As at February 2015, the average salary for a live-in nanny in Utah is $20,000. This is 22 percent lower than the national average for live-in nanny postings.
Nanny salaries are dependent on geography, hours, the nanny's level of experience and her education. Nannies are paid an hourly rate, and when living in, will typically work an average of 45 hours per week. The salary is also affected by the number of children the nanny cares for. A nanny with no experience may expect around $400 per week, while a professional nanny or college graduate can be paid up to $1000 per week.