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, Native American and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Native American

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%
Native American	0	0%

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