St. Marys City, Iowa
According to 2000 Census Bureau, there were 134 residents, 49 households, and 36 families in the city. The population density was 968.3 people per square mile (373.86/km˛), it is 351st most densely populated city in Iowa. There were 49 housing units at an average density of 350 per square mile (135.14/km˛). The average household size was 2.73 persons, and the average family size was 3.31 persons. In the city the population is diverse age-wise, 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% who were 65 or older. For every 100 females there were 94.2 males. For every 100 females age 18 and over, there were 91.3 males. The median age was 36 years, The median age of males was 34.5 years, for females the median age was 36.8 years. The racial makeup of the city was 100% White, 0% Black or African American, 0% American Indian, 0% Asian, 0% Native Hawaiian, 0% from two or more races and 0% Other races.
The median income for a household in the city was $38750, it is Iowa's 239th wealthiest city by median household income. The median income for a family in the city was $49500, making its Iowa's 155th highest city by median family income. The per capita income for the city was $16747, it is the 476th highest city by per capita income in the U.S. state of Iowa. The median income of city was $26625, Males had a median income of $28929 versus $25156 for females.
In 2000, 36 pupils and students, of which 47.22% are male and 52.78% are female, 26.87% of the total population, are in the education system. Of which, percentage of enrollment student are in, 5.56% nursery or pri school, 0% kindergarten, 58.33% elementary school, 22.22% high school and 13.89% College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 134 |
| April 2000 Estimate | 134 |
| July 2000 Estimate | 134 |
| July 2001 Estimate | 131 |
| July 2002 Estimate | 131 |
| July 2003 Estimate | 131 |
| July 2004 Estimate | 129 |
| July 2005 Estimate | 128 |
| July 2006 Estimate | 128 |
| July 2007 Estimate | 127 |
| July 2008 Estimate | 127 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 2 | 2 | |
| Kindergarten | 0 | ||
| Elementary school | 10 | 11 | 21 |
| High school | 7 | 1 | 8 |
| College or graduate school | 0 | 5 | 5 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| St. Marys city, Iowa | $38750 | $49500 | $16747 |
| Warren County, Iowa | $50349 | $56344 | $20558 |
| Iowa, United States | $39469 | $48005 | $19674 |
| United States | $41994 | $50046 | $21587 |