| Index | Spring Garden | California | National |
| Income per capita | $0 | $45,980 | $44,883 |
| Median household income | $0 | $95,535 | $81,333 |
| Median income owner occupied | $0 | $130,228 | $106,172 |
| Median income renter occupied | $0 | $64,137 | $52,080 |
| Median earnings male | $0 | $52,776 | $54,343 |
| Median earnings female | $0 | $38,938 | $38,439 |
| Unemployment rate | 0.0% | 6.8% | 4.9% |
| Poverty level | 0.0% | 15.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | n/a | n/a |
| Manufacturing sector | n/a | n/a |
| Financial & insurance services | n/a | n/a |
| Wholesale & retail services | n/a | n/a |
| Public administration | n/a | n/a |
| Transportation, warehousing & utilities | n/a | n/a |
| Education, health & social services | n/a | n/a |
| Other | n/a | n/a |
| City | Population | Household Income | National Avg. |
| Keddie, CA | 69 | $161,947 | 99.1% |
| Plumas Eureka, CA | 372 | $119,300 | 46.7% |
| Cromberg, CA | 322 | $102,346 | 25.8% |
| East Quincy, CA | 2,367 | $92,336 | 13.5% |
| Quincy, CA | 1,769 | $81,403 | 0.1% |
| Spring Garden, CA | 19 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Red Devil, AK | 19 | $0 | 100.0% |
| Alamo Lake, AZ | 19 | $210,790 | 159.2% |
| Little Valley, CA | 19 | $0 | 100.0% |
| Redcrest, CA | 19 | $0 | 100.0% |
| Shoshone, CA | 19 | $215,601 | 165.1% |
| Spring Garden, CA | 19 | $0 | 100.0% |