| | Lebanon, IN | Lafayette, IN | United States |
| Population | 17,196 | 70,928 | 329,725,481 |
| Female Population | 53.5% | 50.1% | 50.5% |
| Male Population | 46.5% | 49.9% | 49.5% |
| Median Age | 36.3 | 32.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 15,774 | 68,926 | 309,327,143 |
| Population - 2000 | 14,222 | 56,397 | 285,036,114 |
| Population - 1990 | 12,059 | 43,764 | 251,960,433 |
| Pop. 2000 to Now | 13.4% | 26.8% | 15.6% |
| Pop. 1990 to Now | 33.7% | 63.3% | 30.8% |
| space4 | | | |
| Population Density | 1,100.8 | 2,414.3 | 93.4 |
| Land Area | 15.6 | 29.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Lebanon, IN | Lafayette, IN | United States |
| Age 0 to 4 | 5.8% | 7.8% | 5.9% |
| Age 5 to 9 | 5.5% | 6.3% | 6.1% |
| Age 10 to 14 | 7.6% | 6.1% | 6.6% |
| Age 15 to 17 | 4.2% | 3.2% | 3.9% |
| Age 18 to 20 | 3.9% | 3.3% | 4.0% |
| Age 21 to 24 | 6.2% | 9.2% | 5.2% |
| Age 25 to 34 | 14.8% | 18.0% | 13.8% |
| Age 35 to 44 | 13.1% | 13.0% | 12.9% |
| Age 45 to 54 | 10.4% | 9.6% | 12.6% |
| Age 55 to 59 | 7.4% | 4.9% | 6.7% |
| Age 60 to 64 | 6.0% | 5.3% | 6.3% |
| Age 65 to 74 | 8.3% | 7.9% | 9.6% |
| Age 75 to 84 | 4.1% | 3.8% | 4.5% |
| Age 85 and over | 2.6% | 1.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Lebanon, IN | Lafayette, IN | United States |
| White | 90.4% | 73.4% | 59.4% |
| Black | 1.1% | 8.7% | 12.2% |
| Asian | 0.3% | 1.8% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 1.8% | 2.5% | 3.2% |
| Hispanic | 6.3% | 13.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Lebanon, IN | Lafayette, IN | United States |
| Married Population | 47.0% | 42.3% | 49.8% |
| Currently Married | 46.1% | 40.4% | 48.0% |
| Married but Separated | 0.9% | 1.9% | 1.8% |
| Single Population | 53.0% | 57.7% | 50.2% |
| Never Married | 30.4% | 38.0% | 33.8% |
| Divorced | 15.7% | 14.5% | 10.8% |
| Widowed | 6.9% | 5.2% | 5.6% |
| space5 | | | |
| Household Size | 2.35 | 2.22 | 2.60 |
| Households | 7,092 | 31,362 | 124,010,992 |
| Family Households | 4,345 | 16,889 | 80,755,759 |
| Married couple, w/children | 28.7% | 24.3% | 30.5% |
| Married couple, no children | 41.7% | 39.4% | 42.9% |
| Non Family Households | 2,747 | 14,473 | 43,255,233 |
| Single householder, w/children | 23.0% | 24.5% | 15.8% |
| Single householder, no children | 6.6% | 11.8% | 10.8% |