In 1890, the
obćina of Krnjak (court at Krnjak), with an area of , belonged to the
kotar of
Vojnić (Vojnić
electoral district but Krnjak court) in the
županija of
Modruš-Rieka (
Ogulin court and financial board). There were 825 houses, with a population of 4776: 2391 male and 2385 female. All were
Croatian or Serbian speakers. The majority were
Eastern Orthodox, but 27 were
Catholic and 4 were
Jewish. Its 27 villages were divided for taxation purposes into 8
porezne obćine, under the
Slunj office. In 1910, the court of Krnjak encompassed an area of , with a population of 35,642. Krnjak had its own
cadastral jurisdiction, but its
business court was in
Ogulin. There are a total of 1,985 inhabitants in the municipality (census 2011), 68.6% which are
Serbs and 29.2% which are
Croats. By mother tongue there are 1,620
Croatian speakers, 201
Serbian speakers and 164 speakers of other languages. The municipality is part of
Kordun. ==Settlements==