Ansonia is a village in Darke County, Ohio, United States.

The village initially grew slowly; significant expansion only came after the coming of a railroad in 1852.

[5]: 568  Because dense swamps hindered settlement in the vicinity,[5]: 566  woodland was plentiful, and Ansonia became a center of manufacturing for hardwood products.

[5]: 568  In 1873, the residents replaced their old school with a substantial two-story building at the cost of ten thousand dollars; this building was the first home of Ansonia High School, which was founded in that year.

An IOOF lodge was instituted on June 18, 1875, with sixteen members; it grew nearly sevenfold in its first forty years.

Sixteen women in the community founded a chapter of the Daughters of Rebekah in 1894, and a lodge of the Knights of Pythias was also established in the village in 1889.

21.9% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older.

23.3% of all households were made up of individuals, and 10.0% had someone living alone who was 65 years of age or older.