If you are an Inside Sales Engineer, Houston, TX, Charlotte, NC, and Boulder, CO offer high salaries. These cities provide opportunities to earn significantly more, with Houston topping the list. Billings, MT also has attractive pay, though slightly lower than the other cities. Locations can greatly affect salaries. In Houston, TX, the average salary reaches $84,391. Charlotte, NC, follows closely with an average of $79,162. Boulder, CO, maintains a competitive salary at $74,822, while Billings, MT, offers an average of $69,263. Considering these cities can help you make informed decisions about where to look for Inside Sales Engineer positions.