Number of homes using different types of energy sources U.S. 2020, by building type

Preliminary figures.
More than one energy source per building can apply.
The source adds the following information: "The target population for the RECS is all occupied housing units in the 50 states and the District of Columbia (DC) that are used as primary residences. Vacant homes, seasonal housing units,and group quarters, such as dormitories, nursing homes, prisons, and military barracks are excluded. Housing units located on military installations are included. The 2020 RECS sample was designed to meet precision requirements on energy consumption for all 50 states and DC, with an expected yield of 18,000 to 20,000 completed RECS questionnaires from sampled households."
Detailed methodology can be found here.

* Households that use propane only for outdoor grilling are excluded from the RECS estimate of households using propane.