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St. Marys, Iowa facts for kids

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St. Marys, Iowa
Location of St. Marys, Iowa
Location of St. Marys, Iowa
Country  United States
State  Iowa
County Warren
Area
 • Total 0.14 sq mi (0.37 km2)
 • Land 0.14 sq mi (0.37 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
1,037 ft (316 m)
Population
 (2020)
 • Total 108
 • Density 765.96/sq mi (295.33/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
FIPS code 19-70095
GNIS feature ID 2396506

St. Marys or Saint Marys is a city in Warren County, Iowa, United States. The population was 108 at the time of the 2020 census.

St. Marys is part of the Des MoinesWest Des Moines Metropolitan Statistical Area.

History

St. Marys (originally spelled St. Mary's with the apostrophe s) was laid out about 1870.

Geography

According to the United States Census Bureau, the city has a total area of 0.14 square miles (0.36 km2), all of it land.

Demographics

Historical populations
Year Pop. ±%
1880 35 —    
1930 89 +154.3%
1940 84 −5.6%
1950 89 +6.0%
1960 94 +5.6%
1970 105 +11.7%
1980 111 +5.7%
1990 113 +1.8%
2000 134 +18.6%
2010 127 −5.2%
2020 108 −15.0%
Source: and Iowa Data Center
Source:
U.S. Decennial Census

2010 census

At the 2010 census there were 127 people in 42 households, including 34 families, in the city. The population density was 907.1 inhabitants per square mile (350.2/km2). There were 46 housing units at an average density of 328.6 per square mile (126.9/km2). The racial makup of the city was 99.2% White and 0.8% from two or more races. Hispanic or Latino of any race were 1.6%.

Of the 42 households 50.0% had children under the age of 18 living with them, 59.5% were married couples living together, 19.0% had a female householder with no husband present, 2.4% had a male householder with no wife present, and 19.0% were non-families. 16.7% of households were one person and 11.9% were one person aged 65 or older. The average household size was 3.02 and the average family size was 3.35.

The median age was 37.6 years. 35.4% of residents were under the age of 18; 6.4% were between the ages of 18 and 24; 21.3% were from 25 to 44; 29.2% were from 45 to 64; and 7.9% were 65 or older. The gender makeup of the city was 44.1% male and 55.9% female.

See also

Kids robot.svg In Spanish: St. Marys (Iowa) para niños

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