It's pretty common in the North. Older houses built in the 40s thru 60s that have never been fully renovated. Furnaces are surprisingly resilient

A lot of fuels are in use for residential heating in america, and the fuel of choice is usually regional. Example

A lot of homes in the North still use it.

I bought the place from an 80 year old lady who had weird imitation kerosene lantern lighting from the 1980s, and I have Amish down the road. We do be trying to pretend its 1904 around here as much as possible.

I live in a mobile home in rural maine. Most of rural maine heats with regular heating oil, but if you have to keep your oil tanks outside in the winter, the oil will freeze so you need to pay extra for Kerosene. It's a poor tax!