Irwin city, Idaho Demographics & Population 2026

Population Overview

Irwin city is a small community located in Idaho. The total population is 253. It ranks as the 185th most populous out of 234 cities and towns in Idaho.

Age Demographics

The median age in Irwin city is 57.4 years. This is 55% higher than the state median of 37.1 years. Only 11.5% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Irwin city is $69,792. This is 6% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 11% lower. The poverty rate stands at 9.9%. This is 7% lower than the state poverty rate of 10.6%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.7%. The median home value is $346,000. Housing costs are 8% lower than the state median of $376,000. The home-value-to-income ratio is 5.0x. 92.5% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 72.4%.

Race & Ethnicity

The largest racial or ethnic group in Irwin city is White (non-Hispanic), making up 83.8% of the population. Hispanic or Latino residents account for 9.9%.

Education

28.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 10% lower than the state rate of 31.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.1%.

Data Sources & Methodology

All demographic data for Irwin city, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 234 Census-designated places in Idaho. For official data, visit data.census.gov.