Population Less than 25,000: Sebastopol World Friends

Population Between 25,001 – 50,000: The Corvallis – Gondar Sister Cities Association

Population Between 50,001 – 100,000: Santa Barbara/Puerto Vallarta Sister City Committee

Population Between 100,001 – 300,000: Lexington Sister Cities

Population Between 300,001 – 500,000: Sister Cities Association of Virginia Beach

Population Greater than 500,001: Chicago Sister Cities International

Arts and Culture

• Population Less than 100,000: Rehoboth Beach Sister Cities Association
• Population Between 100,001 – 500,000: Tachikawa – San Bernardino Sister City Committee Inc.
• Population Greater than 500,001: Ulaanbaatar – Denver Sister Cities Committee

Humanitarian Assistance

• Population Between 100,001 – 500,000: Richmond Sister Cities Commission
• Population Greater than 500,001: Milwaukee County / Buffalo City

Youth and Education

• Population Less than 100,000: Sister Cities Essex Haiti, Inc.
• Population Between 100,001 – 500,000: Eugene – Chinju Sister City Committee
• Population Greater than 500,001: Fresno Sister Cities