ZIP code 83428: Irwin, ID
83428 is a ZIP code in Irwin, Idaho, mainly in Bonneville County, part of the Idaho Falls, ID metro area. About 576 people live here.
- Population
- 576
- Median household income
- $68,750
- Typical home value
- $401,900+1.6% in 12 months
- Median rent
- —gross, per month
- Median age
- 56.2
- Homeowners
- 97.5%of occupied homes
Shaded: ZIP code 83428's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 83428 details
| City | Irwin |
|---|---|
| State | Idaho |
| County | Bonneville County |
| Metro area | Idaho Falls, ID |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 249 sq mi, plus 23.9 sq mi of water |
| Population density | 2 people per sq mi |
| Bachelor's degree or higher | 31.7% of adults 25+ |
| Average commute | 41.7 minutes |
| Center coordinates | 43.39267, -111.12005 |
ZIP codes near 83428
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 83014 | Wilson, WY | 8.6 mi | 3,098 |
| 83449 | Swan Valley, ID | 12.1 mi | 273 |
| 83455 | Victor, ID | 14.7 mi | 6,173 |
| 83002 | Jackson, WY | 18.9 mi | — |
| 83025 | Teton Village, WY | 19.5 mi | 799 |
| 83120 | Freedom, WY | 19.6 mi | 232 |
| 83422 | Driggs, ID | 22.4 mi | 3,847 |
| 83443 | Ririe, ID | 23.4 mi | 1,364 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 83428?
A typical home in ZIP code 83428 is worth about $401,900 (Zillow Home Value Index). The median household here earns $68,750 a year. See what buying here would cost per month, with Idaho average taxes and insurance filled in.
Monthly payment for a $401,900 homeWhat can a $68,750 income afford?Rental property numbers
About ZIP code 83428
What city is ZIP code 83428?
ZIP code 83428 is in Irwin, ID, in Bonneville County.
What county is ZIP code 83428 in?
83428 is mainly in Bonneville County, Idaho.
What is the population of ZIP code 83428?
About 576 people live in ZIP code 83428, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 83428 in?
83428 is in Mountain Time (UTC−7). It observes daylight saving time.