83420 — Island Park, ID Home Values
Typical home value $461,113 as of June 2026 · 3rd of 8 in Rexburg, ID
Blue: typical home value (Zillow ZHVI) in ZIP code 83420, June 2021 to June 2026. This page shows observed data only; no forecast.
How 83420 compares in the Rexburg, ID area
ZIP code 83420 (Island Park, ID) has a typical home value of $461,113 as of June 2026, ranking 3rd of 8 ZIP codes tracked in the Rexburg, ID area, more expensive than about 75% of ZIP codes in the metro. Prices here have moved +8.7% over the trailing 12 months. Over the past five years, the typical value in this ZIP code has changed +26.8%, from $363,598 in June 2021 to $461,113 in June 2026.
Every figure above is observed Zillow data. Sialim's forecasting engine works at the metro level; see the Rexburg, ID forecast for a modeled outlook, or browse the full ranked list of ZIP codes in Rexburg.
Population and demographics
ZIP code 83420 has a population of 2,611, per the Census Bureau's American Community Survey 5-year estimate. By race and ethnicity: 90.4% White, 6.2% Hispanic or Latino, 2.7% two or more races, 0.3% Black or African American, and 0.3% American Indian or Alaska Native.
Nearby public schools
| School | Address | Distance |
|---|---|---|
| NORTH FREMONT JR/SR HIGH SCHOOL | 3581 EAST 1300 NORTH, ASHTON, ID | 5.8 mi |
| ASHTON ELEMENTARY SCHOOL | 168 SOUTH 1ST STREET, ASHTON, ID | 6.5 mi |
| SOUTH FREMONT HIGH SCHOOL | 855 NORTH BRIDGE, ST ANTHONY, ID | 18.8 mi |
Distance is straight-line from the ZIP code's center; driving distance will be longer. School attendance is set by district boundaries, not proximity. Confirm which school a specific address is zoned for with the local school district. Source: National Center for Education Statistics.
Frequently asked questions
What is the typical home value in ZIP code 83420?
$461,113 as of June 2026, the latest month Zillow has published observed data for.
Is 83420 an expensive ZIP code in the Rexburg, ID area?
83420 ranks 3rd of 8 ZIP codes in the Rexburg, ID area by typical home value, more expensive than about 75% of ZIP codes in the metro.
How much have home values in 83420 changed over the past year?
+8.7% over the trailing 12 months, from observed Zillow data.
What is the population of ZIP code 83420?
2,611, per the US Census Bureau's American Community Survey 5-year estimate.
What are the closest public schools to ZIP code 83420?
NORTH FREMONT JR/SR HIGH SCHOOL (5.8 mi), ASHTON ELEMENTARY SCHOOL (6.5 mi), SOUTH FREMONT HIGH SCHOOL (18.8 mi), by straight-line distance from the ZIP code's center. School attendance is set by district boundaries, not proximity. Confirm assignment with the local school district.
Is this page showing a forecast for 83420?
No. Every number on this page is observed Zillow data as of June 2026, not a forecast. Sialim's forecasting engine runs at the metro level; see the Rexburg, ID forecast for a modeled outlook.
ZIP-level values shown here are observed Zillow data, not forecasts. Sialim's forecasting engine works at the metro level today; ZIP-level forecasts are planned for Sialim Pro. Data © Zillow, via Zillow Research.