Grand Forks, ND-MN · Minnesota
Polk County
ZIP 56646
30,905 residents46 permits TTM$69,136 median HHI16 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$211,100
ACS 5-Year
Cap rate proxy
4.8%
FMR × 0.65 ÷ Home Value
Rent-to-income
14.6%
HUD FMR ÷ ACS HHI
Net migration
+1.07%
IRS SOI
Permits (TTM)
46
Census BPS
Climate risk
67.0
FEMA NRI (0–100)
ZIP 56646
Median home value
—
Gross yield
—
Buy Box score
—
Section 8 gap
—
Affordability
P/I: 4.0R/I: —
Section 8 detail
SAFMR: —Rent: —Gap: —
ZIP code breakdown16 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate ↓ | Rent gap |
|---|---|---|---|---|---|
| 56716 | — | — | — | 5.7% | — |
| 56762 | — | — | — | 5.3% | — |
| 56517 | — | — | — | 4.8% | — |
| 56523 | — | — | — | 4.8% | — |
| 56556 | — | — | — | 4.8% | — |
| 56568 | — | — | — | 4.8% | — |
| 56592 | — | — | — | 4.8% | — |
| 56646 | — | — | — | 4.8% | — |
| 56684 | — | — | — | 4.8% | — |
| 56722 | — | — | — | 4.8% | — |
| 56723 | — | — | — | 4.8% | — |
| 56736 | — | — | — | 4.8% | — |
| 56542 | — | — | — | 4.7% | — |
| 56540 | — | — | — | 4.6% | — |
| 56721 | — | — | — | 3.6% | — |
| 56535 | — | — | — | 3.5% | — |
Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.
Demographics
Owner-occupied
72.1%
Census ACS
Vacancy rate
15.1%
Census ACS
Bachelor's degree +
28.1%
Census ACS
Rent burdened
49.1%
Census ACS (>30% income)
Median age
39.5
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