Andalusia

County:: Rock Island County
County Seat:: No
Area (mi²):: 1.175
State:: Illinois

Andalusia is a village located in Rock Island County, Illinois. Andalusia has a 2025 population of 1,144. Andalusia is currently declining at a rate of -0.61% annually and its population has decreased by -3.13% since the most recent census, which recorded a population of 1,181 in 2020.

The average household income in Andalusia is $85,169 with a poverty rate of 5.37%.The median age in Andalusia is 52 years: 52.4 years for males, and 50.7 years for females.

Demographics

The racial composition of Andalusia includes 90.31% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	969	90.31%
Two or more races	86	8.01%
Black or African American	13	1.21%
Asian	5	0.47%

Andalusia Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Andalusia's average per capita income is $46,170. Household income levels show a median of $72,589. The poverty rate stands at 5.37%.

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	$104,432	-
Families	$84,000	$94,051
Households	$72,589	$85,169
Non Families	$60,547	$59,132

$46,170

Average Income

$72,589

Median Household Income

5.37%

Poverty Rate