| | Walker, MN | Pine River, MN | United States |
| Population | 949 | 912 | 329,725,481 |
| Female Population | 60.1% | 42.4% | 50.5% |
| Male Population | 39.9% | 57.6% | 49.5% |
| Median Age | 53.1 | 38.7 | 38.4 |
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| Population - 2010 | 945 | 944 | 309,327,143 |
| Population - 2000 | 1,069 | 928 | 285,036,114 |
| Population - 1990 | 950 | 871 | 251,960,433 |
| Pop. 2000 to Now | -13.2% | 0.5% | 15.6% |
| Pop. 1990 to Now | -2.3% | 7.1% | 30.8% |
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| Population Density | 371.4 | 755.6 | 93.4 |
| Land Area | 2.6 | 1.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Walker, MN | Pine River, MN | United States |
| Age 0 to 4 | 4.4% | 7.6% | 5.9% |
| Age 5 to 9 | 6.7% | 4.1% | 6.1% |
| Age 10 to 14 | 2.4% | 10.1% | 6.6% |
| Age 15 to 17 | 4.0% | 2.4% | 3.9% |
| Age 18 to 20 | 1.8% | 1.1% | 4.0% |
| Age 21 to 24 | 5.3% | 8.7% | 5.2% |
| Age 25 to 34 | 7.2% | 11.2% | 13.8% |
| Age 35 to 44 | 9.7% | 12.6% | 12.9% |
| Age 45 to 54 | 11.9% | 4.8% | 12.6% |
| Age 55 to 59 | 10.3% | 8.1% | 6.7% |
| Age 60 to 64 | 4.3% | 4.3% | 6.3% |
| Age 65 to 74 | 10.4% | 8.2% | 9.6% |
| Age 75 to 84 | 14.1% | 10.5% | 4.5% |
| Age 85 and over | 7.4% | 6.4% | 1.9% |
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| Race | | | |
| | Walker, MN | Pine River, MN | United States |
| White | 79.9% | 95.7% | 59.4% |
| Black | 0.9% | 0.0% | 12.2% |
| Asian | 0.3% | 0.0% | 5.6% |
| Native American | 7.9% | 2.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 8.7% | 1.5% | 3.2% |
| Hispanic | 2.2% | 0.8% | 18.4% |
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| Marriage & Family | | | |
| | Walker, MN | Pine River, MN | United States |
| Married Population | 27.2% | 38.1% | 49.8% |
| Currently Married | 25.2% | 37.7% | 48.0% |
| Married but Separated | 2.0% | 0.4% | 1.8% |
| Single Population | 72.8% | 61.9% | 50.2% |
| Never Married | 38.8% | 34.5% | 33.8% |
| Divorced | 21.2% | 18.1% | 10.8% |
| Widowed | 12.8% | 9.4% | 5.6% |
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| Household Size | 1.91 | 2.09 | 2.60 |
| Households | 445 | 399 | 124,010,992 |
| Family Households | 174 | 185 | 80,755,759 |
| Married couple, w/children | 5.7% | 24.9% | 30.5% |
| Married couple, no children | 42.0% | 30.8% | 42.9% |
| Non Family Households | 271 | 214 | 43,255,233 |
| Single householder, w/children | 38.5% | 37.8% | 15.8% |
| Single householder, no children | 13.8% | 6.5% | 10.8% |