| Hajnówka County | |
| Native Name: | Powiat hajnowski |
| Settlement Type: | County |
| Total Type: | Total |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Area Total Km2: | 1623.65 |
| Population Total: | 42,851 |
| Population As Of: | 2019 |
| Population Density Km2: | auto |
| Population Urban: | 21830 |
| Population Blank1 Title: | Rural |
| Population Blank1: | 21021 |
| Coor Pinpoint: | Hajnówka |
| Coordinates: | 52.7333°N 57°W |
| Seat: | Hajnówka |
| Parts Type: | Gminas |
| Parts: | Total 9 (incl. 1 urban) |
| P1: | Hajnówka |
| P2: | Gmina Białowieża |
| P3: | Gmina Czeremcha |
| P4: | Gmina Czyże |
| P5: | Gmina Dubicze Cerkiewne |
| P6: | Gmina Hajnówka |
| P7: | Gmina Kleszczele |
| P8: | Gmina Narew |
| P9: | Gmina Narewka |
| Blank Name: | Car plates |
| Blank Info: | BHA |
| Website: | http://www.powiat.hajnowka.pl |
Hajnówka County (pl|powiat hajnowski) is a unit of territorial administration and local government (powiat) in Podlaskie Voivodeship, north-eastern Poland, on the border with Belarus. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Hajnówka, which lies 51km (32miles) south-east of the regional capital Białystok. The only other town in the county is Kleszczele, lying 250NaN0 south-west of Hajnówka.
The county covers an area of 1623.65km2. As of 2019 its total population is 42,851, out of which the population of Hajnówka is 20,580, that of Kleszczele is 1,250, and the rural population is 21,021.[1]
Hajnówka County is bordered by Siemiatycze County to the south-west, Bielsk County to the west and Białystok County to the north. It also borders Belarus to the east.
The county is subdivided into nine gminas (one urban, one urban-rural and seven rural). These are listed in the following table, in descending order of population.
| Gmina | Type | Area (km2) | Population (2019) | Seat |
| Hajnówka | urban | 21.3 | 20,580 | |
| Gmina Hajnówka | rural | 293.2 | 3,872 | Hajnówka * |
| Gmina Narew | rural | 339.5 | 3,476 | Narew |
| Gmina Narewka | rural | 339.5 | 3,634 | Narewka |
| Gmina Czeremcha | rural | 96.7 | 3,125 | Czeremcha |
| Gmina Kleszczele | urban-rural | 142.6 | 2,475 | Kleszczele |
| Gmina Białowieża | rural | 203.2 | 2,183 | Białowieża |
| Gmina Czyże | rural | 134.2 | 1,995 | Czyże |
| Gmina Dubicze Cerkiewne | rural | 151.2 | 1,511 | Dubicze Cerkiewne |
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