Hillsdale

County:: Rock Island County
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 403. Hillsdale is currently declining at a rate of -0.49% annually and its population has decreased by -2.42% since the most recent census, which recorded a population of 413 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.

Demographics

The racial composition of Hillsdale includes 91.41% White, 4.91% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	447	91.41%
Other race	24	4.91%
Two or more races	15	3.07%
Black or African American	3	0.61%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Hillsdale Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Hillsdale's average per capita income is $53,750. Household income levels show a median of $84,583. The poverty rate stands at 16.97%.

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	$106,875	-
Families	$103,036	$107,191
Households	$84,583	$100,277
Non Families	$49,167	$60,502

$53,750

Average Income

$84,583

Median Household Income

16.97%

Poverty Rate