55Alpha

Sully County, SD Housing Market Brief

county · SD · as of August 2026

Balanced

What is Sully County, SD’s Alpha Score?

The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.

Price Momentum20%
-28.924
Inventory Health25%
-1.164
Affordability20%
68
Economic Strength20%
69
Rental Yield15%
43

Where is Sully County, SD in its market cycle?

EmergingGrowingMaturePeakingDecliningRecovering

Sully County, SD is classified as Mature holding near a healthy peak. This is a classification of recent (1–12 month) momentum, not a price forecast.

Sully County, SD housing market data

MetricValueYoY
Median Sale Price$245K
Median Days on Market153 days
Months of Supply2.1
Homes for Sale3-25%
Homes Sold1
Median Price / Sq Ft$200▲ +53.9%

How has Sully County, SD’s Alpha Score moved?

Now: 55
12-period trend
Median sale price · 12 mo

Markets like Sully County, SD

Frequently asked questions

Is Sully County, SD a buyer's or seller's market?

As of August 2026, Sully County, SD is classified as a Balanced Market, based on its Alpha Score of 55 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.

Are home prices rising or falling in Sully County, SD?

The median sale price in Sully County, SD is $245K, having held roughly steady over the past year.

How affordable is Sully County, SD?

Sully County, SD scores 68 out of 100 on affordability — relatively affordable relative to local incomes and prevailing mortgage rates compared with other counties.

What's driving Sully County, SD's Alpha Score?

Sully County, SD's strongest dimension is Economic Strength (69/100) and its weakest is Price Momentum (24/100). The Alpha Score is a weighted blend of all five dimensions.

Want the live, interactive view of Sully County, SD? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.