ZIP code 57709 is located in South Dakota. This area is served by 80 utility providers across 2 categories. The average residential electricity rate here is 13.7¢/kWh.
Estimated monthly utility costs
Cost data not available for this ZIP code.
Electric
Water
Frequently asked questions
How do I set up utilities when moving to 57709?
Contact each provider separately before your move-in date. Start with electric (Black Hills Electric Coop, Inc) since those typically need a few business days to activate. Water and sewer are often handled with one call to your local utility. Set up internet last since it may require an installation visit.
Is electricity expensive in 57709?
No — electricity in ZIP code 57709 costs about 9% less than the national average. Compared to South Dakota overall, rates here are about 11% higher. Based on 2023 NREL residential electricity rate data.
Disclaimer: Provider information is sourced from federal databases including HIFLD, EPA SDWIS, FCC Broadband Data, and EIA-861. Utility cost estimates are from the U.S. Census Bureau American Community Survey 5-Year Estimates. Electric rates are based on 2023 NREL data. Coverage areas are approximate and may not reflect recent changes. Please verify directly with your provider.
Data sources: U.S. Census Bureau, NREL, EIA-861, HIFLD, EPA, FCC. Last updated: April 2026.