The majority of U.S. households used natural gas in 2020

In 2020, 61% of U.S. households used natural gas for at least one energy end use, according to our 2020 Residential Energy Consumption Survey (RECS). Space heating, water heating, and cooking were the most common end uses; more than half of U.S. households used natural gas for space heating, closely followed by water heating.

Full article at eia.gov