Gardner is located in Johnson County, Kansas. Gardner has a 2025 population of 2,558 . Gardner is currently growing at a rate of 0.47% annually and its population has increased by 0.95% since the most recent census, which recorded a population of 2,534 in 2020.
The average household income in Gardner is $131,888 with a poverty rate of 13.09%. The median age in Gardner is 39.6 years: 37.5 years for males, and 43.6 years for females. For every 100 females there are 166.6 males.
Data after 2023 is projected based on recent change
The racial composition of Gardner includes 85.1% White, 8.49% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.
White (85.1%)
Black or African American (8.49%)
Two or more races (3.72%)
Asian (1.25%)
Other race (1.1%)
Native Hawaiian or Pacific Islander (0.35%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,176 | 85.1% |
| Black or African American | 217 | 8.49% |
| Two or more races | 95 | 3.72% |
| Asian | 32 | 1.25% |
| Other race | 28 | 1.1% |
| Native Hawaiian or Pacific Islander | 9 | 0.35% |
Married
Widowed
Divorced
Separated
Never Married
Gardner's average per capita income is $34,097. Household income levels show a median of $102,292. The poverty rate stands at 13.09%.
Name | Median | Mean |
|---|---|---|
| Married Families | $137,063 | - |
| Families | $114,250 | $132,860 |
| Households | $102,292 | $131,888 |
| Non Families | $73,750 | $126,339 |
Average Income
Median Household Income
Poverty Rate