Holt, AL has a population of 3,728 and is the 7,768th largest city in the United States. The population density is 1,178 per sq mi which is 1181% higher than the Alabama average and 1201% higher than the national average. The median age in Holt is 30 which is approximately 22% lower than the Alabama average of 39. In Holt, 45% of the population over 15 years of age are married, 80% speak English and 20% speak Spanish. 76% of Holt residents were born in Alabama, 12% were born out of state, 0% were born outside of the United States and 12% were foreign born.