MonitorBankRates
☰
New Report Fall 2026 Housing Affordability Report: every state is less affordable than in late August as average 30-year mortgage rates passed 7%. Read the report

Buffalo Gap, SD Housing Affordability Index

Buffalo Gap, South Dakota has an MBR Housing Affordability Index score of 162.2 (Highly Affordable) as of October 30, 2026, ranking 136th most affordable of 263 scored South Dakota cities, compared with 111.3 statewide and 97.4 nationally. On a median-priced $100,000 home with 20% down, the South Dakota average 30-year fixed rate of 7.26% means a monthly principal and interest payment of about $546, or 12% of the city’s $54,063 median household income.

The MBR Housing Affordability Index (MBR-HAI) for Buffalo Gap is updated every night from live South Dakota mortgage rates and U.S. Census Bureau income, home value and housing cost data for the city. A score of 100 equals the national average; higher scores mean homeownership is more affordable.

Buffalo Gap MBR-HAI 162.2 Highly Affordable
Rank in South Dakota 136 of 263 1 = most affordable
South Dakota 111.3 Statewide score
National 97.4 100 = baseline
Avg 30-yr rate 7.26% South Dakota lenders
Median home value $100,000 U.S. Census Bureau

Buffalo Gap is 50.9 points above the South Dakota score. Scores as of October 30, 2026. See the South Dakota index

View Buffalo Gap Mortgage Rates

What It Takes to Buy in Buffalo Gap

$546/mo
Principal & Interest
Median home, 20% down, 7.26%
$23,400
Income Needed
To keep the payment at 28% of income
$54,063
Median Household Income
South Dakota: $75,081
1.8x
Price-to-Income Ratio
South Dakota: 3.4x
$540/mo
Median Owner Costs
Mortgage, taxes, insurance, utilities
$3,333/yr
Median Property Tax
3.33% of median value
12.5%
Owner Cost Burden
Owners spending 30%+ of income on housing
66.7%
Renter Cost Burden
Renters spending 30%+ of income on rent

Source: U.S. Census Bureau American Community Survey 5-Year Estimates (2024) for Buffalo Gap, South Dakota. The rate is the South Dakota average 30-year fixed rate from MonitorBankRates, since lenders publish rates by state.

Cite the Buffalo Gap Score

“MonitorBankRates (MBR) Housing Affordability Index, MonitorBankRates.com, October 30, 2026. Buffalo Gap, South Dakota score: 162.2 (Highly Affordable), ranked 136 of 263 South Dakota cities. monitorbankrates.com/housing-affordability-index/south-dakota/buffalo-gap”