Walnut Creek, AZ has a population of 443 and is the 20,308th largest city in the United States. The population density is 289 per sq mi which is 402% higher than the Arizona average and 219% higher than the national average. The median age in Walnut Creek is 68 which is approximately 83% higher than the Arizona average of 37. In Walnut Creek, 84% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 5% of Walnut Creek residents were born in Arizona, 92% were born out of state, 3% were born outside of the United States and 0% were foreign born.
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The population density in Walnut Creek is 402% higher than Arizona.
The median age in Walnut Creek is 83% higher than Arizona.
In Walnut Creek 100.00% of the population is White.
In Walnut Creek 0.00% of the population is Black or African American.