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 2025 population of 1,231. Hennepin township is currently growing at a rate of 0.33% annually but its population has decreased by -0.4% since the most recent census, which recorded a population of 1,236 in 2020.

The average household income in Hennepin township is $103,514 with a poverty rate of 11.62%.The median age in Hennepin township is 40.1 years: 40.8 years for males, and 39.8 years for females.

1.2K
Total Population
30
Density (mi²)
4 0.33%
Growth

Hennepin township Population

Demographics

Economics and Income Statistics

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)