South Dakota

Ziebach County

ZIP 57623

2,410 residents$47,333 median HHI2 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$101,700

ACS 5-Year

Cap rate proxy

8.4%

FMR × 0.65 ÷ Home Value

Rent-to-income

18.1%

HUD FMR ÷ ACS HHI

Net migration

IRS SOI

Permits (TTM)

Census BPS

Climate risk

25.2

FEMA NRI (0–100)

ZIP 57623

Median home value

$101,700

Gross yield

11.0%

Cap rate

8.4%

Rent gap

23.0%

Affordability

P/I: 2.1R/I:

Section 8 detail

SAFMR: $929Rent: $715Gap: 29.9%
ZIP code breakdown2 ZIP codes

Numbers repeat across ZIPs in this county

ZIP-level home-value data isn't published for rural areas. Federal sources (Census ACS, HUD non-metro FMR) are available at the county level only, so home-value, cap-rate, and rent-gap numbers use the county estimate for every ZIP in the county.

ZIPMedian home valueRent (FMR 2BR)Gross yieldCap rateRent gap
57622$101,700county est.$92911.0%8.4%23.0%
57623$101,700county est.$92911.0%8.4%23.0%

Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.

Demographics

Owner-occupied

53.9%

Census ACS

Vacancy rate

19.1%

Census ACS

Bachelor's degree +

14.1%

Census ACS

Rent burdened

38.3%

Census ACS (>30% income)

Median age

36.6

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