Sienna

County:: Fort Bend County
County Seat:: No
Area (mi²):: 12.582
State:: Texas

Sienna is a CDP located in Fort Bend County, Texas. Sienna has a 2025 population of 28,938. Sienna is currently growing at a rate of 7.15% annually and its population has increased by 32.89% since the most recent census, which recorded a population of 21,776 in 2020.

The average household income in Sienna is $195,516 with a poverty rate of 1.59%.The median age in Sienna is 35.8 years: 34.2 years for males, and 36.4 years for females.

Demographics

The racial composition of Sienna includes 57.43% White, 19.31% Black or African American, 10.07% Asian, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	14,371	57.43%
Black or African American	4,833	19.31%
Two or more races	2,663	10.64%
Asian	2,519	10.07%
Other race	485	1.94%
Native American	154	0.62%

Sienna Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sienna's average per capita income is $90,199. Household income levels show a median of $171,709. The poverty rate stands at 1.59%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$194,848	-
Families	$187,778	$205,471
Households	$171,709	$195,516
Non Families	-	$100,955

$90,199

Average Income

$171,709

Median Household Income

1.59%

Poverty Rate