Keystone City, Iowa

Keystone City is a one of the Benton County, Iowa, located in Midwestern Region (West North Central) of United States. Keystone City had an official population of 687 in 2000. Its population in July 2008 was estimated to be about 668, It is the 385th most populous in the U.S. state of Iowa. The city encompasses an area of 0.37 sq mi (0.96 sq km), making it Iowa's 223rd smallest by total area.

As of the census of 2000, there were 687 residents, 273 households, and 175 families in the city. The population density was 1855.3 people per square mile (716.34/kmē), it is the 41st most densely populated city in the U.S. state of Iowa. There were 281 housing units at an average density of 759.5 per square mile (293.24/kmē). The average household size was 2.37 and the average family size was 3.05. In the Keystone City, 24.7% of the population was under the age of 18, 8.2% were 18 to 24, 23.6% were 25 to 44, 15.4% were 45 to 64, and 28.1% who were 65 or older. For every 100 females there were 87.2 males. For every 100 females age 18 and over, there were 82 males. The median age is 39.6 years, The median age of males and females living in Keystone City was 37.4 and 41.9 years respectively. The racial makeup of the city was 683 White, 1 Black or African American, American Indian, Asian, Native Hawaiian, 3 from two or more races and Ohter races.

Keystone city Iowa Population 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Population 2000-2008
Keystone city Iowa School Enrollment
School Enrollment 2000
Keystone City Iowa GDP
GDP 2000

The median income for a household in the city was $36458, making it the 343rd wealthiest city by median household income among the Iowa. The median income for a family in the city was $48750, it is 172nd wealthiest city by median family income in Iowa. The per capita income for the city was $18215, making it the 286th highest city by per capita income in Iowa. The median income was $19491, Males have a median income of $30375 versus $15250 for females.

In 2000, 200 pupils and students, of which 79 are male and 121 are female, 29.11% of the total population, are in the education system. Of which, total enrollment of student are in, 24 nursery or pri school, 15 kindergarten, 100 elementary school, 42 high school and 19 College graduate school.

YearPopulation
April 2000 census687
April 2000 Estimate687
July 2000 Estimate668
July 2001 Estimate669
July 2002 Estimate671
July 2003 Estimate669
July 2004 Estimate684
July 2005 Estimate685
July 2006 Estimate676
July 2007 Estimate670
July 2008 Estimate668
SchoolMaleFemaleTotal
Nursery school61824
Kindergarten9615
Elementary school4852100
High school162642
College or graduate school01919
PlaceMedian household incomeMedian family incomePer capita income
Keystone city, Iowa$36458$48750$18215
Benton County, Iowa$42427$49701$18891
Iowa, United States$39469$48005$19674
United States$41994$50046$21587