Here's what you'll pay for a babysitter in nine of the most expensive cities in the US

Child care is expensive: In 33 US states, it costs more than sending your kid to college.

But even if your children no longer require a nanny or attend a day care, hiring a sitter for a single night out can add up quickly - especially if you live in a major city, such as New York or San Francisco.

UrbanSitter recently surveyed over 20,000 families from across the country to find the average hourly rate parents pay for babysitting, focusing its report on nine of America's most expensive cities.

San Francisco clocks in as the most expensive place to hire a sitter, costing $17.34 per hour for a single child. Denver proves the cheapest on the list, yet it still costs $12.22 per hour for a single child.

What are you willing to pay for a night out? If you're on the hunt for a babysitter, read on to see how much it costs in nine of the most expensive cities in the US.

Note: all figures refer to hourly rates.