Webpostmaster salary in united states postal service is usually between $76,505 and $91,260 (25th and 75th). The highest postmaster salary in united states postal service was. Webpostmaster general was the 1854th most popular job in the u. s. Government in 2014, with 1 employed. The most common payscale was the usps, annual rate payscale. Webaug 15, 2024 · according to federalpay. org, the postmaster general makes an average of $82,360 per year. The postmaster general may also qualify for additional compensation.