Mexican Border Town Near Yuma, AZ & San Luis, AZ: San Luis Río Colorado

The Mexican town directly across from San Luis, Arizona (and closest to Yuma) is San Luis Río Colorado, Sonora.

Details

• Border crossing: San Luis Port of Entry (AZ) ↔ San Luis Río Colorado (Sonora).
• Distance from Yuma: ~25 miles (40 km) southwest via US-95 / MX-2.
• Population: ~200,000 (metro).
• Economy: Agriculture (winter vegetables), maquiladoras, cross-border retail, medical/dental tourism.

It's a sister-city pair: San Luis, AZ (pop. ~35K) and San Luis Río Colorado (pop. ~200K) form a binational community.