Track current and weekly average money market account APYs across all products in South Dakota, view interactive rate trend charts, and compare SD APYs against the national average.
High-Yield Money Market APYs in South Dakota held steady this week at an average of 3.003%. SD APYs are unchanged from the prior week, reflecting a period of stability in local deposit conditions.
At 3.003%, South Dakota's High-Yield Money Market APY sits -0.067 below the current national average of 3.070%. Savers in SD may find better yields by comparing online offerings or considering national institutions.
The Standard Money Market APY in South Dakota currently averages 1.220%, compared to 1.220% last week. Savers weighing account type should note that standard money market APYs are typically lower than high-yield offerings but may come with fewer balance requirements or restrictions.
The South Dakota money market rate averages displayed on this page are calculated from 41 verified money market rate quotes collected across 11 banks and credit unions actively operating in South Dakota. Our proprietary systems collect and verify deposit rates daily — tracking what real licensed institutions are actually offering to depositors, not promotional teaser rates.
Unlike comparison sites that show only a handful of institutions, MonitorBankRates maintains a continuously updated money market account rate database spanning community banks, regional lenders, national institutions, and credit unions across South Dakota. This scale allows us to calculate averages that reflect the full deposit landscape — not just the most aggressive advertisers — giving savers, journalists, and financial professionals a more accurate benchmark for what APYs actually look like in SD.
Data reflects average APYs offered by licensed institutions operating in SD. Last Updated: May 14, 2026
Weekly average APYs across all money market products. Hover over the chart to see exact APYs for each week.
South Dakota money market rate averages compiled from 41 current money market rates across 11 banks and credit unions operating in SD — updated daily.
As of May 14, 2026 • Data provided by MonitorBankRates.com
Journalists covering South Dakota financial markets, personal finance professionals advising clients on deposit strategy, and academic researchers studying regional banking patterns are welcome to cite and reference this data. All historical SD money market rate data is free to use for editorial, research, and educational purposes.
Please attribute MonitorBankRates.com when referencing our figures in any publication, article, or report — and optionally link to https://monitorbankrates.com/money-market-rates/south-dakota/trends. For custom data pulls, contact us here.