Martinsburg City, Iowa
According to 2000 Census Bureau, there were 126 residents, 51 households, and 39 families in the city. The population density was 333.4 people per square mile (128.73/kmē), making it the 178th least densely populated city in Iowa. There were 60 housing units at an average density of 157.9 per square mile (60.97/kmē). The average household size was 2.47 people, and the average family size was 2.82 people. In the city Age distribution was 23.8% under the age of 18, 8.7% from 18 to 24, 23% from 25 to 44, 24.6% from 45 to 64, and 19.8% who were 65 or older. For every 100 males there were 106.6 females. For every 100 males age 18 and over, there were 113.3 females. The median age was 42.3 years, The median age of males was 37.5 years, for females the median age was 43.5 years. The racial makeup of the city was 123 White, Black or African American, 3 American Indian, Asian, Native Hawaiian, from two or more races and Ohter races.
The median income for a household in the city was $35625, it is the 398th wealthiest city in terms of median household income. The median income for a family in the city was $41250, it is Iowa's 514th wealthiest city by median family income. The per capita income for the city was $17807, it is the 338th highest city by per capita income in the U.S. state of Iowa. The median income was $17750, The median income for males was $31250, compared to $8750 for females.
In 2000, 17 pupils and students, of which 12 are male and 5 are female, 13.49% of the total population, are in the education system. Of which, total enrollment of student are in, 0 nursery or pri school, 0 kindergarten, 10 elementary school, 0 high school and 7 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 126 |
| April 2000 Estimate | 126 |
| July 2000 Estimate | 126 |
| July 2001 Estimate | 125 |
| July 2002 Estimate | 125 |
| July 2003 Estimate | 123 |
| July 2004 Estimate | 120 |
| July 2005 Estimate | 118 |
| July 2006 Estimate | 118 |
| July 2007 Estimate | 118 |
| July 2008 Estimate | 117 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 0 | ||
| Kindergarten | 0 | ||
| Elementary school | 5 | 5 | 10 |
| High school | 0 | ||
| College or graduate school | 7 | 0 | 7 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Martinsburg city, Iowa | $35625 | $41250 | $17807 |
| Keokuk County, Iowa | $34025 | $41818 | $17120 |
| Iowa, United States | $39469 | $48005 | $19674 |
| United States | $41994 | $50046 | $21587 |