Side-by-side comparison of mortgage costs, property taxes, closing costs, and homeowners insurance between Iowa and South Dakota. Updated for 2026.
South Dakota wins 4 of 6 cost categories, making it the more affordable state for homebuyers overall. However, Iowa has a lower total cost when combining home price, closing costs, and insurance. Both states offer first-time buyer programs — explore the state pages for full details.
Estimated PITI payments assuming 10% down, 6.5% rate, 30-year fixed mortgage with PMI.
The monthly payment difference is $591/month — that’s $7,092/year or $213K over the life of a 30-year loan. Buying in Iowa is the more affordable option based on median home prices with identical loan terms.
Based on the 28% debt-to-income rule — your monthly housing payment should not exceed 28% of gross monthly income.
To afford the median home in South Dakota, you need a household income of approximately $98K/year. In Iowa, you need $72K/year — less by $25K/year. That $25K income gap means Iowa is accessible to a significantly wider range of households.
Iowa offers meaningfully lower home prices than South Dakota, with median prices running 29% less ($85K difference). This gap translates to both a smaller loan and lower monthly payments. First-time buyers priced out of South Dakota may find Iowa far more accessible, particularly when combined with local down payment assistance programs.
Property tax rates are similar in both states (Iowa: 1.52%, South Dakota: 1.22%), so taxes shouldn't be the deciding factor in your relocation decision. Instead, focus on differences in home prices, insurance costs, and state-specific programs. Both states collect roughly comparable property tax revenue relative to home values.
Both states offer down payment assistance for first-time buyers. Iowa's IFA FirstHome provides $2,500 grant, while South Dakota's SDHDA First-Time Homebuyer offers Fixed-rate FTB loans. These programs can significantly reduce your upfront costs and make homeownership accessible even if you haven't saved a full 20% down payment. Check eligibility requirements on each state's housing finance agency website — income limits and purchase price caps apply.
The bottom line: Iowa and South Dakota are broadly similar in housing costs, with only $591/month separating them in total PITI payments. In cases like this, your decision should be driven by lifestyle preferences — job opportunities, climate, proximity to family, and quality of life — rather than pure cost savings. Either state offers a reasonable path to homeownership.