Knoxville, IA Profile: Facts & Data


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Knoxville, Iowa - Basic Facts

The City of Knoxville had a population of 7,344 as of July 1, 2018. 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.

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  1. Knoxville 2018 Demographic Data
  2. Growth Rates for Knoxville (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Knoxville, IA Data & Demographics (As of July 1, 2018)


Total Population 7,344
Population in Households 7,224
Population in Familes 5,646
Population in Group Qrtrs 120
Population Density2 1,587
Diversity Index3 13


Median Household Income $47,674
Average Household Income $57,459
Per Capita Income $24,436


Total Housing Units 3,594 (100%)
Owner Occupied HU 2,048 (57.0%)
Renter Occupied HU 1,153 (32.1%)
Vacant Housing Units 393 (10.9%)
Median Home Value $112,255
Average Home Value $129,077


Total Households 3,201
Average Household Size 2.26
Family Households 1,988
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.05% 0.18%
Households 0.12% 0.19%
Families 0.39% 0.08%
Median Household Income   1.96%
Per Capita Income   2.54%

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, 2018 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 # 55 95th
Population Density # 75 93rd
Diversity Index # 339 67th
Median Household Income # 803 21st
Per Capita Income # 874 13th

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

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