Sienna CDP, Texas Demographics & Population 2026

Population Overview

Sienna CDP is a mid-sized community located in Texas. The total population is 25,025. It ranks as the 132nd most populous out of 1,800 cities and towns in Texas.

Age Demographics

The median age in Sienna CDP is 35.8 years. This is about average than the state median of 35.5 years. With 33.7% of the population under 18, Sienna CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Sienna CDP is $171,709. This is 125% higher than the state median of $76,292. Compared to the national median of $78,538, household income here is 119% higher. The poverty rate stands at 1.6%. This is 88% lower than the state poverty rate of 13.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.1%. This is 20% lower than the state rate of 5.1%. The median home value is $440,600. Housing costs are 69% higher than the state median of $260,400. With a home-value-to-income ratio of just 2.6x, Sienna CDP is one of the most affordable housing markets in the area. 95.4% of occupied housing units are owner-occupied. This homeownership rate is 53% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in Sienna CDP is White (non-Hispanic), making up 52.9% of the population. Black or African American residents account for 18.4%. The Black or African American population is significantly higher than the state average (18.4% vs 11.9%). The Hispanic or Latino population (13.4%) is well below the state average of 39.5%. The Asian population is significantly higher than the state average (10.1% vs 5.3%).

Education

64.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Sienna CDP in the top 10% of all cities in the state for educational attainment. This is 95% higher than the state rate of 33.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.1%. Notably, 29.9% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Sienna CDP, Texas 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 Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,800 Census-designated places in Texas. For official data, visit data.census.gov.