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Refinancing a mortgage in Pennington County, South Dakota

The typical owner-occupied home in Pennington County is worth about $302,200, 17% above the South Dakota median of $257,400 and 9% below the national median of $332,700. Owners pay a median $3,265 a year in property taxes, about 1.08% of their home's value, close to the South Dakota rate of 1.06%. The median household earns $74,517 a year, so the median home costs 4.1 times the median income (3.4 times for South Dakota). 69% of occupied homes here are lived in by their owners, and 59% of those owners still have a mortgage.

Pennington County at a glance

Pennington County South Dakota U.S.
Median home value $302,200 $257,400 $332,700
Median property tax paid per year $3,265 $2,724 $3,119
Property tax as a share of value 1.08% 1.06% 0.94%
Median household income $74,517 $75,081 $80,734
Homes lived in by their owners 69% 69% 65%
Owner homes with a mortgage 59% 54% 61%
Median monthly costs, owners with a mortgage $1,803 $1,680 $1,963
Those costs as a share of the owners' income 22.8% 20.4% 21.0%
Median rent $1,120 $946 $1,413
Rent as a share of renters' income 29.5% 25.9% 30.6%
Median year homes were built 1982 1980 1980
Vacant homes 10.3% 10.5% 10.1%
Population 113,512 907,428 334,922,499

What refinancing could save in Pennington County

Pennington County owners with a mortgage pay a median $1,803 a month for their mortgage, taxes, insurance and utilities, about 22.8% of their household income.

Say you owe $181,000, about 60% of the median home value here, on a 30-year loan at 8.11%. Refinancing into a new 30-year loan at this week's average of 7.11% would cut principal and interest from $1,342 to $1,218, saving about $124 a month.

Closing costs often run 2% to 5% of the loan. At 3%, about $5,400, the savings would cover the costs in about 44 months, so refinancing pays off if you keep the home longer than that.

A 15-year loan at 6.45% would raise the payment to $1,572, but you'd pay $155,425 less interest than on the new 30-year loan.

The average 30-year rate is 0.87 percentage points higher than a year ago, when it was 6.24%.

Refinancing a $181,000 balance
Current loan at 8.11%, 30 years$1,342
New 30-year loan at 7.11%$1,218
New 15-year loan at 6.45%$1,572
Monthly savings with the new 30-year loan$124

Principal and interest only; taxes and insurance stay the same.

Change the numbers in the calculator

Questions about mortgage refinance in Pennington County

What is the median home value in Pennington County?

About $302,200 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Pennington County?

Homeowners pay a median $3,265 a year, which is about 1.08% of the median home value. Your bill depends on your home's assessed value and local rates.

When does refinancing make sense?

When the monthly savings repay your closing costs before you expect to sell or refinance again. This week's average rates are 7.11% for 30 years and 6.45% for 15 years.

More about Pennington County

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