Irwin is a small city located in Bonneville County within the state of Idaho in the United States. It sits geographically as part of the Idaho Falls Metropolitan Statistical Area, placing it within a defined regional economic and administrative zone. The city occupies a specific coordinate location at 43.3883 degrees north latitude and 111.2514 degrees west longitude. As an incorporated municipality, it functions as a local government entity responsible for its own civic administration and community services.

The provided source material does not contain information regarding the founding date, historical origins, or specific developments that shaped Irwin's establishment. There is no mention of heritage status, historic landmarks, or significant events in its past within the available records. Consequently, the historical narrative of the city remains undocumented in this context, leaving its early development and evolution unrecorded in the current dataset.

Geographically, the city comprises a total area of 2.45 square miles, which is entirely land according to the United States Census Bureau. There are no specific districts, architectural styles, or notable sites described in the source material that define the physical character of Irwin beyond its municipal boundaries. The urban landscape is characterized solely by its residential and housing units, without mention of commercial centers, parks, or cultural institutions.

The available data focuses on demographic statistics rather than cultural traditions, festivals, or visitor attractions. There is no information regarding local food, museums, or events that draw people to the city. The source material does not describe any unique cultural appeal or tourism infrastructure, indicating that the city's identity is primarily defined by its residential population and household structures rather than external visitor engagement.

The population of Irwin was 259 as of the 2020 census, having decreased from 219 in the 2010 census. The city has a median age of 52.4 years, with a racial makeup that is predominantly White at 99.1 percent. The economy is reflected in household data, though specific income figures are only provided for the year 2000, showing a median household income of $31,250. Transportation and climate details are not included in the source material.