Polk City City, Iowa
According to 2000 Census Bureau, there were 2344 people, 826 households, and 646 families residing in the city. The population density was 862.4 people per square mile (332.97/kmē), it is the 410th most densely populated city in the U.S. state of Iowa. There were 842 housing units at an average density of 309.6 per square mile (119.54/kmē). It has an average household size was 2.76 persons, and the average family size was 3.15 persons. In the city the population is diverse age-wise, with 28.5% under the age of 18, 6.4% from 18 to 24, 33.8% from 25 to 44, 22.8% from 45 to 64, and 8.5% who were 65 or older. For every 100 females there were 99 males. For every 100 females age 18 and over, there were 97.3 males. The median age is 34.1 years, The median age of males and females living in Polk City City was 33.4 and 34.7 years respectively. The racial makeup of the city was 98.08% White, 0.3% Black or African American, 0.26% American Indian, 0.3% Asian, 0% Native Hawaiian, 0.73% from two or more races and 0.34% Other races.
The median income for a household in the city was $58000, it is Iowa's 19th wealthiest city by median household income. The median income for a family in the city was $64688, it is 24th wealthiest city by median family income in Iowa. The per capita income for the city was $23476, making its Iowa's 41st highest city by per capita income. The median income of city was $29446, Median income for males is $38109, compared with $24143 for females.
In 2000, 624 pupils and students, of which 46.96% are male and 53.04% are female, 26.62% of the total population, are in the education system. Of which, percentage of enrollment student are in, 7.85% nursery or pri school, 6.57% kindergarten, 43.43% elementary school, 24.04% high school and 18.11% College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 2344 |
| April 2000 Estimate | 2349 |
| July 2000 Estimate | 2348 |
| July 2001 Estimate | 2357 |
| July 2002 Estimate | 2399 |
| July 2003 Estimate | 2616 |
| July 2004 Estimate | 2811 |
| July 2005 Estimate | 2859 |
| July 2006 Estimate | 2990 |
| July 2007 Estimate | 3107 |
| July 2008 Estimate | 3201 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 20 | 29 | 49 |
| Kindergarten | 18 | 23 | 41 |
| Elementary school | 131 | 140 | 271 |
| High school | 74 | 76 | 150 |
| College or graduate school | 50 | 63 | 113 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Polk City city, Iowa | $58000 | $64688 | $23476 |
| Polk County, Iowa | $46116 | $56560 | $23654 |
| Iowa, United States | $39469 | $48005 | $19674 |
| United States | $41994 | $50046 | $21587 |