Arnold township Flag

Arnold township

County Seat:
No
Area (mi²):
11.528
State:
Missouri

Arnold township is located in Jefferson County, Missouri. Arnold township has a 2025 population of 20,884. Arnold township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Arnold township is $88,067 with a poverty rate of 7.71%.The median age in Arnold township is 39.9 years: 38.7 years for males, and 42.9 years for females.

20.9K
Total Population
1,812
Density (mi²)
0 0%
Growth

Arnold 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)