| Balmazújváros District | |
| Native Name: | Balmazújvárosi járás |
| Native Name Lang: | hu |
| Settlement Type: | Districts of Hungary |
| Image Blank Emblem: | HUN Balmazújváros Címer.svg |
| Blank Emblem Type: | Coat of arms |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Hajdú-Bihar |
| Seat Type: | District seat |
| Seat: | Balmazújváros |
| Area Total Km2: | 827.45 |
| Area Rank: | 2nd in Hajdú-Bihar |
| Population As Of: | 2011 census |
| Population Total: | 30,191 |
| Population Rank: | 7th in Hajdú-Bihar |
| Population Density Km2: | 36 |
Balmazújváros (Hungarian: Balmazújvárosi járás) is a district in north-western part of Hajdú-Bihar County. Balmazújváros is also the name of the town where the district seat is found. The district is located in the Northern Great Plain Statistical Region. This district is a part of Hajdúság historical and geographical region.
Balmazújváros District borders with Mezőcsát District (Borsod-Abaúj-Zemplén County) and Hajdúnánás District to the north, Hajdúböszörmény District and Debrecen District to the east, Hajdúszoboszló District to the south, Tiszafüred District (Jász-Nagykun-Szolnok County) to the west. The number of the inhabited places in Balmazújváros District is 5.
The district has 2 towns, 1 large village and 2 villages.(ordered by population, as of 1 January 2012)[1] The bolded municipalities are cities, italics municipality is large village.
In 2011, it had a population of 30,191 and the population density was 36/km2.
Besides the Hungarian majority, the main minorities are the Roma (approx. 2,000) and German (200).
Total population (2011 census): 30,191
Ethnic groups (2011 census):[3] Identified themselves: 28,278 persons:
25,928 (91.69%)
1,976 (6.99%)
Approx. 2,000 persons in Balmazújváros District did not declare their ethnic group at the 2011 census.
Religious adherence in the county according to 2011 census:[4]