[8] Even after the bishopric was moved to Koroinen, Nousiainen was still an important pilgrimage site until the reformation, as it was thought that bishop Henry was buried there.

Significant employers also included Teleste Oyj's electronics factory, which, however, has already closed down in the municipality.

In 2015, the municipality had 1,009 jobs; of these, 11% were in primary production (agriculture, forestry and fishery), 72% in services and 15% in processing.

[10] The companies that paid the most corporate tax in 2016 were FCR Finland, which operates in the shipbuilding industry, Mynämäen-Nousiaisten Osuuspankki and Maalausliike Helin.

[11] Sweetened potato casserole, or imelet perunloora in the local dialect, was named the traditional parish dish of Nousiainen in the 1980s.