This area is served by 28 utility providers across 4 categories. The average residential electricity rate here is 11.0¢/kWh. 46.3% of households use natural gas as their primary heating fuel.
Utility rates in ZIP 83431 vs. US average
Typical monthly utility bills in ZIP 83431
Figures from U.S. Census ACS 5-year estimates, reflecting households that pay utilities separately from rent. In dense urban areas where heat or hot water is often included in rent, these numbers represent the subset of residents who pay directly.
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Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 83431?
Contact each provider separately before your move-in date. Start with electric (Fall River Rural Elec Coop Inc) and gas (Intermountain Gas Co, (208) 547-2133) 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 do utility rates in 83431 compare to the national average?
Residential electricity in Lewisville, ID averages 11.0¢/kWh, about 33% below the US average of 16.5¢/kWh and 5% below the Idaho state average of 11.5¢/kWh. Natural gas in Idaho averages $8.51/Mcf, about 41% below the national average. Actual monthly bills vary by home size, insulation, and season. Local rates from NREL; state and US averages from EIA Form 861 (2024); natural gas prices from EIA Form 176 (2024).
Is electricity expensive in 83431?
No — electricity in Lewisville, ID costs about 33% less than the national average. Compared to Idaho overall, rates here are about 5% lower. Local rates from NREL (2023); state and US averages from EIA (2024).
What internet providers are available in 83431?
Lewisville, ID has strong broadband coverage. Providers include Anthem Broadband (Fixed Wireless up to 100 Mbps), CenturyLink (DSL up to 100 Mbps), Direct Communications Rockland (Fiber up to 1,000 Mbps), Fybercom LLC (Fixed Wireless up to 120 Mbps), T-Mobile (Fixed Wireless up to 100 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 83431 in?
ZIP code 83431 is in Jefferson County, Idaho.
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. Local electric rates are based on 2023 NREL Utility Rate Database data; state and US averages are from EIA Form 861 (2024). 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: May 2026.