Located 115 miles north of San Francisco, Boonville is best known as the source of the Boontling folk language. Bottles from the local Anderson Valley Brewing Company are labeled with the motto "It's bahl hornin'," which means "It's good drinkin'" in Boontling.
In early spring (April or May), the annual Legendary Boonville Beer Festival is held at the fairgrounds, featuring beers from about 50 craft breweries. A Pinot Noir Festival is held in May. In July, the Wool-growers' Barbecue and Sheepdog Trials is held at the fairgrounds. Boonville hosts the annual Mendocino County Fair in September.
Boonville, despite its population of very few people it has a minor reputation among political leftists in the USA for countercultural ideals, including promotion of organic food. The town serves as the setting for the novel Boonville (2001) by Robert Mailer Anderson. Some commentators believe Boonville may be the setting for the novel Vineland (1990) by Thomas Pynchon.