $79,990, so half of Sioux City-based mobile heavy equipment mechanics, except enginess 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 Sioux City, IA-NE-SD 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 IA data, and peer-metro comparisons — a median is a starting point, not a ceiling.