Knoxville, IA Profile: Facts, Map & Data


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Knoxville, Iowa - Basic Facts

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The City of Knoxville had a population of 7,229 as of July 1, 2016. Knoxville ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Knoxville is located at latitude 41.3188 and longitude -93.1024 in Marion County. The formal boundaries for the City of Knoxville (see map below) encompass a land area of 4.63 sq. miles and a water area of 0 sq. miles. Marion County is in the Central time zone (GMT -6). The elevation is 909 feet.

The City of Knoxville (GNIS ID: 2395559) 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 Knoxville is located within Township of Knoxville, a minor civil division (MCD) of Marion County.

Beneath the boundary map are tables with Knoxville 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 Knoxville, IA Boundary Map

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Boundary Maps: Township of Knoxville | Marion County | Iowa Counties

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


Total Population 7,229
Population in Households 7,101
Population in Familes 5,610
Population in Group Qrtrs 128
Population Density1 1,562
Diversity Index2 13


Total Households 3,194
Average Household Size 2.22
Family Households 1,992
Average Family Size 3


Total Housing Units 3,605 (100%)
Owner Occupied HU 2,123 (58.9%)
Renter Occupied HU 1,071 (29.7%)
Vacant Housing Units 411 (11.4%)
Median Home Value $115,851
Average Home Value $129,418


Median Household Income $47,128
Average Household Income $56,991
Per Capita Income $24,598
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.18% 0.06%
Households 0.13% 0.2%
Families 0.55% 0.09%
Median Household Income   2.33%
Per Capita Income   1.92%
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.

Knoxville, IA - Peer Comparisons by Rank and Percentile

The table below compares Knoxville 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 # 54 95th
Population Density1 # 83 92nd
Diversity Index2 # 303 70th
Median Household Income # 703 30th
Per Capita Income # 714 29th

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

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