| Index | Clay Center | Kansas | National |
| Income per capita | $37,639 | $42,278 | $44,883 |
| Median household income | $63,195 | $81,041 | $81,333 |
| Median income owner occupied | $93,184 | $102,579 | $106,172 |
| Median income renter occupied | $37,819 | $49,666 | $52,080 |
| Median earnings male | $68,328 | $53,070 | $54,343 |
| Median earnings female | $30,939 | $35,993 | $38,439 |
| Unemployment rate | 1.7% | 3.7% | 4.9% |
| Poverty level | 7.4% | 13.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 19.4% | 19.4% |
| Manufacturing sector | 14.6% | 14.6% |
| Financial & insurance services | 1.0% | 1.0% |
| Wholesale & retail services | 12.9% | 12.9% |
| Public administration | 3.7% | 3.7% |
| Transportation, warehousing & utilities | 7.2% | 7.2% |
| Education, health & social services | 22.2% | 22.2% |
| Other | 15.6% | 15.6% |
| City | Population | Household Income | National Avg. |
| Green, KS | 151 | $98,963 | 21.7% |
| Leonardville, KS | 661 | $84,904 | 4.4% |
| Milford, KS | 361 | $69,218 | 14.9% |
| Clyde, KS | 828 | $68,964 | 15.2% |
| Wakefield, KS | 990 | $65,938 | 18.9% |
| Clay Center, KS | 4,118 | $63,195 | 22.3% |
| City | Population | Household Income | National Avg. |
| Waynesburg, PA | 4,118 | $57,210 | 29.7% |
| Planada, CA | 4,117 | $68,940 | 15.2% |
| Palmer Heights, PA | 4,117 | $141,533 | 74.0% |
| Springfield, GA | 4,119 | $76,483 | 6.0% |
| Kimberly, ID | 4,119 | $97,028 | 19.3% |
| Clay Center, KS | 4,118 | $63,195 | 22.3% |