Irwin, IA Profile: Facts, Map & Data

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Irwin, Iowa - Basic Facts

The City of Irwin had a population of 324 as of July 1, 2015. Irwin ranks in the lower quartile for 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 Irwin is located at latitude 41.7902 and longitude -95.2068 in Shelby County. 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. Shelby County is in the Central time zone (GMT -6). The elevation is 1,280 feet.

The City of Irwin 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.

Beneath the boundary map are tables with Irwin population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

City of Irwin, IA Boundary Map

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Boundary Maps: Township of Jefferson | Shelby County | Iowa Counties

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Irwin, IA Data & Demographics (As of July 1, 2015)

POPULATION

Total Population 324
Population in Households 324
Population in Familes 268
Population in Group Qrtrs 0
Population Density1 543
Diversity Index2 5
 

HOUSEHOLDS

Total Households 160
Average Household Size 2.03
Family Households 109
Average Family Size 2

HOUSING

Total Housing Units 185 (100%)
Owner Occupied HU 122 (65.9%)
Renter Occupied HU 38 (20.5%)
Vacant Housing Units 25 (13.5%)
Median Home Value $81,818
Average Home Value $97,379
 

INCOME

Median Household Income $47,504
Average Household Income $52,431
Per Capita Income $23,615
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2015 2015-2020
Population -0.97% -0.63%
Households -0.58% -0.38%
Families 2.25% -0.56%
Median Household Income   1.97%
Per Capita Income   2.63%
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.

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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, 2015 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 # 577 43rd
Population Density1 # 612 39th
Diversity Index2 # 820 19th
Median Household Income # 692 32nd
Per Capita Income # 763 24th

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