Comparison to Surrounding Areas
The median household income ($56,111) for 66840 is less than the median household income for 66842 ($73,125), 66866 ($58,705), 67042 ($62,857), 67114 ($70,018), Chase County ($56,484), Marion County ($64,695), and Butler County ($81,610). But it's more than 66843 ($37,422), 66851 ($48,162), 67123 ($52,063), and Burns city ($42,292).
| 66840 | $56,111 |
| Burns city | $42,292 |
| Butler County | $81,610 |
| Chase County | $56,484 |
| Marion County | $64,695 |
Get Median Household Income for all Zip Codes in Kansas.
The average household income ($61,105) for 66840 is less than the average household income for 67123 ($63,711), 66866 ($68,697), 67042 ($75,658), 67114 ($83,635), 66842 ($110,817), 66843 ($67,503), Chase County ($83,466), Marion County ($86,234), and Butler County ($102,506). But it's more than 66851 ($57,496) and Burns city ($58,751).
| 66840 | $61,105 |
| Burns city | $58,751 |
| Butler County | $102,506 |
| Chase County | $83,466 |
| Marion County | $86,234 |
Get Average Household Income for all Zip Codes in Kansas.
The per-capita income for 66840 is $27,276. The per capita income ($27,276) for 66840 is less than the per capita income for 67123 ($32,085), 66866 ($27,595), 67042 ($29,766), 67114 ($35,230), 66842 ($65,657), 66843 ($43,353), 66851 ($28,896), Chase County ($37,592), Marion County ($35,893), and Butler County ($38,711). But it's more than Burns city ($24,552).
| 66840 | $27,276 |
| Burns city | $24,552 |
| Butler County | $38,711 |
| Chase County | $37,592 |
| Marion County | $35,893 |
Get Per-Capita Income for all Zip Codes in Kansas.
0% of households make over $200,000 a year. The percent high income households (0.0%) for 66840 is less than 67123 (1.2%), 66866 (2.4%), 67042 (3.3%), 67114 (5.4%), 66842 (15.0%), 66843 (7.7%), 66851 (0.9%), Chase County (5.2%), Marion County (4.8%), and Butler County (9.3%). And it's the same as Burns city (0.0%).
| 66840 | 0.0% |
| Burns city | 0.0% |
| Butler County | 9.3% |
| Chase County | 5.2% |
| Marion County | 4.8% |
Get High Income Households for all Zip Codes in Kansas.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 66840 | $-1 | $45,750 | $107,500 | $48,750 |
| Burns city | $-1 | $45,750 | $97,917 | $31,563 |
| Butler County | $41,816 | $93,087 | $99,722 | $56,482 |
| Chase County | $50,962 | $55,700 | $100,433 | $41,020 |
| Marion County | $44,875 | $78,013 | $72,455 | $53,661 |
Get Median Household Income by Age of Householder for all Zip Codes in Kansas.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 66840 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 66840 | +/-$7,617 | +/-$9,431 | +/-$3,090 | +/-13.4% | +/-$-1 | +/-$4,299 | +/-$13,095 | +/-$23,376 |
| Burns city | +/-$8,827 | +/-$11,612 | +/-$3,726 | +/-23.4% | +/-$-1 | +/-$4,299 | +/-$31,621 | +/-$8,991 |
| Butler County | +/-$3,426 | +/-$3,998 | +/-$1,491 | +/-1.1% | +/-$8,541 | +/-$5,864 | +/-$9,935 | +/-$4,623 |
| Chase County | +/-$3,845 | +/-$14,258 | +/-$6,413 | +/-3.0% | +/-$17,425 | +/-$10,748 | +/-$10,891 | +/-$3,968 |
| Marion County | +/-$4,593 | +/-$8,701 | +/-$3,481 | +/-1.4% | +/-$8,854 | +/-$10,408 | +/-$3,708 | +/-$6,131 |