Old Second Bancorp, Inc. revenue for the last year amounted to 286.11 M USD, the most of which — 286.11 M USD — came from its highest performing source at the moment, Community Banking, the year earlier bringing 249.27 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Old Second Bancorp, Inc. 286.11 M USD, and the year before that — 249.27 M USD.