In 1850, the town had 2,129 inhabitants, of which 1,038 were Romanians (48.8%), 517 Hungarians (24.3%), 255 Germans (12%), 216 Roma (10.1%) and 103 (4.8%) of other ethnicities, meanwhile in 1910, out of 8,654 inhabitants, 5,827 were Hungarians (67.33%), 2,417 Romanians (27.92%), 276 Germans (3.18%) and 134 (1.57%) of other ethnicities. At the
2011 census, there were 56,647 people living within the city, making it the 37th largest city in Romania. The ethnic makeup in 2011 was as follows: 89.67%
Romanians, 7.79%
Hungarians, 1.6%
Roma, and 0.91% other. At the
2021 census, Deva had a population of 53,113; of those, 74.28% were Romanians, 5.33% Hungarians, and 19.42% other. ==Economy==