| Index | Gridley | California | National |
| Income per capita | $31,167 | $45,980 | $44,883 |
| Median household income | $74,277 | $95,535 | $81,333 |
| Median income owner occupied | $101,178 | $130,228 | $106,172 |
| Median income renter occupied | $62,540 | $64,137 | $52,080 |
| Median earnings male | $49,184 | $52,776 | $54,343 |
| Median earnings female | $44,520 | $38,938 | $38,439 |
| Unemployment rate | 5.2% | 6.8% | 4.9% |
| Poverty level | 9.5% | 15.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 6.9% | 6.9% |
| Manufacturing sector | 14.9% | 14.9% |
| Financial & insurance services | 0.8% | 0.8% |
| Wholesale & retail services | 25.2% | 25.2% |
| Public administration | 5.5% | 5.5% |
| Transportation, warehousing & utilities | 7.3% | 7.3% |
| Education, health & social services | 2.3% | 2.3% |
| Other | 36.6% | 36.6% |
| City | Population | Household Income | National Avg. |
| Sutter, CA | 2,849 | $119,408 | 46.8% |
| Oroville East, CA | 8,405 | $109,063 | 34.1% |
| Biggs, CA | 2,737 | $95,567 | 17.5% |
| South Oroville, CA | 2,685 | $76,079 | 6.5% |
| Marysville, CA | 12,718 | $70,849 | 12.9% |
| Gridley, CA | 7,347 | $74,277 | 8.7% |
| City | Population | Household Income | National Avg. |
| Independence, OH | 7,346 | $159,436 | 96.0% |
| Seminole, OK | 7,348 | $49,047 | 39.7% |
| River Park, FL | 7,343 | $62,868 | 22.7% |
| Rockland, ME | 7,343 | $70,417 | 13.4% |
| Chandler, QC | 7,341 | n/a | |
| Gridley, CA | 7,347 | $74,277 | 8.7% |