Jarvis township Flag

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 2026 population of 16,273. Jarvis township is currently growing at a rate of 0.51% annually and its population has increased by 3.05% since the most recent census, which recorded a population of 15,791 in 2020.

The median household income in Jarvis township is $118,443 with a poverty rate of 2.12%. The median age in Jarvis township is 36.2 years: 34.7 years for males, and 38.2 years for females. For every 100 females there are 97.3 males.

16.3K
Total Population
459
Density (mi²)
83 0.51%
Growth

Jarvis township Population

Jarvis township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202616,273830.51%
202516,190830.52%
202416,107830.52%
202316,024710.45%
202215,953850.54%
202115,868770.49%
202015,79180.05%
201914,618740.51%
201814,544640.44%
201714,480970.67%
201614,383630.44%
201514,320270.19%
201414,29300%
201314,293270.19%
201214,266-12-0.08%
201114,278460.32%
201014,251160.11%

Median Age

Overall: 36.2 years
Female: 38.2 years
Male: 34.7 years

Jarvis township Adults

There are 11,348 adults, (2,177 of whom are seniors) in Jarvis township.

Sex Ratio

Female: 8,086 (50.7%)
Male: 7,865 (49.3%)

Demographics

The racial composition of Jarvis township includes 91.88% 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

Race
Population ↓
Percentage (of total)
White14,65591.88%
Two or more races8375.25%
Other race2001.25%
Black or African American1480.93%
Asian780.49%
Native Hawaiian or Pacific Islander200.13%
Native American130.08%
Race
Population ↓
Percentage (of total)
Two or more races1711.07%
Other race1681.05%
White750.47%
Native American130.08%
Race
Population ↓
Percentage (of total)
White14,58091.4%
Two or more races6664.18%
Black or African American1480.93%
Asian780.49%
Other race320.2%
Native Hawaiian or Pacific Islander200.13%

Jarvis township Marital Status

Economics and Income Statistics

Jarvis township 's average per capita income is $70,143. Household income levels show a median of $118,443. The poverty rate stands at 2.12%.

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$143,944-
Families$131,773$144,580
Households$118,443$132,432
Non Families$61,520$87,816

$70,143

Average Income

$118,443

Median Household Income

2.12%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)