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Coralville, Iowa

  •   State: 
    Johnson County
      County FIPS: 
    41°41′18″N 91°35′12″W
      Area total: 
    12.67 sq mi (32.82 km²)
      Area land: 
    12.60 sq mi (32.64 km²)
      Area water: 
    0.07 sq mi (0.18 km²)
    682 ft (208 m)
    1873; Incorporated 1873
  •   Latitude: 
      Dman name cbsa: 
    Iowa City, IA
    Eastern Standard Time (EST) UTC-5:00; Eastern Daylight Time (EDT) UTC-4:00
      ZIP codes: 

    Coralville, Johnson County, Iowa, United States

  •   Population: 
      Population density: 
    1,771.13 residents per square mile of area (683.83/km²)
      Household income: 
      Unemployment rate: 
  •   Sales taxes: 
      Income taxes: 

Coralville is a city in Johnson County, Iowa, United States. It is a suburb of Iowa City and part of the Iowa City Metropolitan Statistical Area. The city's name is derived from the fossils that are found in the limestone along the Iowa River. Coralville is also the location where some 1300 Mormon immigrants stopped to make camp in their migration of 1856 after having traveled west by rail. The Edgewater Park Site, a 3,800-year-old archaeological site along theIowa River, is the oldest site in Iowa with evidence of domesticated plant use. The first mill at Coralville was built in 1844, and in the years that followed, a number of watermills were powered by the Coralville mill dam. In 1958, the United States Army Corps of Engineers completed Coralville Dam, four miles (6 km) north of the city, creating Coralville Lake. Except for the Great Flood of 1993 and the Great Iowa flood of 2008, the dam has helped prevent serious flooding in the city. On July 29, 1998, Coralville's Ridge Mall opened, then the largest shopping center in the state with more than 100 stores. Around that time, the "city center" area was created along the U.S. Route 6th Avenue with its intersection with its "strip" near 12th Avenue. In 2006, a 5100-seat arena, Xtream, opened in the Iowa Landing neighborhood of Coralville. In the 2020 census, the city's population was 22,318.


Coralville is the primary city name, but also Iowa City, Oakdale are acceptable city names or spellings. The official name is Coralville, Iowa. Coralville was incorporated as a city on June 1, 1857. The city's name is derived from the fossils that are found in the limestone along the Iowa River. Coralville is the location of the Edgewater Park Site, a 3,800-year-old archaeological site. The Coral Ridge Mall opened on July 29, 1998, with more than 100 stores, then the largest shopping center in the state. It is home to the Iowa Heartlanders professional hockey team, proud affiliates of the Minnesota Wild and the Iowa Wild Wild L.A. Xtream Arena, a 5,100-seat venue, will open in 2020 in the city's Iowa River's Landing neighborhood. The First Methodist Church was built in 1963 to the designs by architect Thomas Patrick Reilly of Crites & McConnell, 860 17th Street S.E, of Cedar Rapids, Iowa. The U.S. Army Corps of Engineers completed Coralville Dam in 1958, four miles (6 km) north of the city, creating Coralville Lake. Except for the Great Flood of 1993 and the Great Iowa flood of 2008, the dam has helped prevent serious flooding in Coralville. In the mid-1960s, the independent school district of Coralville was annexed by the Iowa City Community School District. By 1970 Coralville's population had jumped to 6,130. The construction of Interstate 80 in the 1960s brought several motels, fast-food restaurants, and gas stations to Coralville, and the city had almost fully recovered within two years. A historical marker commemorating the Mormon Handcart Brigade was erected in 1936.


Coralville is located in Johnson County at 41°4118N 91°3512W (41.688215, -91.586764) The Iowa River runs along the east edge of Coralville and forms part of the boundary with Iowa City. Interstate 80 runs eastwest through Coralville, and most of the city's newer housing subdivisions are located north of I-80. According to the United States Census Bureau, the city has a total area of 12.05 square miles (31.21 km²) of which 12.01 square miles is land and 0.04 sq miles (0.10km²) is water. The city is home to the University of Iowa's Coralville College of Pharmacy. Coralville is also home to Iowa State University's College of Nursing. The university's campus is located on the Iowa River, which runs through the city. The University's Medical Center is also located in Coralville. The Coralville School District was founded in the early 1900s. The school district is one of the oldest in the state. It was founded by the Iowa State Normal School District in 1883. The district was the first in Iowa to graduate from high school with a bachelor's degree. It is also the first to graduate with a master's degree in the same year. The state's oldest high school, Coralville High School, was established in 1881. The high school was the only one in Iowa that graduated with a Bachelor of Arts degree.


As of the census of 2010, there were 18,907 people, 7,763 households, and 4,229 families residing in the city. There were 8,310 housing units at an average density of 691.9 per square mile (267.1/km²) The racial makeup of the city was 79.4% White, 7.9% African American, 0.3% Native American, 7%.8% Asian,0.1% Pacific Islander, 2.0% from other races, and 2.6% from two or more races. Hispanic or Latino of any race were 5.1%. The city's median income was $38,080, and the median income for a family was $57,869. The per capita income for the city is $23,283. About 9.5% of the population are under the age of 18 and 3.2% of those under age 65 are living below the poverty line. The city has a population density of 1,574.3 inhabitants per squaremile (607.8/km 2) The city had a population of 15,123 people, 6,467 households and 3,317 families in the 2000 census. The average household size was 2.29 and the average family size was 3.01. The median age in theCity was 31.6 years. The City's median age was 30 years. For every 100 females, there are 104.2 males. For each 100 females age 18 and over, there is 105.6 males.

Air Quality, Water Quality, Superfund Sites & UV Index

The Air Quality index is in Coralville, Johnson County, Iowa = 22.3. These Air Quality index is based on annual reports from the EPA. Higher values are better (100=best). The number of ozone alert days is used as an indicator of air quality, as are the amounts of seven pollutants including particulates, carbon monoxide, sulfur dioxide, lead, and volatile organic chemicals. The Water Quality Index is 72. A measure of the quality of an area’s water supply as rated by the EPA. Higher values are better (100=best). The EPA has a complex method of measuring the watershed quality, using 15 indicators such as pollutants, turbidity, sediments, and toxic discharges. The Superfund Sites Index is 98. Higher is better (100=best). Based upon the number and impact of EPA Superfund pollution sites in the county, including spending on the cleanup efforts. The UV Index in Coralville = 4 and is a measure of an area's exposure to the sun's ultraviolet rays. This is most often a combination of sunny weather, altitude, and latitude. The UV Index has been defined by the WHO ( and is uniform worldwide.


The most recent city population of 4,915 individuals with a median age of 33.5 age the population grows by 24.07% in Coralville, Johnson County, Iowa population since 2000 and are distributed over a density of 1,771.13 residents per square mile of area (683.83/km²). There are average 2.26 people per household in the 7,928 households with an average household income of $48,596 a year. The unemployment rate in Alabama is 3.90% of the available work force and has growths 1.53% over the most recent 12-month period and the projected change in job supply over the next decade based on migration patterns, economic growth, and other factors will increase by 39.16%. The number of physicians in Coralville per 100,000 population = 708.7.


The annual rainfall in Coralville = 33.4 inches and the annual snowfall = 28.2 inches. The annual number of days with measurable precipitation (over .01 inch) = 105. The average number of days per year that are predominantly sunny = 198. 84 degrees Fahrenheit is the average daily high temperature for the month of July and 9.8 degrees Fahrenheit is the average daily low temperature for the month of January. The Comfort Index (higher=better) is 38, where higher values mean a more pleasant climate. The Comfort Index measure recognizes that humidity by itself isn't the problem. (Have you noticed nobody ever complains about the weather being 'cold and humid?) It's in the summertime that we notice the humidity the most, when it's hot and muggy. Our Comfort Index uses a combination of afternoon summer temperature and humidity to closely predict the effect that the humidity will have on people.

Median Home Cost

The percentage of housing units in Coralville, Johnson County, Iowa which are owned by the occupant = 50.52%. A housing unit is a house, apartment, mobile home, or room occupied as separate living quarters. The average age of homes = 20 years with median home cost = $154,240 and home appreciation of -16.60%. This is the value of the years most recent home sales data. Its important to note that this is not the average (or arithmetic mean). The median home price is the middle value when you arrange all the sales prices of homes from lowest to highest. This is a better indicator than the average, because the median is not changed as much by a few unusually high or low values. The property tax rate of $12.85 shown here is the rate per $1,000 of home value. If for simplification for example the tax rate is $14.00 and the home value is $250,000, the property tax would be $14.00 x ($250,000/1000), or $3500. This is the 'effective' tax rate.


The local school district spends $4,580 per student. There are 14 students for each teacher in the school, 583 students for each Librarian and 422 students for each Counselor. 7.52% of the area’s population over the age of 25 with an Associate Degree or other 2-year college degree, 30.42% with a master’s degree, Ph.D. or other advanced college degree and 22.29% with high school diplomas or high school equivalency degrees (GEDs).

  • Coralville's population in Johnson County, Iowa of 3,823 residents in 1900 has increased 1,29-fold to 4,915 residents after 120 years, according to the official 2020 census.

    Approximately 49.14% female residents and 50.86% male residents live in Coralville, Johnson County, Iowa.

    As of 2020 in Coralville, Johnson County, Iowa are married and the remaining 49.30% are single population.

  • 20 minutes is the average time that residents in Coralville require for a one-way commute to work. A long commute can have different effects on health. A Gallup poll in the US found that in terms of mental health, long haul commuters are up to 12 percent more likely to experience worry, and ten percent less likely to feel well rested. The Gallup poll also found that of people who commute 61­–90 minutes each day, a whopping one third complained of neck and back pain, compared to less than a quarter of people who only spend ten minutes getting to work.

    75.09% of the working population which commute to work alone in their car, 13.85% of the working population which commutes to work in a carpool, 5.32% of the population that commutes using mass transit, including bus, light rail, subway, and ferry. 2.71% of the population that has their home as their principal place of work.

  • Of the total residential buildings in Coralville, Johnson County, Iowa, 50.52% are owner-occupied homes, another 43.26% are rented apartments, and the remaining 6.22% are vacant.

  • The 35.60% of the population in Coralville, Johnson County, Iowa who identify themselves as belonging to a religion are distributed among the following most diverse religions.

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