|Year||Population||Rank in US||Growth Rate|
Based on the latest 2022 data from the US census, the current population of Arnold is 20,819. Arnold, Missouri is the 1,814th largest city in the US.
Arnold is located entirely in Jefferson County.
The peak population of Arnold was in 2020, when its population was 20,844. In 2020, Arnold was the 1,800th largest city in the US; now its fallen to the 1,814th largest city in the US. Arnold is currently 0.1% smaller than it was in 2020.
Arnold has grown 4.2% since the 2000. Arnold, Missouri's growth is below average. 68% of similarly sized cities are growing faster since 2000.
Arnold has a population density of 1,796.4 people per square mile.
|1808||Mill Creek, Washington||20,902||49.3%|
|1809||Fort Walton Beach, Florida||20,879||4.3%|
|1810||North Liberty, Iowa||20,875||280.7%|
|1813||West St. Paul, Minnesota||20,822||6.6%|
|1817||Glassboro, New Jersey||20,786||9.0%|
|1819||Lockport, New York||20,738||-6.6%|
The total voting age population of Arnold, Missouri, meaning US citizens 18 or older, is 16,174. The voting age population is 48.2% male and 51.8% female.
According to the latest census statistics, 18.1% of the residents of Arnold are 65 or older.
The racial demographics of Arnold are 97.9% White, 1.1% Two or more races, 0.5% Black, 0.3% American Indian, 0.2% Asian and 0.1% Other. Additionally, 1.7% of the population identifies as Hispanic.
In Arnold, 9.8% of residents have an income below the poverty line, and the child poverty rate is 14.8%. On a per-household basis, 6.4% of families are below the poverty line in Arnold.
Among those aged 16 and older, 62.8% of Arnold residents are in the labor force.
Among the adult population 25 years old and over, 88.6% of Arnold residents have at least a high school degree or equivalent, 19.6% have a bachelor's degree and 7.4% have a graduate or professional degree.
Among Arnold residents aged 5 and older, 5.4% of them speak a non-English language at home. Broken down by language: 0.9% of residents speak Spanish at home, 3.9% speak an Indo-European language, and 0.2% speak an Asian language.
The unemployment rate in Arnold is 4.9%, which is calculated among residents aged 16 or older who are in the labor force.
In Arnold, 7.9% of the residents in the non-military labor force are employed by the local, state and federal government.
The median household income in Arnold is $66,670.
In Arnold, 73.3% of housing units are occupied by their owners.
Renters occupy 26.7% of housing units in Arnold.
Of all the housing units in Arnold, 1.0% of them were build before 1940.
In Arnold, 15.5% of the total housing units were built after the year 2000, which is approximately 1,400 units.
The median gross monthly rent payment for renters in Arnold is $955.
In Arnold, 85.6% of households have an active broadband internet connection.