Wickenburg, AZ has a population of 6,766 and is the 5,303rd largest city in the United States. The population density is 264 per sq mi which is 359% higher than the Arizona average and 191% higher than the national average. The median age in Wickenburg is 60 which is approximately 60% higher than the Arizona average of 37. In Wickenburg, 65% of the population over 15 years of age are married, 89% speak English and 10% speak Spanish. 26% of Wickenburg residents were born in Arizona, 67% were born out of state, 0% were born outside of the United States and 7% were foreign born.