In 1850, it held a population of 4,294 and, in 1910–8,062 (7,477 Hungarians, 19 Germans, 529 Romanians and 23 belonging to other ethnic groups). By religion, there were 1,333 Roman Catholics, 873 Greek Catholics, 5,363 members of the Reformed Church, and 415 Jews. The city had 1,427 households, and most of its inhabitants were employed by the manufacturing industry. The Reformed Church was built in 1246. It is one of the city's oldest buildings and one of the largest in Eastern Europe.