| Index | North Sioux City | South Dakota | National |
| Income per capita | $50,082 | $41,166 | $44,883 |
| Median household income | $79,747 | $77,914 | $81,333 |
| Median income owner occupied | $138,330 | $100,475 | $106,172 |
| Median income renter occupied | $52,691 | $45,187 | $52,080 |
| Median earnings male | $52,046 | $52,540 | $54,343 |
| Median earnings female | $40,175 | $36,073 | $38,439 |
| Unemployment rate | 2.6% | 2.9% | 4.9% |
| Poverty level | 12.3% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 9.6% | 9.6% |
| Manufacturing sector | 28.1% | 28.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 13.9% | 13.9% |
| Public administration | 1.6% | 1.6% |
| Transportation, warehousing & utilities | 5.7% | 5.7% |
| Education, health & social services | 7.4% | 7.4% |
| Other | 32.7% | 32.7% |
| City | Population | Household Income | National Avg. |
| Dakota Dunes, SD | 3,304 | $153,791 | 89.1% |
| Sergeant Bluff, IA | 5,066 | $140,191 | 72.4% |
| Hinton, IA | 837 | $126,687 | 55.8% |
| Bronson, IA | 334 | $113,608 | 39.7% |
| Dakota City, NE | 2,297 | $111,302 | 36.8% |
| North Sioux City, SD | 2,944 | $79,747 | 2.0% |
| City | Population | Household Income | National Avg. |
| Eufaula, OK | 2,943 | $69,717 | 14.3% |
| Cetronia, PA | 2,943 | $134,941 | 65.9% |
| Chincoteague, VA | 2,943 | $80,079 | 1.5% |
| Welch, WV | 2,943 | $38,323 | 52.9% |
| Gowanda, NY | 2,945 | $61,849 | 24.0% |
| North Sioux City, SD | 2,944 | $79,747 | 2.0% |