St. Robert is a somewhat small city located in the state of Missouri. With a population of 5,386 people and three associated neighborhoods, St. Robert is the 133rd largest community in Missouri. There's nothing like the smell of a brand new house, and in St. Robert, you'll find that a large proportion of houses were recently built. New growth in residential real estate is an indication that people are choosing to move to St. Robert, and putting down their money on brand new construction. St. Robert’s real estate is, on average, some of the newest in the nation. St. Robert does seem to be experiencing an influx of affluent people, because the median household income is $52,627.00.

St. Robert is home to a number of people employed in the armed forces. When you visit or walk around St. Robert, some of the people you will bump into will be military people In and out of uniform, jogging, shopping and generally out and about town.

Also of interest is that St. Robert has more people living here who work in computers and math than 95% of the places in the US.

Being a small city, St. Robert does not have a public transit system used by locals to get to and from work.

The education level of St. Robert citizens is very high relative to the national average among all cities (21.84%): 35.35% of adults in St. Robert have a bachelor's degree or even advanced degree.

The per capita income in St. Robert in 2018 was $32,762, which is upper middle income relative to Missouri, and middle income relative to the rest of the US. This equates to an annual income of $131,048 for a family of four. However, St. Robert contains both very wealthy and poor people as well.

St. Robert is an extremely ethnically-diverse city. The people who call St. Robert home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of St. Robert residents report their race to be White, followed by Black or African-American. St. Robert also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 13.20% of the city’s residents. Important ancestries of people in St. Robert include German, Irish, English, European, and Polish.

The most common language spoken in St. Robert is English. Other important languages spoken here include German/Yiddish and Tagalog.