Arnold is a CDP located in Anne Arundel County, Maryland. Arnold has a 2025 population of 25,255 . Arnold is currently growing at a rate of 0.57% annually and its population has increased by 3.78% since the most recent census, which recorded a population of 24,334 in 2020.
The average household income in Arnold is $170,720 with a poverty rate of 3.01%. The median age in Arnold is 38.2 years: 38.3 years for males, and 38 years for females. For every 100 females there are 96.4 males.
Data after 2023 is projected based on recent change
The racial composition of Arnold includes 81.2% White, 4.58% Black or African American, 3.97% Asian, and smaller percentages for other race, Native American and multiracial populations.
White (81.2%)
Two or more races (8.99%)
Black or African American (4.58%)
Asian (3.97%)
Other race (1.07%)
Native American (0.19%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 19,379 | 81.2% |
| Two or more races | 2,146 | 8.99% |
| Black or African American | 1,094 | 4.58% |
| Asian | 947 | 3.97% |
| Other race | 255 | 1.07% |
| Native American | 45 | 0.19% |
Married
Widowed
Divorced
Separated
Never Married
Arnold's average per capita income is $82,785. Household income levels show a median of $137,799. The poverty rate stands at 3.01%.
Name | Median | Mean |
|---|---|---|
| Married Families | $163,838 | - |
| Families | $153,640 | $185,365 |
| Households | $137,799 | $170,720 |
| Non Families | $79,213 | $98,393 |
Average Income
Median Household Income
Poverty Rate