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As of the 2010 United States Census, Arnold, located in the Show-Me State, had a total population of 20,603 people.
City Statistics and Other Information About Arnold
Demographics
From a total population of 20,603, Arnold has a median age of 40.4. The average age of males, in Arnold, is 37.7 while the average age of females is 42. When you compare this to median age of Missouri, Arnold is 2.3 years older.
Income
The median income of individuals, in Arnold, is $27,081 while the average household income is $56,329. When comparing the median income of people living in Arnold to the rest of Missouri, the average income in Arnold is $1,075 more.