Brugg District is a district in the Canton of Aargau, Switzerland. The capital of the district is the town of Brugg.
Geography
Brugg District has an area, , of . Of this area, 42.6% is used for agricultural purposes, while 41.3% is forested. The rest of the land, (14.1%) is settled.
, there were 1,635 homes with 1 or 2 persons in the household, 8,736 homes with 3 or 4 persons in the household, and 6,792 homes with 5 or more persons in the household. The average number of people per household was 2.41 individuals. There were a total of 194 empty apartments for a 0.9% vacancy rate.
Religion
From the , 13,426 or 30.4% were Roman Catholic, while 20,463 or 46.4% belonged to the Swiss Reformed Church. Of the rest of the population, there were 72 individuals (or about 0.16% of the population) who belonged to the Christian Catholic faith.
Municipalities
thumb|Population
{| class="wikitable"
!Coat of arms
!Municipality
!Population <small><br></small>
!Area (km²)<small></small>
|-
| 35px|Auenstein || align="center" | Auenstein || align="center" | || align="center" |
|-
| 35px|Birr || align="center" | Birr|| align="center" | || align="center" |
|-
| 35px|Birrhard || align="center" | Birrhard|| align="center" | || align="center" |
|-
| 35px|Bözberg || align="center" | Bözberg|| align="center" | || align="center" |
|-
| 35px|Brugg || align="center" | Brugg|| align="center" | || align="center" |
|-
| 35px|Habsburg || align="center" | Habsburg|| align="center" | || align="center" |
|-
| 35px|Hausen || align="center" | Hausen bei Brugg|| align="center" | || align="center" |
|-
| 35px|Lupfig || align="center" | Lupfig|| align="center" | || align="center" |
|-
| 35px|Mandach || align="center" | Mandach|| align="center" | || align="center" |
|-
| 35px|Mönthal || align="center" | Mönthal|| align="center" | || align="center" |
|-
| 35px|Mülligen || align="center" | Mülligen|| align="center" | || align="center" |
|-
| 35px|Remigen || align="center" | Remigen|| align="center" | || align="center" |
|-
| 35px|Riniken || align="center" | Riniken|| align="center" | || align="center" |
|-
| 35px|Rüfenach || align="center" | Rüfenach|| align="center" | || align="center" |
|-
| 35px|Schinznach || align="center" | Schinznach|| align="center" | || align="center" |
|-
| 35px|Thalheim || align="center" | Thalheim|| align="center" | || align="center" |
|-
| 35px|Veltheim || align="center" | Veltheim|| align="center" | || align="center" |
|-
| 35px|Villigen || align="center" | Villigen|| align="center" | || align="center" |
|-
| 35px|Windisch || align="center" | Windisch|| align="center" | || align="center" |
|- style="background-color:#EFEFEF;"
| align="center" |
| align="center" | Total || align="center" |
| align="center" | 130.08
|}
Mergers
The following changes to the district's municipalities have occurred since 2000:
- 2006: Stilli merged into Villigen
- On 1 January 2010 the municipality of Umiken merged into the municipality of Brugg. On the same date the municipalities of Hottwil in the Brugg district and Etzgen, Mettau, Oberhofen and Wil in the Laufenburg district merged to form the new municipality of Mettauertal. This resulted in Hottwil transferring from Brugg to Laufenburg.
- On 1 January 2013 the former municipalities of Gallenkirch, Linn, Oberbözberg and Unterbözberg merged to form the new municipality of Bözberg.
- 2014: Oberflachs and Schinznach-Dorf combined to create Schinznach.
- On 1 January 2018 the former municipality of Scherz merged into the municipality of Lupfig.
- On 1 January 2020 the former municipality of Schinznach-Bad merged into the municipality of Brugg.