Century Bancorp, Inc. announced that its Board of Directors voted a regular quarterly dividend of 12.00 cents per share on the company's Class A common stock, and 6.00 cents per share on the company's Class B common stock. The dividends were declared payable February 15, 2018 to stockholders of record on February 1, 2018.

The company reported unaudited consolidated earnings results for fourth quarter and year ended December 31, 2017. For the quarter, the company's total interest income was $29,470,000 against $24,689,000 a year ago. Net interest income was $21,702,000 against $18,762,000 a year ago. Income before income taxes was $9,670,000 against $6,106,000 a year ago. Net income was $25,000 against $6,500,000 a year ago. Earnings per average Class A share, diluted, quarter was $0.00 against $1.17 a year ago.

For the year, the company's total interest income was $113,436,000 against $96,699,000 a year ago. Net interest income was $85,616,000 against $74,082,000 a year ago. Income before income taxes was $33,259,000 against $24,172,000 a year ago. Net income was $22,301,000 against $24,534,000 a year ago. Earnings per average Class A share, diluted, year was $4.01 against $4.41 a year ago. Return on average assets, year was 0.48% against 0.57% a year ago. Return on average stockholders' equity, year was 8.75% against 10.80% a year ago. Book value per share as on December 31, 2017 was $46.75 against $43.11 as on December 31, 2016. The 15.6% increase in net interest income for the period is primarily due to an increase in average earning assets and an increase in the net interest margin.