BLS metro-level wage data places Teaching Assistants, Except Postsecondary pay in Mount Vernon-Anacortes, WA at a median of $57,950 per year, drawn from the OEWS May 2025 release for this Metropolitan Statistical Area. Compared to the national median of $36,780, Mount Vernon-Anacortes pays +58% above, signaling either concentrated employer demand, a cost-of-living premium, or both. Approximately 870 teaching assistants, except postsecondarys are employed across the Mount Vernon-Anacortes MSA in SOC 25-9045.

The Mount Vernon-Anacortes pay distribution spans from $39,470 at the 10th percentile to $62,920 at the 90th — a 1.6× 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 $48,100 and the 75th at $59,830, so half of Mount Vernon-Anacortes-based teaching assistants, except postsecondarys 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 Mount Vernon-Anacortes, WA 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 WA data, and peer-metro comparisons — a median is a starting point, not a ceiling.