Andover is a city located in Butler County, Kansas. Andover has a 2025 population of 17,508 . Andover is currently growing at a rate of 2.99% annually and its population has increased by 16.98% since the most recent census, which recorded a population of 14,967 in 2020.
The average household income in Andover is $137,183 with a poverty rate of 3.21%. The median age in Andover is 36.2 years: 34.5 years for males, and 37.4 years for females. For every 100 females there are 98.6 males.
Data after 2023 is projected based on recent change
The racial composition of Andover includes 83.01% White, 4.38% Asian, 3.08% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (83.01%)
Two or more races (5.83%)
Asian (4.38%)
Black or African American (3.08%)
Other race (2.45%)
Native American (0.66%)
Native Hawaiian or Pacific Islander (0.59%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 12,873 | 83.01% |
| Two or more races | 904 | 5.83% |
| Asian | 679 | 4.38% |
| Black or African American | 478 | 3.08% |
| Other race | 380 | 2.45% |
| Native American | 103 | 0.66% |
| Native Hawaiian or Pacific Islander | 91 | 0.59% |
Married
Widowed
Divorced
Separated
Never Married
Andover's average per capita income is $62,902. Household income levels show a median of $106,676. The poverty rate stands at 3.21%.
Name | Median | Mean |
|---|---|---|
| Married Families | $140,186 | - |
| Families | $128,717 | $155,476 |
| Households | $106,676 | $137,183 |
| Non Families | $46,136 | $65,777 |
Average Income
Median Household Income
Poverty Rate