The area that is now New Mexico became part of Mexico after the  Mexican War of Independence in 1821. It was ceded to the United  States in 1848 after the Mexican-American Wâ¦ar and the Treaty of  Guadalupe Hidalgo.
Unlike nannies, babysitters often work part-time or on an âas-neededâ basis for several families at a time, and are paid hourly at the end of a shift. Hourly rates are influenced by cost of living and minimum wage laws. According to a 2017 survey of Sittercity babysitters, the U.S. national average is $13.95/hour.
SitterCity.com has a calculator that you can use to find out what the average babysitter over the age of 18 charges in your local area. For example, a babysitter in the Detroit area would charge around $9.50 per hour to watch two children under the age of four. ABCNews.com breaks down the costs in popular cities. In New York City, for example, the hourly rate is about $15.34 for one child, while in the Seattle Metro area, itâs $12.80 for one child.