Johnston City, Iowa


Johnston City, Iowa is a city of the Polk County, Iowa, United States. In 2000, city's population was 8649 inhabitants. Its population was estimated at 15691 in July 2008, It is the 41st largest by population in the U.S. state of Iowa. The city has a total area of 15.49 square miles (40.12 square kilometre), of which, 14.35 square miles (37.17 square kilometre) of it is land and 1.14 square miles (2.95 square kilometre) of it is water, it is the 20th largest by area in the U.S. state of Iowa. It is ranks 12 in the size of its inland waterways in Iowa.

As of the census of 2000, there were 8649 residents, 3216 households, and 2318 families in the city. The population density was 602.8 people per square mile (232.74/kmē), it is 596th most densely populated city in Iowa. There were 3406 housing units at an average density of 237.4 per square mile (91.66/kmē). The average household size was 2.61 people, and the average family size was 3.13 people. In the city Age distribution was 29.7% under the age of 18, 5.2% from 18 to 24, 31.6% from 25 to 44, 22.6% from 45 to 64, and 10.9% who were 65 or older. For every 100 males there were 103.6 females. For every 100 males age 18 and over, there were 112.7 females. The median age of the city's population was 36.3 years, The median age of males was 34.7 years, for females the median age was 37.7 years. The racial makeup of the city was 8320 White, 50 Black or African American, 9 American Indian, 173 Asian, Native Hawaiian, 55 from two or more races and 42 Ohter races.

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

The median income for a household in the city was $76094, it is second wealthiest city by median household income in Iowa. The median income for a family in the city was $97322, it would be the highest city by median family income in the U.S. state of Iowa. The per capita income for the city was $36407, it is third wealthiest city by per capita income in Iowa. The median income is $37218, Males have a median income of $51650 versus $29217 for females.

In 2000, 2410 pupils and students, of which 1262 are male and 1148 are female, 27.86% of the total population, are in the education system. Of which, total enrollment of student are in, 235 nursery or pri school, 94 kindergarten, 1185 elementary school, 616 high school and 280 College graduate school.

YearPopulation
April 2000 census8649
April 2000 Estimate8749
July 2000 Estimate8878
July 2001 Estimate9401
July 2002 Estimate10243
July 2003 Estimate11256
July 2004 Estimate12618
July 2005 Estimate13632
July 2006 Estimate14513
July 2007 Estimate15387
July 2008 Estimate15691
SchoolMaleFemaleTotal
Nursery school133102235
Kindergarten633194
Elementary school6135721185
High school343273616
College or graduate school110170280
PlaceMedian household incomeMedian family incomePer capita income
Johnston city, Iowa$76094$97322$36407
Polk County, Iowa$46116$56560$23654
Iowa, United States$39469$48005$19674
United States$41994$50046$21587