Jarvis township

County:: Madison County
County Seat:: No
Area (mi²):: 35.445
State:: Illinois

Jarvis township is located in Madison County, Illinois. Jarvis township has a 2025 population of 16,102. Jarvis township is currently growing at a rate of 0.33% annually and its population has increased by 1.98% since the most recent census, which recorded a population of 15,790 in 2020.

The average household income in Jarvis township is $125,128 with a poverty rate of 1.92%.The median age in Jarvis township is 36.1 years: 35.4 years for males, and 37.2 years for females.

Demographics

The racial composition of Jarvis township includes 93.71% White, and smaller percentages for other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	14,856	93.71%
Two or more races	499	3.15%
Other race	201	1.27%
Black or African American	185	1.17%
Asian	90	0.57%
Native Hawaiian or Pacific Islander	22	0.14%

Jarvis township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jarvis township's average per capita income is $66,386. Household income levels show a median of $107,588. The poverty rate stands at 1.92%.

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	$139,556	-
Families	$126,122	$143,151
Households	$107,588	$125,128
Non Families	$58,704	$70,074

$66,386

Average Income

$107,588

Median Household Income

1.92%

Poverty Rate