Hillsdale Flag

Hillsdale

County Seat:
No
Area (mi²):
0.342
State:
Missouri

Hillsdale is a village located in St. Louis County, Missouri. Hillsdale has a 2026 population of 1,185. Hillsdale is currently declining at a rate of -0.25% annually and its population has decreased by -2.47% since the most recent census, which recorded a population of 1,215 in 2020.

1.2K
Total Population
3,460
Density (mi²)
-3 -0.25%
Growth

Nearby Cities

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)