Round Rock CDP, Arizona Demographics & Population 2026

Population Overview

Round Rock CDP is a small community located in Arizona. The total population is 543. It ranks as the 268th most populous out of 445 cities and towns in Arizona.

Age Demographics

The median age in Round Rock CDP is 25.9 years. This is 33% lower than the state median of 38.8 years. With 42.4% of the population under 18, Round Rock CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Round Rock CDP is $43,571. This is 43% lower than the state median of $76,872. Compared to the national median of $78,538, household income here is 45% lower. The poverty rate stands at 39.0%. This is 206% higher than the state poverty rate of 12.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 19.3%. This is 272% higher than the state rate of 5.2%. The median home value is $58,100. Housing costs are 84% lower than the state median of $358,900. With a home-value-to-income ratio of just 1.3x, Round Rock CDP is one of the most affordable housing markets in the area. 81.3% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 67.0%.

Race & Ethnicity

Round Rock CDP is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. The Hispanic or Latino population (4.4%) is well below the state average of 31.0%.

Education

11.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 65% lower than the state rate of 32.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 81.9%.

Data Sources & Methodology

All demographic data for Round Rock CDP, Arizona is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Arizona state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 445 Census-designated places in Arizona. For official data, visit data.census.gov.