Rio Arriba County, New Mexico

Rio Arriba County is a county in the U.S. state of New Mexico. As of the 2020 census, the population was 40,363. Its county seat is Tierra Amarilla. Its... Wikipedia

  • Founded:  1852
  • Named for:  location on the upper Rio Grande (río arriba means "upriver" in Spanish)
  • Seat:  Tierra Amarilla
  • Largest city:  Española
  • Total:  5,896 sq mi (15,270.57 km²)
  • Land:  5,861 sq mi (15,179.92 km²)
  • Water:  35 sq mi (90.65 km²), 0.6%
  • Density:  auto/sq mi (/km²)
  • Time zone:  Mountain: UTC-7-6
  • Website:  www.rio-arriba.org
  • Data source:  DuckDuckGo