Portland township

County:: Whiteside County
County Seat:: No
Area (mi²):: 34.701
State:: Illinois

Portland township is located in Whiteside County, Illinois. Portland township has a 2025 population of 417. Portland township is currently declining at a rate of 0% annually and its population has decreased by -1.65% since the most recent census, which recorded a population of 424 in 2020.

The average household income in Portland township is $97,295 with a poverty rate of 0%.The median age in Portland township is 45.1 years: 45.2 years for males, and 38.9 years for females.

Demographics

The racial composition of Portland township includes 95.6% White, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	348	95.6%
Two or more races	16	4.4%

Portland township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Portland township's average per capita income is $39,766. Household income levels show a median of $113,148. The poverty rate stands at 0%.

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	$113,426	-
Households	$113,148	$97,295
Families	$112,824	$96,756
Non Families	-	-

$39,766

Average Income

$113,148

Median Household Income

0%

Poverty Rate