Topsfield is a town in Washington County, Maine, United States.

[1] This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters.

The racial makeup of the town was 99.2% White, 0.4% Native American, and 0.4% from other races.

20.0% of all households were made up of individuals, and 6.3% had someone living alone who was 65 years of age or older.

25.0% of all households were made up of individuals, and 17.4% had someone living alone who was 65 years of age or older.

About 10.4% of families and 13.5% of the population were below the poverty line, including 16.0% of those under the age of eighteen and 20.5% of those 65 or over.