Is Sully County, SD good for real estate investing?

Sully County has an investment score of 48/100, rated as "Hold". The county ranks #634 nationally among 1000 counties analyzed.

What is the median home price in Sully?

The median home price in Sully County is $259,224. This ranks #587 in affordability among all US counties.

Can you cash flow on rental properties in Sully?

Based on median values with 20% down at current rates, a typical rental in Sully County would generate positive cash flow of $0/month. Individual property performance varies based on purchase price, rent, and operating expenses.

Sully County

South DakotaPopulation: 1,318

/100

Hold

#634 of 1,000 counties

#41 in South Dakota (50 counties)

Analysis by RentalCalcs ResearchIndependent data + algorithm-driven scoring

Updated January 1, 2026Sources: Zillow ZHVI, Zillow ZORI, US Census ACS, Tax Foundation

Market Snapshot

$259,224

Median Home Price

13% above national median

$15,663/mo

Est. Rent

Based on regional data

6.04%

Rent-to-Price Ratio

Estimated from price data

+$0

Est. Monthly Cash Flow

With 20% down at 6.9% rate

Price History

Median Home Price

Median Rent

Historical data from Zillow ZHVI/ZORI

Score Breakdown

Overall Investment Score

48/100

Cash Flow(30%)

0/100

Rent data not available for cash flow calculation.

Appreciation(25%)

29/100

Based on -4.3% YoY price growth. Moderate growth (3-8%) scores highest.

Stability(25%)

50/100

Population data not available.

Affordability(20%)

72/100

Price-to-income ratio of 3.9x. Lower ratios indicate more affordable markets.

Scores are calculated using real Zillow home value and rent data, Census population data, and economic indicators. The weighted average produces the overall investment score. Markets with missing rent data use estimated values based on regional averages.

Investment Outlook

Strengths

+Affordable relative to local incomes

Challenges

-Declining home values (-4.3% YoY)
-Negative leverage (cap rate 0.0% < mortgage rate 6.9%)
-Limited rent data (estimates used)

Economic Indicators

Population

1,318

Median Income

$66,875

vs $54,921 national est.

Unemployment Rate

—

Data pending

Price-to-Income

3.9x

Moderately affordable

Who this market fits

Skip if

−You can't tolerate negative leverage (cap rate below mortgage rate today)
−You expect appreciation to carry the deal, but prices have declined year over year

Compare to Nearby Counties

County					Verdict
RobertsSD	50	$214,859	Est. pending	—	Hold	View
StanleySD	49	$296,866	Est. pending	—	Hold	View
CurrentSullySD	48	$259,224	Est. pending	—	Hold
CodingtonSD	48	$335,019	$1,000	3.58%	Hold	View
ButteSD	46	$352,137	Est. pending	—	Hold	View
CampbellSD	46	$190,297	Est. pending	—	Hold	View

The Bottom Line

HoldSully is a neutral market.

Sully County in South Dakota scores 48/100, ranking #634 of 1,000 US counties (top 81%). At 20% down and current rates, a median-priced rental roughly breaks even on cash flow. The deal works on appreciation or with better terms, not on month-one cash flow.

Monthly Cash Flow

+$0/mo

Cap Rate

0.0%

Cash-on-Cash

0.0%