Also See: Irwin, IA ZIP Codes & ZIP Code Maps | Local Area Photos
The City of Irwin had a population of 325 as of July 1, 2020. 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 41.7917 and longitude -95.2058 in Shelby County. The formal boundaries for the City of Irwin 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.
POPULATION | |
|---|---|
| Total Population | 325 (100%) |
| Population in Households | 325 (100.0%) |
| Population in Families | 268 (82.5%) |
| Population in Group Quarters1 | 0 |
| Population Density | 545 |
| Diversity Index2 | 7 |
INCOME | |
| Median Household Income | $50,000 |
| Average Household Income | $73,865 |
| % of Income for Mortgage4 | 9% |
| Per Capita Income | $32,958 |
| Wealth Index5 | 84 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 182 (100%) |
| Owner Occupied HU | 127 (69.8%) |
| Renter Occupied HU | 33 (18.1%) |
| Vacant Housing Units | 22 (12.1%) |
| Median Home Value | $105,833 |
| Average Home Value | $122,047 |
| Housing Affordability Index3 | 275 |
HOUSEHOLDS | |
| Total Households | 160 |
| Average Household Size | 2.03 |
| Family Households | 108 |
| Average Family Size | 2 |
GROWTH RATE / YEAR | 2010-2020 | 2020-2025 |
|---|---|---|
| Population | -0.47% | -0.56% |
| Households | -0.3% | -0.51% |
| Families | 1.05% | -0.56% |
| Median Household Income | 2.79% | |
| Per Capita Income | 2.93% | |
| Owner Occupied HU | -0.32% |
The table below compares Irwin to the other 1,008 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2020 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 | # 576 | 43rd |
| Population Density | # 605 | 40th |
| Median Household Income | # 839 | 17th |
| Housing Affordability Index | # 641 | 64th |
| Per Capita Income | # 336 | 67th |
| Diversity Index | # 761 | 25th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.
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