This list contains Romanian urban localities (municipalities or towns) in which ethnic Hungarians make up over 5% of the total population, according to the 2021 census, ordered by their percentage of the local population. (Note that ethnic data were unavailable for a certain percentage of residents counted during that census, and these were excluded from the total when computing the percentages.) The Hungarians are an ethnic group which make up 6% of Romania's population, with nearly all living in Transylvania, where they make up 17.4% of the population.

Hungarians form at least 5% of the population in 73 of Transylvania's 143 towns, accounting for 94.4% of the region's 465,970 urban Hungarians. There are numerous rural localities (communes and villages) which also have Hungarian populations exceeding 5% of the total population, even though those are not listed here. Conversely, Hungarian communities of at least a thousand people, but under the 5% threshold, exist in Timișoara (8313), Bistrița (2898), Hunedoara (1777), Lugoj (1357), Sibiu (1206) and Petroșani (1147), as well as in Bucharest (2168).

In localities where Hungarians make up more than 20% of the population (including those with unknown ethnicity), the Hungarian language can be used when addressing local authorities, while state-funded education and bilingual signs are also provided. This arrangement applies in many communes, as well as in thirty-one cities and towns.

    Absolute Hungarian majority; Hungarian language has a special status in local administration    20-50% Hungarians; Hungarian language has a special status in local administration     Under 20% Hungarians; Hungarian language without special status in local administration

    At least 10,000 Hungarians    Between 5000 and 9999 Hungarians    Between 2500 and 4999 Hungarians     Under 2500 Hungarians

City # Hungariansin 2021 % Hungariansin 2021 in 1966 in 1930 in 1910 Vlăhița, Harghita 98.9 98.5 98.1 100.0 Historical census data Baraolt, Covasna 95.8 96.0 91.5 99.3 Historical census data Odorheiu Secuiesc, Harghita 95.7 94.9 83.5 96.9 Historical census data Cristuru Secuiesc, Harghita 94.8 96.7 86.9 96.9 Historical census data Târgu Secuiesc, Covasna 92.5 95.1 92.7 98.5 Historical census data Băile Tușnad, Harghita 90.7 90.9   99.5 Historical census data Sovata, Mureș 88.5 92.9 83.6 98.7 Historical census data Gheorgheni, Harghita 87.6 92.3 86.1 96.0 Historical census data Miercurea Nirajului, Mureș 84.0 77.0 60.4 83.0 Historical census data Valea lui Mihai, Bihor 82.8 82.5 65.7 99.6 Historical census data Miercurea Ciuc, Harghita 81.5 92.2 85.9 97.9 Historical census data Sângeorgiu de Pădure, Mureș 80.7 78.5 61.2 91.2 Historical census data Sfântu Gheorghe, Covasna 78.1 86.0 74.4 96.6 Historical census data Borsec, Harghita 72.7 86.4 77.9 91.4 Historical census data Săcueni, Bihor 66.7 80.5 80.1 98.8 Historical census data Covasna, Covasna 65.7 74.8 72.8 78.4 Historical census data Livada, Satu Mare 59.8 68.1 63.2 96.9 Historical census data Salonta, Bihor 58.0 72.9 80.2 95.3 Historical census data Carei, Satu Mare 52.1 59.5 35.1 98.1 Historical census data Cehu Silvaniei, Sălaj 48.7 50.1 51.1 64.9 Historical census data Târgu Mureș, Mureș 41.8 69.6 57.2 86.8 Historical census data Marghita, Bihor 38.7 57.3 50.8 82.2 Historical census data Satu Mare, Satu Mare 36.3 49.5 41.4 91.4 Historical census data Bălan, Harghita 33.2 53.7   95.8 Historical census data Tășnad, Satu Mare 29.9 48.5 43.1 71.6 Historical census data Reghin, Mureș 22.6 46.9 40.1 50.7 Historical census data Huedin, Cluj 22.5 51.1 60.1 91.4 Historical census data Pecica, Arad 22.0 49.8 50.7 55.5 Historical census data Ulmeni, Maramureș 21.8 27.5 26.3 33.4 Historical census data Luduș, Mureș 21.1 33.5 46.1 58.6 Historical census data Oradea, Bihor 20.9 51.4 53.7 91.3 Historical census data Chișineu-Criș, Arad 19.7 26.2 34.4 46.7 Historical census data Toplița, Harghita 19.2 39.6 31.5 32.7 Historical census data Sărmașu, Mureș 19.0 26.0 34.4 37.0 Historical census data Șimleu Silvaniei, Sălaj 18.3 36.4 40.1 77.5 Historical census data Săcele, Brașov 18.1 38.5 59.4 57.4 Historical census data Ardud, Satu Mare 16.4 33.8 13.9 62.3 Historical census data Rupea, Brașov 16.1 23.1 13.7 11.3 Historical census data Sighișoara, Mureș 15.3 16.3 20.6 21.4 Historical census data Gherla, Cluj 14.8 24.8 27.2 60.6 Historical census data Aiud, Alba 14.6 25.4 37.2 51.0 Historical census data Baia Sprie, Maramureș 14.2 28.8 35.1 62.8 Historical census data Cluj-Napoca, Cluj 13.9 41.4 47.3 81.6 Historical census data Zalău, Sălaj 13.5 44.5 52.6 74.0 Historical census data Seini, Maramureș 13.2 25.6 25.0 46.3 Historical census data Târnăveni, Mureș 13.1 22.1 41.7 51.6 Historical census data Aleșd, Bihor 12.4 37.2 39.4 41.2 Historical census data Târgu Lăpuș, Maramureș 10.8 15.2 15.2 26.7 Historical census data Beclean, Bistrița-Năsăud 10.5 29.4 29.7 50.4 Historical census data Deta, Timiș 10.3 25.4 20.1 18.5 Historical census data Sighetu Marmației, Maramureș 10.2 25.5 19.9 76.7 Historical census data Tăuții-Măgherăuș, Maramureș 10.0 20.1 24.8 29.8 Historical census data Baia Mare, Maramureș 9.8 31.9 31.8 64.8 Historical census data Dej, Cluj 9.0 28.5 31.6 57.5 Historical census data Iernut, Mureș 8.9 23.1 27.2 30.8 Historical census data Jibou, Sălaj 8.8 27.5 30.6 47.0 Historical census data Gătaia, Timiș 8.5 18.8 18.3 27.0 Historical census data Arad, Arad 8.0 24.9 35.6 62.9 Historical census data Cavnic, Maramureș 8.0 21.3 33.2 53.0 Historical census data Mediaș, Sibiu 7.6 15.7 23.1 17.4 Historical census data Ocna Sibiului, Sibiu 13.1 16.6 21.9 Historical census data Turda, Cluj 16.9 49.5 69.4 Historical census data Jimbolia, Timiș 7.1 20.7 19.3 20.8 Historical census data Ocna Mureș, Alba 16.4 29.5 40.9 Historical census data Deva, Hunedoara 18.0 37.2 59.1 Historical census data Dumbrăveni, Sibiu 12.3 23.8 40.8 Historical census data Ungheni, Mureș 11.5 13.6 Historical census data Sânnicolau Mare, Timiș 10.9 11.6 17.5 Historical census data Câmpia Turzii, Cluj 15.1 35.5 44.7 Historical census data Copșa Mică, Sibiu 18.9 45.9 48.7 Historical census data Beiuș, Bihor 11.2 23.9 46.1 Historical census data Brașov, Brașov 17.0 39.3 43.4 Historical census data Lupeni, Hunedoara 19.5 35.5 41.9 Historical census data

By maternal language.

Notes