ZIP code 57772 covers Porcupine, South Dakota in Oglala Lakota County. This area is served by 7 utility providers across 3 categories. The average residential electricity rate here is 13.9¢/kWh.
Estimated monthly utility costs
$538/month
Cost estimates from U.S. Census ACS 5-year data · Shorter bar = lower cost
Electric
Sewer
Internet
Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 57772?
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.
How much do utilities cost per month in 57772?
Total estimated monthly costs are around $537, which is about $154 more than the national average. Electricity is the biggest expense at roughly $225/month. Natural gas runs about $313. Costs vary by home size, usage, and season. Estimates from U.S. Census ACS data.
Is electricity expensive in 57772?
No — electricity in Porcupine, SD costs about 8% less than the national average. Compared to South Dakota overall, rates here are about 13% higher. Based on 2023 NREL residential electricity rate data.
What internet providers are available in 57772?
Porcupine, SD has broadband coverage. Providers include Golden West Telecommunications (Fiber / Cable / DSL up to 1,000 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 57772 in?
ZIP code 57772 is in Oglala Lakota County, South Dakota.
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.