Northumberland County Flag

Northumberland County

State:
Virginia
County Seat:
Heathsville

Northumberland County's estimated 2026 population is 12,415 with a growth rate of 0.07% in the past year according to the most recent United States census data. Northumberland County is the 107th largest county in Virginia. The 2010 population was 12,356 and has seen a growth of 0.48% since that time.

12,415
Total Population
65
Population Density (mi²)
107
Population Rank (State)
9 0.07%
Annual Population Growth

Northumberland County Population

Demographics

Economics and Income Statistics