North Dakota

Dunn County

ZIP 58640

4,043 residents14 permits TTM$94,688 median HHI1 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$244,000

ACS 5-Year

Cap rate proxy

4.6%

FMR × 0.65 ÷ Home Value

Rent-to-income

11.9%

HUD FMR ÷ ACS HHI

Net migration

+0.77%

IRS SOI

Permits (TTM)

14

Census BPS

Climate risk

10.8

FEMA NRI (0–100)

ZIP 58640

Median home value

Gross yield

Buy Box score

0.7

Section 8 gap

Affordability

P/I: 2.9R/I:

Section 8 detail

SAFMR: Rent: Gap:
ZIP code breakdown1 ZIP codes
ZIPMedian home valueRent (FMR 2BR)Gross yieldBuy Box scoreSection 8 gap
586400.7

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Demographics

Owner-occupied

71.8%

Census ACS

Vacancy rate

28.5%

Census ACS

Bachelor's degree +

20.6%

Census ACS

Rent burdened

17.1%

Census ACS (>30% income)

Median age

40.8

Census ACS

Data sources
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