Coralville, IA Profile: Facts, Map & Data


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Coralville, Iowa - Basic Facts

The City of Coralville had a population of 20,600 as of July 1, 2017. 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, 2017.

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, 2017)


Total Population 20,600
Daytime Population: Workers 14,330
Daytime Population: Residents 8,416
Total Daytime Population (TDP) 22,746
Ratio TDP/Total Population1 1.10
Population in Households 19,612
Population in Familes 13,644
Population in Group Qrtrs 988
Population Density2 1,692
Diversity Index3 50


Median Household Income $57,883
Average Household Income $81,568
Per Capita Income $35,007


Total Housing Units 9,059 (100%)
Owner Occupied HU 4,534 (50.0%)
Renter Occupied HU 3,958 (43.7%)
Vacant Housing Units 567 ( 6.3%)
Median Home Value $214,197
Average Home Value $262,654


Total Households 8,492
Average Household Size 2.31
Family Households 4,472
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 1.19% 1.43%
Households 1.25% 1.45%
Families 0.77% 1.32%
Median Household Income   1.31%
Per Capita Income   2.13%

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, 2017 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 Density # 55 95th
Diversity Index # 21 98th
Median Household Income # 317 69th
Per Capita Income # 83 92nd

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

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