Utility rates in Castroville vs. US average
Typical monthly utility bills in Castroville
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.
How Castroville heats its homes
24% natural gas · 70% electricity · 6% other fuels
Electric rates in Castroville
Residential rates range from 12.1¢ to 12.6¢ per kWh.
Providers include AEP Texas Central Company, Bandera Electric Coop, Inc, City of San Antonio - (TX), Karnes Electric Coop Inc, Medina Electric Coop, Inc.
This is 18% below the national average of 15.0¢/kWh.
Note: Texas has a competitive electricity market — you may be able to choose your supplier.
Internet providers in Castroville
Castroville has strong broadband coverage.
Availability varies by address. Based on FCC Broadband Data Collection filings.
Electric 5 providers
Natural Gas 1 provider
Water 29 providers
Sewer 2 providers
Internet 5 providers
ZIP codes in Castroville, TX
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.