Irwin, IA Profile: Facts, Map & Data

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Irwin, Iowa - Basic Facts

The City of Irwin is an incorporated place (Class Code P1) located in Shelby County at latitude 41.7902 and longitude -95.2068. Shelby County is in the Central time zone (GMT -6). The elevation is 1,280 feet.

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

The P1 Census Class Code for Irwin 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 Irwin (see map below) encompass a land area of 0.6 sq. miles and a water area of 0 sq. miles.

City of Irwin, IA Boundary Map


Also See: BIG Map | Driving Directions | IA Congressional Districts
Boundary Maps: Township of Jefferson | Shelby County | Iowa Counties

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

POPULATION

Total Population 321
Population in Households 321
Population in Familes 267
Population in Group Qrtrs 0
Population Density1 538
Diversity Index2 5
 

HOUSEHOLDS

Total Households 158
Average Household Size 2.03
Family Households 108
Average Family Size 2

HOUSING

Total Housing Units 185 (100%)
Owner Occupied HU 121 (65.4%)
Renter Occupied HU 37 (20.0%)
Vacant Housing Units 27 (14.6%)
Median Home Value $89,706
Average Home Value $109,016
 

INCOME

Median Household Income $46,855
Average Household Income $50,787
Per Capita Income $22,943
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2014 2014-2019
Population -1.41% -1.02%
Households -1.01% -0.77%
Families 2.56% -1.14%
Median Household Income   1.9%
Per Capita Income   2.29%
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.

Irwin, IA - Peer Comparisons by Rank and Percentile

The table below compares Irwin 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 # 578 43rd
Population Density1 # 614 39th
Diversity Index2 # 822 19th
Median Household Income # 733 27th
Per Capita Income # 779 23rd

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