Plainfield City, Iowa
According to 2000 Census Bureau, there were 438 people, 194 households, and 124 families residing in the city. The population density was 1347.4 people per square mile (520.23/kmē), making its Iowa's 172nd most densely populated city. There were 202 housing units at an average density of 612.1 per square mile (236.33/kmē). The average household size was 2.26 people, and the average family size was 2.85 people. In the city the population was spread out, with 24.9% under the age of 18, 9.4% from 18 to 24, 25.6% from 25 to 44, 23.1% from 45 to 64, and 17.1% who were 65 or older. For every 100 females there were 100.9 males. For every 100 females age 18 and over, there were 91.3 males. The median age was 37 years, the median age of male residents at 34 and the median age of female residents at 39.3. The racial or ethnic makeup of the city was 99.54% White, 0% Black or African American, 0.23% American Indian, 0% Asian, 0% Native Hawaiian, 0.23% from two or more races and 0% Other races.
The median income for a household in the city was $39688, it is Iowa's 209th wealthiest city by median household income. The median income for a family in the city was $48750, it is the 169th highest city by median family income in the U.S. state of Iowa. The per capita income for the city was $18156, making its Iowa's 294th highest city by per capita income. The median income is $24821, The median income for males was $27039 versus $17708 for females.
In 2000, 104 pupils and students, of which 58 are male and 46 are female, 23.74% of the total population, are in the education system. Of which, total enrollment of student are in, 8 nursery or pri school, 12 kindergarten, 43 elementary school, 22 high school and 19 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 438 |
| April 2000 Estimate | 438 |
| July 2000 Estimate | 436 |
| July 2001 Estimate | 435 |
| July 2002 Estimate | 424 |
| July 2003 Estimate | 423 |
| July 2004 Estimate | 415 |
| July 2005 Estimate | 429 |
| July 2006 Estimate | 427 |
| July 2007 Estimate | 430 |
| July 2008 Estimate | 427 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 4 | 4 | 8 |
| Kindergarten | 6 | 6 | 12 |
| Elementary school | 24 | 19 | 43 |
| High school | 10 | 12 | 22 |
| College or graduate school | 14 | 5 | 19 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Plainfield city, Iowa | $39688 | $48750 | $18156 |
| Bremer County, Iowa | $40826 | $50299 | $19199 |
| Iowa, United States | $39469 | $48005 | $19674 |
| United States | $41994 | $50046 | $21587 |