Belmont County Flag

Belmont County

State:
Ohio
County Seat:
St. Clairsville

Belmont County's estimated 2025 population is 64,404 with a growth rate of -0.45% in the past year according to the most recent United States census data. Belmont County is the 38th largest county in Ohio. The 2010 population was 70,337 and has seen a growth of -8.44% since that time.

64,404
Total Population
121
Population Density (mi²)
38
Population Rank (State)
-288 -0.45%
Annual Population Growth

Belmont 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)