Medford-based Century Bancorp, parent company of Century Bank, has reported net income of $1.9 million for the first quarter ended March 31, an increase of 4.8 percent over net income of $1.8 million in the same period last year.

The company’s board of directors voted a regular quarterly dividend of 12 cents per share on the company’s class A common stock, and 6 cents per share on the class B common stock. The dividends are payable May 15, to stockholders of record on May 1.