South Weber, UT has a population of 6,762 and is the 5,304th largest city in the United States. The population density is 1,459 per sq mi which is 3548% higher than the Utah average and 1510% higher than the national average. The median age in South Weber is 30 which is approximately 3% lower than the Utah average of 30. In South Weber, 70% of the population over 15 years of age are married, 94% speak English and 4% speak Spanish. 71% of South Weber residents were born in Utah, 25% were born out of state, 2% were born outside of the United States and 2% were foreign born.