Washington County (population 500,585) is west of the city of Portland. A few of the larger cities in this county are Beaverton, Hillsboro, Tigard, Aloha and Forest Grove. Like in most Portland suburban neighborhoods, the Surenos and Nortenos gangs are most dominant. Below is a listing of gangs active in this area.

SURENOS 13

• Blue Devils
• Brown Crowd Raza
• Highland
  
• Hillside 12th Street
• Lil Angelito Pachucos
• Paso Robles Boys
• South Side Locos
  
• Sur Trece Califas
  
• Tiny Boy Surenos
  
• West Side Thug Family
• West Side Varrio Tepa
• Brown Rascals (BRLS)
• Winos (WNS)
• West Side 18th Street
• Tiny Winos

NORTENOS 14

• North Side Villains
  

OTHER GANGS

• North Side Mob Bloods