Allison, IA Profile: Facts, Map & Data


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Allison, Iowa - Basic Facts

The City of Allison is an incorporated place (Class Code P1) located in Butler County at latitude 42.7517 and longitude -92.7958. Butler County is in the Central time zone (GMT -6). The elevation is 1,053 feet.

The formal official name is the City of Allison, but most people and references simply refer to it as Allison, Iowa.

The P1 Census Class Code for Allison indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the City of Allison (see map below) encompass a land area of 2.93 sq. miles and a water area of 0 sq. miles.

City of Allison, IA Boundary Map


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Boundary Maps: Township of West Point | Butler County | Iowa Counties

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Allison, IA Data & Demographics (As of July 1, 2014)


Total Population 1,164
Population in Households 1,132
Population in Familes 920
Population in Group Qrtrs 32
Population Density1 397
Diversity Index2 3


Total Households 505
Average Household Size 2.24
Family Households 335
Average Family Size 3


Total Housing Units 546 (100%)
Owner Occupied HU 400 (73.3%)
Renter Occupied HU 105 (19.2%)
Vacant Housing Units 41 ( 7.5%)
Median Home Value $85,143
Average Home Value $112,438


Median Household Income $50,960
Average Household Income $65,309
Per Capita Income $28,253
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 2.94% 2.41%
Households 3.3% 2.59%
Families 4.57% 2.39%
Median Household Income   4.58%
Per Capita Income   3.65%
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.


Allison, IA - Peer Comparisons by Rank and Percentile

The table below compares Allison to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2014 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 # 251 75th
Population Density1 # 709 30th
Diversity Index2 # 928 7th
Median Household Income # 599 41st
Per Capita Income # 262 74th

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