Lawrenceville, IL has a population of 4,464 and is the 6,957th largest city in the United States. The population density is 2,034 per sq mi which is 815% higher than the Illinois average and 2145% higher than the national average. The median age in Lawrenceville is 42 which is approximately 11% higher than the Illinois average of 37. In Lawrenceville, 65% of the population over 15 years of age are married, 95% speak English and 3% speak Spanish. 57% of Lawrenceville residents were born in Illinois, 40% were born out of state, 0% were born outside of the United States and 2% were foreign born.