The typical owner-occupied home in Sully County is worth about $205,400, 20% below the South Dakota median of $257,400 and 38% below the national median of $332,700. Owners pay a median $1,715 a year in property taxes, about 0.83% of their home's value, lower than the South Dakota rate of 1.06%. The median household earns $72,578 a year, so the median home costs 2.8 times the median income (3.4 times for South Dakota). 73% of occupied homes here are lived in by their owners, and 36% of those owners still have a mortgage.
Sully County at a glance
| Sully County | South Dakota | U.S. | |
|---|---|---|---|
| Median home value | $205,400 | $257,400 | $332,700 |
| Median property tax paid per year | $1,715 | $2,724 | $3,119 |
| Property tax as a share of value | 0.83% | 1.06% | 0.94% |
| Median household income | $72,578 | $75,081 | $80,734 |
| Homes lived in by their owners | 73% | 69% | 65% |
| Owner homes with a mortgage | 36% | 54% | 61% |
| Median monthly costs, owners with a mortgage | $1,542 | $1,680 | $1,963 |
| Those costs as a share of the owners' income | 17.0% | 20.4% | 21.0% |
| Median rent | $842 | $946 | $1,413 |
| Rent as a share of renters' income | 24.7% | 25.9% | 30.6% |
| Median year homes were built | 1979 | 1980 | 1980 |
| Vacant homes | 31.8% | 10.5% | 10.1% |
| Population | 1,526 | 907,428 | 334,922,499 |
What a typical home costs per month in Sully County
At this week's average 30-year rate of 7.11%, buying the median Sully County home of $205,400 with 20% down costs about $1,333 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $1,675, because the loan is bigger and FHA adds mortgage insurance.
Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $57,130 for the 20%-down payment. That payment is 22% of the median Sully County household income of $72,578; at that income and 20% down, the 28% guideline points to a home of about $261,000.
The median rent here is $842 a month, so owning the median home costs about $491 a month more than renting, before you count the equity you build and any tax benefits.
| Down payment | $41,080 |
|---|---|
| Loan amount | $164,320 |
| Principal and interest | $1,105 |
| Property taxes (0.83% a year) | $142 |
| Homeowners insurance (our estimate, 0.5% a year) | $86 |
| PMI | $0 |
| Total per month | $1,333 |
Change the numbers in the calculator
| Down payment | $7,189 |
|---|---|
| Loan amount | $201,680 |
| Principal and interest | $1,357 |
| Property taxes (0.83% a year) | $142 |
| Homeowners insurance (our estimate, 0.5% a year) | $86 |
| FHA mortgage insurance | $91 |
| Total per month | $1,675 |
Change the numbers in the calculator
Questions about home buying in Sully County
What is the median home value in Sully County?
About $205,400 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.
How much are property taxes in Sully County?
Homeowners pay a median $1,715 a year, which is about 0.83% of the median home value. Your bill depends on your home's assessed value and local rates.
What income do you need to buy a home in Sully County?
For the median home with 20% down at 7.11%, the payment is about $1,333 a month. Keeping that under 28% of gross income takes about $57,130 a year.
More about Sully County
- Mortgage Refinance in Sully County
- Debt Relief in Sully County
- Home Equity Loans in Sully County
- Guides and quotes for mortgage refinance on our sister site, MortgageRefinance.com
Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data