Rio Arriba County Flag

Rio Arriba County

State:
New Mexico
County Seat:

Rio Arriba County's estimated 2025 population is 39,989 with a growth rate of 0.09% in the past year according to the most recent United States census data. Rio Arriba County is the 13th largest county in New Mexico. The 2010 population was 40,286 and has seen a growth of -0.74% since that time.

39,989
Total Population
7
Population Density (mi²)
13
Population Rank (State)
34 0.09%
Annual Population Growth

Rio Arriba County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)