Holliston Flag

Holliston

County Seat:
No
Area (mi²):
18.655
State:
Massachusetts

Holliston is located in Middlesex County, Massachusetts. Holliston has a 2025 population of 15,495 . Holliston is currently growing at a rate of 0.96% annually and its population has increased by 3.38% since the most recent census, which recorded a population of 14,988 in 2020.

The average household income in Holliston is $194,643 with a poverty rate of 3.17%. The median age in Holliston is 45.1 years: 44.8 years for males, and 45.3 years for females. For every 100 females there are 103.4 males.

15.5K
Total Population
831
Density (mi²)
148 0.96%
Growth

Holliston Population

Demographics

Economics and Income Statistics

Sources

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