Hillsdale Flag

Hillsdale

County Seat:
No
Area (mi²):
0.648
State:
Illinois

Hillsdale is a village located in Rock Island County, Illinois. Hillsdale has a 2026 population of 413. Hillsdale is currently growing at a rate of 0.73% annually but its population has decreased by -0.24% since the most recent census, which recorded a population of 414 in 2020.

413
Total Population
637
Density (mi²)
3 0.73%
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)