
Merrimac
- County:
- Montgomery County
- County Seat:
- No
- Area (mi²):
- 1.718
- State:
- Virginia
Merrimac is a CDP located in Montgomery County, Virginia. Merrimac has a 2025 population of 2,866. Merrimac is currently growing at a rate of 1.74% annually but its population has decreased by -0.93% since the most recent census, which recorded a population of 2,893 in 2020.
The average household income in Merrimac is $72,858 with a poverty rate of 11.84%. The median age in Merrimac is 43.1 years: 34 years for males, and 47 years for females.