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 2025 population of 412 . Hillsdale is currently declining at a rate of -0.24% annually and its population has decreased by -0.48% since the most recent census, which recorded a population of 414 in 2020.

The average household income in Hillsdale is $100,277 with a poverty rate of 16.97%. The median age in Hillsdale is 38.5 years: 38.7 years for males, and 37.5 years for females. For every 100 females there are 106.3 males.

412
Total Population
636
Density (mi²)
-1 -0.24%
Growth

Hillsdale 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)