Marriott-Slaterville is a city in Weber County, Utah. It is located south of Harrisville, east of Slaterville and north of Marriot.

According to the 2000 census, Marriott-Slaterville has a population of more than 1000 people. The city has a total area of 7.5square miles with a population density of over 196
people per square mile. It is located an elevation of over 4,200 feet above sea level.

The racial demographics of Marriott-Slaterville are predominately white accounting for about 96% of the population.

Marriott-Slaterville has more than 190 households. The median income for a household in the city is $49,732 and the median income for a family is $57,083.