| Index | Gridley | Kansas | National |
| Income per capita | $36,661 | $42,278 | $44,883 |
| Median household income | $75,985 | $81,041 | $81,333 |
| Median income owner occupied | $80,359 | $102,579 | $106,172 |
| Median income renter occupied | $53,635 | $49,666 | $52,080 |
| Median earnings male | $54,960 | $53,070 | $54,343 |
| Median earnings female | $24,147 | $35,993 | $38,439 |
| Unemployment rate | 3.6% | 3.7% | 4.9% |
| Poverty level | 10.0% | 13.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 24.0% | 24.0% |
| Manufacturing sector | 13.5% | 13.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 6.3% | 6.3% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 18.8% | 18.8% |
| Education, health & social services | 3.1% | 3.1% |
| Other | 34.4% | 34.4% |
| City | Population | Household Income | National Avg. |
| New Strawn, KS | 431 | $136,509 | 67.8% |
| Burlington, KS | 2,608 | $70,194 | 13.7% |
| Hartford, KS | 347 | $64,711 | 20.4% |
| LeRoy, KS | 603 | $64,403 | 20.8% |
| Madison, KS | 815 | $57,852 | 28.9% |
| Gridley, KS | 366 | $75,985 | 6.6% |
| City | Population | Household Income | National Avg. |
| Hodges, AL | 366 | $93,653 | 15.1% |
| Odessa, DE | 366 | $113,432 | 39.5% |
| Wacissa, FL | 366 | $0 | 100.0% |
| Latham, IL | 366 | $80,258 | 1.3% |
| Rock Island Arsenal, IL | 366 | $0 | 100.0% |
| Gridley, KS | 366 | $75,985 | 6.6% |