Alexander County Flag

Alexander County

State:
Illinois
County Seat:
Cairo

Alexander County's estimated 2025 population is 4,403 with a growth rate of -3.21% in the past year according to the most recent United States census data. Alexander County is the 98th largest county in Illinois. The 2010 population was 8,205 and has seen a growth of -46.34% since that time.

4,403
Total Population
19
Population Density (mi²)
98
Population Rank (State)
-146 -3.21%
Annual Population Growth

Alexander County Population

Alexander County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Alexander County includes 63.19% White, 32.57% Black or African American, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White3,18663.19%
Black or African American1,64232.57%
Two or more races1993.95%
Asian150.3%

Alexander County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Alexander County's average per capita income is $36,973. Household income levels show a median of $43,523. The poverty rate stands at 21.01%.

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$80,833-
Families$60,875$79,541
Households$43,523$59,752
Non Families$21,615$30,913

$36,973

Average Income

$43,523

Median Household Income

21.01%

Poverty Rate