Few studies have evaluated rates of gambling participation and problems in older adults. This study recruited 492 adults aged 65 years and older from bingo sites (n = 132) and senior centers (n = 360). Compared to those recruited from senior centers, participants recruited at bingo events had higher South Oaks Gambling Screen (SOGS) scores and greater gambling frequency and expenditures. Lifetime rates of combined problem and pathological gambling were 12.9% in the bingo sample and 9.7% in the senior center sample (10.6% overall). Compared to non-problem gamblers, problem and pathological gamblers were more likely to be younger (73 versus 76 years) and male (52% versus 27%). Overall, 39.1% reported gambling at least twice per month over the past year, and 33.7% wagered dollars 50 or more over the prior 2 months. This study suggests that subsets of active older adults have high rates of gambling participation and problems.