Washington State Profile
Population (2025): 7,958,000
Total Number of Natural Gas Utilities: 6
Number of Municipal Natural Gas Utilities: 2
Number of APGA Members: 1
Total Number of Customers (All Utilities): 1,400,000
Total Number of Customers (APGA Members): 5,212
Miles of Pipeline (All Utilities): 24,050
Miles of Pipeline (APGA Members): 140
*customer and miles data is self-reported as of early 2025
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