St. Marys, Iowa

St. Marys, Iowa
City
Location of St. Marys, Iowa Location of St. Marys, Iowa
Coordinates:
Country	United States
State	Iowa
County	Warren
Area
• Total	0.14 sq mi (0.36 km2)
• Land	0.14 sq mi (0.36 km2)
• Water	0 sq mi (0 km2)
Elevation	1,027 ft (313 m)
Population (2010)
• Total	127
• Estimate (2012)	127
• Density	907.1/sq mi (350.2/km2)
Time zone	Central (CST) (UTC-6)
• Summer (DST)	CDT (UTC-5)
FIPS code	19-70095
GNIS feature ID	0461154

St. Marys is a city in Warren County, Iowa, United States. The population was 127 at the 2010 census.

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

History

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

Geography

St. Marys is located at (41.307271, -93.736082).

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.	±%
1930	89	—
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%
1880	35	−72.4%
2014	127	+262.9%
Source: and Iowa Data Center Source: U.S. Decennial Census

2010 census

As of the census of 2010, there were 127 people, 42 households, and 34 families residing 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 makeup 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 population.

There were 42 households of which 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 all households were made up of individuals and 11.9% had someone living alone who was 65 years of age or older. The average household size was 3.02 and the average family size was 3.35.

The median age in the city 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 years of age or older. The gender makeup of the city was 44.1% male and 55.9% female.

2000 census

As of the census of 2000, there were 134 people, 49 households, and 36 families residing in the city. The population density was 968.3 people per square mile (369.6/km²). There were 49 housing units at an average density of 354.1 per square mile (135.1/km²). The racial makeup of the city was 100.00% White. Hispanic or Latino of any race were 1.49% of the population.

There were 49 households out of which 46.9% had children under the age of 18 living with them, 61.2% were married couples living together, 8.2% had a female householder with no husband present, and 26.5% were non-families. 24.5% of all households were made up of individuals and 10.2% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.31.

In the city the population was spread out with 34.3% under the age of 18, 7.5% from 18 to 24, 32.1% from 25 to 44, 17.2% from 45 to 64, and 9.0% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 94.2 males. For every 100 females age 18 and over, there were 91.3 males.

The median income for a household in the city was $38,750, and the median income for a family was $49,500. Males had a median income of $28,929 versus $25,313 for females. The per capita income for the city was $16,747. None of the population and none of the families were below the poverty line.