Arnold is a city located in Jefferson County Missouri. With a 2023 population of 20,873, it is the 36th largest city in Missouri and the 2220th largest city in the United States.Arnold is currently growing at a rate of 0.02% annually but its population has decreased by -1.28% since the most recent census, which recorded a population of 21,144 in 2020. Spanning over 12 miles, Arnold has a population density of 1,811 people per square mile.
The average household income in Arnold is $75,675 with a poverty rate of 10.45%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Arnold is 40.3 years, 37.8 years for males, and 43.3 years for females.
According to the most recent ACS, the racial composition of Arnold was:
White
Two or more races
Asian
Black or African American
Native American
Other race
Native Hawaiian or Pacific Islander
2.98
Average Family Size
2.46
Average Household Size
74.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among black people with a rate of 50.00%.
All
Male
Female
$43,105
Average Earnings
$53,055
Average Male
$36,149
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
92.77% of Arnold residents speak only English, while 7.23% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 5.38% of the population.
rate
10.45%
Overall Poverty Rate
6.54%
Male Poverty Rate
10.57%
Female Poverty Rate
The race most likely to be in poverty in Arnold is Asian, with 60.81% below the poverty level.
The race least likely to be in poverty in Arnold is Hispanic, with 2.53% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.04%. Among those working part-time, it was 9.15%, and for those that did not work, the poverty rate was 14.53%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
52.0%
Overall Marriage Rate
53.8%
Male Marriage Rate
50.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
1,388
Number of Veterans
1,358
Male Veterans
30
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0.58%
Veteran Poverty Rate
28.16%
Veteran Disability Rate
LaborForceParticipation
63.6%
Labor Force Participation
60.7%
Employment Rate
3.3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
78.41%
Born in Arnold
96.46%
Native Born
4.91%
Foreign Born
2.10%
Non Citizen
2.81%
Naturalized
96.46% of Arnold residents were born in the United States, with 78.41% having been born in Missouri. 2.10% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.