IrwinID
A town of 302, settled in 1897.
Is Irwin a good place to live?
Irwin’s average trip to work is 59 minutes, against 20 minutes in Idaho’s towns and 25 minutes across U.S. towns. No town among the 60 in Idaho we compare has a higher share of households owning their home than Irwin. Irwin has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
302 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Moving to Irwin: who provides what
Who provides power, water and the rest in Irwin, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
The data
Ordered by what stands out in Irwin.
Irwin stands out in Idaho and nationally, with the median age higher than most
Irwin’s median age is 57.8 years, above both Idaho’s towns (35.1 years) and U.S. towns (40.5 years). Irwin has grown 14% since 2020, to 302 residents in the Census Bureau’s 2025 estimate. People 65 and older are 35% of residents (17% statewide); adults 18 to 34 are 6% of residents (23% statewide).
| Irwin | Idaho towns | U.S. towns | |
|---|---|---|---|
| Median age | 57.8 years | 35.1 years | 40.5 years |
| Bachelor’s degree or more, 25+ | 27% | 25% | 29% |
Ages · share of residents
Education · adults 25 and older
Women and men · all residents
50% women, 50% men
That’s an even split within the survey’s margin of ±8.5 points. Across Idaho, 49.7% of residents are women.
| Irwin | ID | U.S. | |
|---|---|---|---|
| Under 10 | 0.4% | 12.5% | 11.6% |
| 10 to 17 | 11.4% | 11.6% | 10.3% |
| 18 to 24 | 3% | 9.8% | 9.1% |
| 25 to 34 | 3.4% | 13% | 13.7% |
| 35 to 44 | 7.2% | 13.1% | 13.2% |
| 45 to 54 | 17.4% | 11.3% | 12.2% |
| 55 to 64 | 22% | 11.7% | 12.7% |
| 65 to 74 | 24.2% | 10.4% | 10.2% |
| 75 and older | 11% | 6.6% | 7% |
| No diploma | 7% | 8.1% | 10.4% |
| High school | 37.8% | 26.1% | 26% |
| Some college | 14.4% | 24.2% | 19.1% |
| Associate’s | 13.9% | 9.7% | 8.8% |
| Bachelor’s | 15.9% | 21.3% | 21.6% |
| Graduate | 10.9% | 10.5% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 300, single groups can be off by several points
The schools Irwin’s kids attend
Its public schools are run by the Swan Valley Elementary District. Its one school is below.
| School | Level | Students | Letter |
|---|---|---|---|
| Swan Valley Elementary SchoolLargest public elementary schoolGrades PK–8 | Grades PK–8 | 55 | A |
NCES · EDFacts
High risk in Irwin, with avalanches at the top
Expected storm and flood damage is higher than in 78% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Irwin has four seasons and pleasant summers
Irwin has cold winters and pleasant summers, with very little rain. The July high in Irwin is 83°F.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
About half of Irwin’s working residents commute to Idaho Falls
Most working residents leave Irwin for work: only 0% work in town. Since 2013, Irwin has added 27 jobs, to 82 in 2023. The top destinations are Idaho Falls (45%), Ammon (8%) and Rexburg (7%).
| Irwin | Idaho towns | U.S. towns | |
|---|---|---|---|
| Median household income | $68,000 | $67,000 | $80,000 |
| Below the poverty line | 11% | 12% | 9.6% |
Where working residents work
Census LEHD 2023 · ACS
A typical Irwin home is worth about $417K
The typical Irwin home is worth about $417,000, up 2.3% in a year, 13% below the Idaho typical home.
Typical home value
Zillow Home Value Index · Redfin Data Center
Fewer of Irwin’s adults report frequent mental distress than in the typical Idaho or U.S. town
13% of Irwin adults report frequent mental distress. Only 2 of the 60 Idaho towns we compare have a lower share of adults who feel lonely than Irwin. 16% of Irwin adults say their health is fair or poor.
| Irwin | Idaho towns | U.S. towns | |
|---|---|---|---|
| Feel lonely (CDC PLACES) | 25% | 30% | 33% |
| Frequent mental distress (CDC PLACES) | 13% | 17% | 17% |
| Binge drink (CDC PLACES) | 12% | 15% | 16% |
| Yearly checkup (CDC PLACES) | 81% | 73% | 79% |
| What stands out | Irwin | ID |
|---|---|---|
| Fewer older adults who have lost all their teeth | 7.8% | 16.2% |
| Fewer uninsured adults | 5.9% | 10.7% |
| More adults who have had cancer | 11.7% | 8.3% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Everything we know about Irwin
Colleges nearby
None within 15 miles of Irwin; the nearest are
About 3 of every 100 Irwin residents are enrolled in college, against 6 across Idaho.
About Irwin
City in Idaho, United States
Irwin is a city in Bonneville County, Idaho, United States. It is part of the Idaho Falls, Idaho Metropolitan Statistical Area. The population was 259 at the 2020 census, and 219 at the 2010 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 2.5 sq mi
- Elevation
- 5,325 ft
- ZIP code
- 83428
- Area code
- 208
Questions about Irwin
Short answers, built from the data on this page.
Is Irwin, ID a good place to live?
Irwin has fewer than 1,000 residents, too few for fair grades; the figures below are still real.