one house; one household
Used when counting houses or households, often in statistical, real estate, or formal contexts.
この地域には一戸あたりの平均居住人数が少ない。
In this area, the average number of residents per household is low.
一戸建ての住宅を購入した。
I bought a detached house.
一軒 is the everyday word for counting houses, while 一戸 is a more formal or official term used in statistics and legal documents.
一個 (one item) and 一戸 (one household) are pronounced identically but refer to completely different things—an object versus a house.
detached house; stand-alone house; single-family home
Compound of 一 (one) and 戸 (house/household). The reading いっこ follows regular rendaku and gemination rules.