| PEOPLE | Duluth | Elk Grove | United States |
| Population | 86,265 | 153,015 | 308,035,306 |
| Pop. Density | 1,272 | 3,627 | 87 |
| Pop. Change | -0.31% | 91.17% | 8.07% |
| Median Age | 33.8 | 34.3 | 37.3 |
| Households | 35,705 | 47,927 | 116,716,292 |
| Household Size | 2.23 | 3.18 | 2.58 |
| Male Population | 48.97% | 48.42% | 49.27% |
| Female Population | 51.03% | 51.58% | 50.96% |
| Married Population | 37.77% | 53.93% | 47.02% |
| Single Population | 62.23% | 46.07% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.56% | 7.23% | 6.56% |
| Age 5 to 9 | 4.98% | 8.25% | 6.61% |
| Age 10 to 14 | 4.65% | 9.04% | 6.71% |
| Age 15 to 17 | 3.31% | 5.62% | 4.21% |
| Age 18 to 20 | 5.60% | 2.94% | 2.95% |
| Age 21 to 24 | 13.96% | 5.64% | 7.01% |
| Age 25 to 34 | 13.36% | 12.19% | 13.33% |
| Age 35 to 44 | 10.06% | 15.71% | 13.33% |
| Age 45 to 49 | 12.89% | 15.24% | 14.61% |
| Age 50 to 54 | 12.89% | 15.24% | 14.61% |
| Age 55 to 59 | 11.88% | 9.81% | 11.84% |
| Age 60 to 64 | 11.88% | 9.81% | 11.84% |
| Age 65 to 74 | 6.34% | 4.82% | 7.05% |
| Age 75 to 84 | 4.71% | 2.56% | 4.24% |
| Age 85 and over | 2.70% | 0.94% | 1.78% |
| RACE | | | |
| White | 90.38% | 46.06% | 72.41% |
| Black | 2.30% | 11.22% | 12.61% |
| Asian | 1.50% | 26.31% | 4.75% |
| American Indian | 2.47% | 0.63% | 0.95% |
| Other | 3.34% | 15.78% | 9.28% |
| Hispanic | 9.89% | 11.51% | 16.35% |
| Non-Hispanic | 90.11% | 88.49% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.41% | 42.56% | 30.42% |
| Married, no children | 45.62% | 33.47% | 42.46% |
| Single, w/children | 17.66% | 13.68% | 14.39% |
| Single, no children | 11.31% | 10.29% | 12.73% |
| Divorced | 12.70% | 8.65% | 10.62% |
| Separated | 3.68% | 3.86% | 4.97% |
| Widowed | 6.48% | 3.71% | 6.14% |
| Now Married | 38.48% | 53.50% | 46.32% |
| Never Married | 38.65% | 30.29% | 31.95% |