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 412. Hillsdale is currently declining at a rate of 0% annually and its population has decreased by -0.48% since the most recent census, which recorded a population of 414 in 2020.

The median household income in Hillsdale is $86,250 with a poverty rate of 9.98%. The median age in Hillsdale is 45.4 years: 45.5 years for males, and 45.3 years for females. For every 100 females there are 107.8 males.

412
Total Population
636
Density (mi²)

Hillsdale Population

Hillsdale Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202641200%
2025412-1-0.24%
202441330.73%
202341020.49%
2022408-4-0.97%
2021412-2-0.48%
2020414-1-0.24%
2019503-2-0.4%
2018505-3-0.59%
2017508-2-0.39%
2016510-5-0.97%
2015515-2-0.39%
2014517-2-0.39%
2013519-1-0.19%
201252020.39%
2011518-5-0.96%
201051700%

Median Age

Overall: 45.4 years
Female: 45.3 years
Male: 45.5 years

Hillsdale Adults

There are 354 adults, (84 of whom are seniors) in Hillsdale.

Sex Ratio

Female: 217 (48.1%)
Male: 234 (51.9%)

Demographics

The racial composition of Hillsdale includes 89.36% White, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White40389.36%
Two or more races439.53%
Other race30.67%
Black or African American20.44%
Race
Population ↓
Percentage (of total)
White235.1%
Two or more races235.1%
Other race30.67%
Race
Population ↓
Percentage (of total)
White38084.26%
Two or more races204.43%
Black or African American20.44%

Hillsdale Marital Status

Economics and Income Statistics

Hillsdale 's average per capita income is $54,792. Household income levels show a median of $86,250. The poverty rate stands at 9.98%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$121,328-
Families$120,208$121,861
Households$86,250$106,805
Non Families$49,167$51,090

$54,792

Average Income

$86,250

Median Household Income

9.98%

Poverty Rate

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)