Hennepin township Flag

Hennepin township

County:
Putnam County
County Seat:
No
Area (mi²):
41.389
State:
Illinois

Hennepin township is located in Putnam County, Illinois. Hennepin township has a 2026 population of 1,259. Hennepin township is currently growing at a rate of 0.8% annually and its population has increased by 1.86% since the most recent census, which recorded a population of 1,236 in 2020.

The median household income in Hennepin township is $89,306 with a poverty rate of 5.93%. The median age in Hennepin township is 46.9 years: 43.8 years for males, and 47.7 years for females. For every 100 females there are 106.3 males.

1.3K
Total Population
30
Density (mi²)
10 0.8%
Growth

Hennepin township Population

Hennepin township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,259100.8%
20251,249100.81%
20241,239100.81%
20231,22980.66%
20221,221-7-0.57%
20211,228-8-0.65%
20201,236-2-0.16%
20191,20020.17%
20181,19870.59%
20171,19100%
20161,191-5-0.42%
20151,196-22-1.81%
20141,218-6-0.49%
20131,224-13-1.05%
20121,237-17-1.36%
20111,254-7-0.56%
20101,26100%

Median Age

Overall: 46.9 years
Female: 47.7 years
Male: 43.8 years

Hennepin township Adults

There are 1,164 adults, (236 of whom are seniors) in Hennepin township.

Sex Ratio

Female: 699 (48.5%)
Male: 743 (51.5%)

Demographics

The racial composition of Hennepin township includes 93.97% White, and smaller percentages for Two or more races, Asian, other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,35593.97%
Two or more races412.84%
Asian271.87%
Other race171.18%
Black or African American20.14%
Race
Population ↓
Percentage (of total)
White332.29%
Two or more races191.32%
Other race171.18%
Race
Population ↓
Percentage (of total)
White1,32291.68%
Asian271.87%
Two or more races221.53%
Black or African American20.14%

Hennepin township Marital Status

Economics and Income Statistics

Hennepin township 's average per capita income is $57,188. Household income levels show a median of $89,306. The poverty rate stands at 5.93%.

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$132,981-
Families$119,837$118,523
Households$89,306$108,115
Non Families$46,667$67,821

$57,188

Average Income

$89,306

Median Household Income

5.93%

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)