66540 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Kansas based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 66540 is White. The current unemployment level in 66540 is 3.8%.
| Population | 616 |
| Population Growth Rate | 39.27% |
| Population Density | 9 People per Square Mile |
| Total Households | 206 |
| Median Household Income (2021) | $53,816 |
| Average Adjusted Gross Income (2021) | $148,000 |
| Current Unemployment Rate (May 2026) | 3.8% |
| Sales Tax Rate (2025) | 8.0% |
| Majority Race/Ethnicty | White - 98.40% |
66540 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 553 | 98.4% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 9 | 1.6% |
| Hawaiian/Pac. Islander | 0 | 0% |
66540 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 18 | 5.52% |
| Bachelor Degree | 39 | 11.96% |
| High School Diploma | 169 | 51.84% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 62 | 19.02% |
| Associates Degree | 21 | 6.44% |
| Masters Degree | 17 | 5.21% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |