Irwin, IA Profile: Facts, Map & Data

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Irwin, Iowa - Basic Facts

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The City of Irwin had a population of 328 as of July 1, 2017. 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 (GNIS ID: 2395441) 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 Irwin is located within Township of Jefferson, a minor civil division (MCD) of Shelby County.

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, 2017.


Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.

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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, 2017)

POPULATION

Total Population 328
Daytime Population: Workers 144
Daytime Population: Residents 152
Total Daytime Population (TDP) 296
Ratio TDP/Total Population1 0.90
Population in Households 328
Population in Familes 272
Population in Group Qrtrs 0
Population Density2 550
Diversity Index3 5
 

INCOME

Median Household Income $44,513
Average Household Income $55,100
Per Capita Income $24,668

HOUSING

Total Housing Units 185 (100%)
Owner Occupied HU 123 (66.5%)
Renter Occupied HU 37 (20.0%)
Vacant Housing Units 24 (13.0%)
Median Home Value $97,321
Average Home Value $148,400
 

HOUSEHOLDS

Total Households 161
Average Household Size 2.04
Family Households 109
Average Family Size 3
NOTES
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.

GROWTH RATE / YEAR

2010-2017 2017-2022
Population -0.53% -0.37%
Households -0.34% -0.38%
Families 1.62% -0.37%
Median Household Income   3.76%
Per Capita Income   3.41%

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, 2017 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 # 575 43rd
Population Density # 604 40th
Diversity Index # 826 19th
Median Household Income # 859 15th
Per Capita Income # 763 24th

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

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