fremont-county · Idaho
Fremont County
ZIP 83421
13,701 residents144 permits TTM$72,767 median HHI6 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$281,800
ACS 5-Year
Cap rate proxy
3.4%
FMR × 0.65 ÷ Home Value
Rent-to-income
13.2%
HUD FMR ÷ ACS HHI
Net migration
+1.28%
IRS SOI
Permits (TTM)
144
Census BPS
Climate risk
38.3
FEMA NRI (0–100)
ZIP 83421
Median home value
—
Gross yield
—
Cap rate
3.4%
Rent gap
—
Affordability
P/I: 3.9R/I: —
Section 8 detail
SAFMR: —Rent: —Gap: —
ZIP code breakdown6 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate | Rent gap |
|---|---|---|---|---|---|
| 83421 | — | — | — | 3.4% | — |
| 83433 | — | — | — | 3.4% | — |
| 83438 | — | — | — | 3.4% | — |
| 83445 | — | — | — | 2.8% | — |
| 83420 | — | — | — | 2.2% | — |
Ranked by composite score
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Demographics
Owner-occupied
84.2%
Census ACS
Vacancy rate
48.0%
Census ACS
Bachelor's degree +
21.8%
Census ACS
Rent burdened
33.2%
Census ACS (>30% income)
Median age
39.9
Census ACS
U.S. Census Bureau — American Community Survey 5-Year Estimates
U.S. Census Bureau — Building Permits Survey
U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)
Internal Revenue Service — Statistics of Income Migration Data
FEMA — National Risk Index
Last updated: April 16, 2026