Karns is a CDP located in Anderson County, Tennessee. Karns has a 2025 population of 4,981 . Karns is currently growing at a rate of 7.14% annually and its population has increased by 32.65% since the most recent census, which recorded a population of 3,755 in 2020.
The average household income in Karns is $108,697 with a poverty rate of 4.64%. The median age in Karns is 39.2 years: 39.6 years for males, and 38 years for females. For every 100 females there are 71.4 males.
Data after 2023 is projected based on recent change
The racial composition of Karns includes 88.55% White, 5.08% Black or African American, and smaller percentages for Asian, other race and multiracial populations.
White (88.55%)
Black or African American (5.08%)
Two or more races (4.62%)
Asian (0.94%)
Other race (0.81%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,396 | 88.55% |
| Black or African American | 195 | 5.08% |
| Two or more races | 177 | 4.62% |
| Asian | 36 | 0.94% |
| Other race | 31 | 0.81% |
Married
Widowed
Divorced
Separated
Never Married
Karns' average per capita income is $52,131. Household income levels show a median of $101,161. The poverty rate stands at 4.64%.
Name | Median | Mean |
|---|---|---|
| Married Families | $110,865 | - |
| Families | $103,680 | $116,850 |
| Households | $101,161 | $108,697 |
| Non Families | $85,565 | $87,638 |
Average Income
Median Household Income
Poverty Rate