WINTHROP — Town Councilor Priscilla J. Jenkins has announced she’s running as a Democrat for state Senate District 21.

The district serves Chelsea, Farmingdale, Gardiner, Hallowell, Litchfield, Manchester, Monmouth, Pittston, Randolph, West Gardiner and Winthrop.

Jenkins, 68, is serving her second term on the Winthrop Town Council.

“I’m running to represent the 99 percent — the people who don’t have bank accounts or a voice at the table,” Jenkins said in a news release. “We need a conversation about what fairness for all means. I believe in basic human rights for every human. Whether you’ve got money or not, no matter what your heritage is, or your abilities, everyone deserves equal rights. It’s time we live up to our Pledge of Allegiance and ensure liberty and justice for all.”

Also running for the seat is former state Rep. David Bustin, a Democrat, who was also mayor of Hallowell. The winner between Bustin and Jenkins in the June primary will face off against unenrolled candidate Stephen M. Singleton, who was also a candidate in 2008, and three-term incumbent Republican Earle L. McCormick, of West Gardiner.

Jenkins is on the Western Kennebec Economic Development Alliance and said she has worked with the national liberal organization MoveOn.org.

She previously ran unsuccessfully for a seat in the Maine House of Representatives in 2006 and 2008.

Jenkins said she had a 30-year career in Fortune 500 companies working in computer development and management, spanned 30 years.

She founded the Keep Winthrop Warm group and is a chairman for the Winthrop Green Committee. She also is a substitute teacher.

Jenkins, who has a bachelor’s degree in mathematics from Vassar College, moved to Winthrop in 2000. She and her husband, John Davis, have three children and six grandchildren.