Coralville, IA Profile: Facts, Map & Data


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Coralville, Iowa - Basic Facts

The City of Coralville had a population of 19,934 as of July 1, 2016. Coralville ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Coralville is located at latitude 41.6988 and longitude -91.5968 in Johnson County. The formal boundaries for the City of Coralville (see map below) encompass a land area of 12.18 sq. miles and a water area of 0.04 sq. miles. Johnson County is in the Central time zone (GMT -6). The elevation is 682 feet.

The City of Coralville (GNIS ID: 2393633) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Coralville is located within Township of Penn, a minor civil division (MCD) of Johnson County.

Beneath the boundary map are tables with Coralville population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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City of Coralville, IA Boundary Map

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Boundary Maps: Township of Penn | Johnson County | Iowa Counties

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Coralville, IA Data & Demographics (As of July 1, 2016)


Total Population 19,934
Population in Households 18,930
Population in Familes 13,225
Population in Group Qrtrs 1,004
Population Density1 1,637
Diversity Index2 48


Total Households 8,217
Average Household Size 2.3
Family Households 4,350
Average Family Size 3


Total Housing Units 8,852 (100%)
Owner Occupied HU 4,388 (49.6%)
Renter Occupied HU 3,829 (43.3%)
Vacant Housing Units 635 ( 7.2%)
Median Home Value $208,045
Average Home Value $252,206


Median Household Income $58,234
Average Household Income $81,159
Per Capita Income $34,836
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.85% 1.54%
Households 0.91% 1.58%
Families 0.45% 1.49%
Median Household Income   1.75%
Per Capita Income   1.78%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Coralville, IA - Peer Comparisons by Rank and Percentile

The table below compares Coralville to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 24 98th
Population Density1 # 65 94th
Diversity Index2 # 23 98th
Median Household Income # 267 74th
Per Capita Income # 87 91st

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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