Iowa City, IA Profile: Facts, Map & Data


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Iowa City, Iowa - Basic Facts

The City of Iowa City is the 5th largest city in Iowa with a population of 75,223 as of July 1, 2017. Iowa City 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 Iowa City is located at latitude 41.656 and longitude -91.5306 in Johnson County. The formal boundaries for the City of Iowa City (see map below) encompass a land area of 25.72 sq. miles and a water area of 0.27 sq. miles. Johnson County is in the Central time zone (GMT -6). The elevation is 666 feet.

The City of Iowa City (GNIS ID: 468086) has a C2 Census Class Code which indicates an active incorporated place legally coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

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

Beneath the boundary map are tables with Iowa City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Iowa City, IA Boundary Map

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Iowa City, IA Data & Demographics (As of July 1, 2017)


Total Population 75,223
Daytime Population: Workers 62,375
Daytime Population: Residents 36,957
Total Daytime Population (TDP) 99,332
Ratio TDP/Total Population1 1.32
Population in Households 68,531
Population in Familes 37,070
Population in Group Qrtrs 6,692
Population Density2 2,925
Diversity Index3 46


Median Household Income $46,793
Average Household Income $68,508
Per Capita Income $28,650


Total Housing Units 32,280 (100%)
Owner Occupied HU 14,292 (44.3%)
Renter Occupied HU 16,453 (51.0%)
Vacant Housing Units 1,535 ( 4.8%)
Median Home Value $197,569
Average Home Value $233,375


Total Households 30,745
Average Household Size 2.23
Family Households 12,872
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 1.43% 1.34%
Households 1.47% 1.43%
Families 1.28% 1.2%
Median Household Income   1.98%
Per Capita Income   2.25%

Iowa City, IA - Peer Comparisons by Rank and Percentile

The table below compares Iowa City 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 # 5 100th
Population Density # 4 100th
Diversity Index # 26 98th
Median Household Income # 791 22nd
Per Capita Income # 392 61st

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

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