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St. Mary, Missouri facts for kids

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St. Mary, Missouri
The old Mississippi River bed at St. Mary, now just a small stream
The old Mississippi River bed at St. Mary, now just a small stream
Location of St. Mary, Missouri
Location of St. Mary, Missouri
Country United States
State Missouri
County Ste. Genevieve
Area
 • Total 0.61 sq mi (1.58 km2)
 • Land 0.60 sq mi (1.55 km2)
 • Water 0.01 sq mi (0.02 km2)
Elevation
459 ft (140 m)
Population
 (2020)
 • Total 309
 • Density 515.86/sq mi (199.08/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
FIPS code 29-65034
GNIS feature ID 2396504

St. Mary is a small city located in Ste. Genevieve County, Missouri, in the United States. In 2020, about 309 people lived there.

What's in a Name?

St. Mary has had a few interesting nicknames over time, like "Camp Rowdy" and "Yankeetown." Eventually, the community became known as St. Mary's Landing. Later, people simply called it St. Mary's, and now it's known as St. Mary.

A Look at History

This small city was founded by settlers who came from France. They also built the St. Mary's Catholic Church. The city was first named St. Mary's Landing.

On October 24, 2021, a very strong tornado, called an EF3 tornado, passed through the town. It caused a lot of damage.

Where is St. Mary?

St. Mary is located in an area known as the Grand Champ Bottoms. Saint Laurent Creek borders the community to the south. Saline Creek is to the north.

An offshoot of the Mississippi River separates St. Mary from Kaskaskia Island to the east. The city covers a total area of about 0.61 square miles (1.58 square kilometers). Most of this area is land, with a small part being water.

Population Over Time

Historical population
Census Pop.
1860 142
1870 397 179.6%
1880 419 5.5%
1890 446 6.4%
1900 576 29.1%
1910 702 21.9%
1920 722 2.8%
1930 554 −23.3%
1940 605 9.2%
1950 635 5.0%
1960 620 −2.4%
1970 645 4.0%
1980 565 −12.4%
1990 461 −18.4%
2000 377 −18.2%
2010 360 −4.5%
2020 309 −14.2%
U.S. Decennial Census 2020

People in 2010

According to the census from 2010, 360 people lived in St. Mary. There were 159 households and 89 families. The city had about 600 people per square mile.

Most of the people in St. Mary were White (91.67%). There were also Black or African American people (4.72%), Native American people (0.28%), and people from other races (0.83%). About 2.50% of the population was made up of people from two or more races. Hispanic or Latino people made up 1.94% of the population.

About 25% of the households had children under 18 living with them. The average household had 2.26 people. The average family had 2.93 people.

The average age of people in the city was 40.9 years old. About 25% of residents were under 18. About 17.8% were 65 years or older. The population was split evenly, with 50% male and 50% female.

Famous Person from St. Mary

  • Sonny Siebert was a baseball player. He was a pitcher for six different teams during his Major League Baseball (MLB) career. He was chosen to be an All-Star twice.

See also

Kids robot.svg In Spanish: St. Mary (Misuri) para niños

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