What kinds of homes are in Sienna, TX?

Name: Types of homes in Sienna, TX, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Sienna, TX has 7,470 (±665) homes (2020–2024 American Community Survey).

That is about 594 homes per square mile of land.

94.8% are detached single-family houses.

0.4% are in buildings of two to four units.

0.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 7,470 (±665)
Detached houses: 94.8%
2–4 unit buildings: 0.4%
5+ unit buildings: 0.0%

Homes in Sienna by building size

Housing units by units in structure, 2020–2024
Building type	Sienna	Fort Bend County	Texas	United States
Single-family, detached	94.8% (±2.5 points)	82.9%	64.4%	61.3%
Single-family, attached (townhouse, rowhouse)	2.2% (±1.6 points)	1.7%	2.9%	6.2%
2 units	0.2% (±0.3 points)	0.5%	1.9%	3.4%
3 or 4 units	0.2% (±0.4 points)	1.4%	3.4%	4.3%
5 to 9 units	0.0% (±0.7 points)	1.6%	4.4%	4.5%
10 to 19 units	0.0% (±0.7 points)	2.4%	5.5%	4.3%
20 or more units	0.0% (±0.7 points)	6.8%	10.9%	10.3%
Mobile home	2.6% (±1.7 points)	2.8%	6.4%	5.6%
Boat, RV, van, etc.	0.0% (±0.7 points)	0.1%	0.3%	0.1%

In Sienna, the share of homes in buildings of five or more units is lower than in Fort Bend County (10.8%).

It is also lower than in Texas (20.8%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Sienna

Nearest places with a published estimate, compared with Sienna
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Sienna	—	0.0% (±1.2 points)	—
Arcola	2.5 mi	11.1% (±12.1 points)	Not measurably different
Fresno	4.3 mi	0.3% (±0.7 points)	Not measurably different
Missouri City	5.6 mi	6.3% (±1.6 points)	Higher
Iowa Colony	5.8 mi	0.0% (±1.9 points)	Not measurably different
Sandy Point	6.0 mi	3.7% (±58.5 points)	Not measurably different
Thompsons	7.9 mi	0.0% (±54.9 points)	Not measurably different
Fifth Street	8.2 mi	22.6% (±36.1 points)	Not measurably different
Manvel	8.7 mi	0.0% (±1.6 points)	Not measurably different

Nearby places with a measurably higher figure: Missouri City, TX (6.3%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Fort Bend County, place by place

Rank	Place	Homes in buildings of 5 or more units
16	Pecan Grove	2.8% (±2.0 points)
17	Pleak	2.1% (±10.5 points)
18	Fresno	0.3% (±0.7 points)
19 (tie)	Cumings	0.0% (±12.3 points)
19 (tie)	Fairchilds	0.0% (±21.7 points)
19 (tie)	Orchard	0.0% (±53.2 points)
19 (tie)	Sienna	0.0% (±1.2 points)
19 (tie)	Simonton	0.0% (±25.1 points)
19 (tie)	Thompsons	0.0% (±54.9 points)
19 (tie)	Weston Lakes	0.0% (±5.4 points)

Showing 10 of 25 places in Fort Bend County, ranked from highest to lowest.

Sienna is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Sienna

How many homes are in Sienna?

Sienna, TX has an estimated 7,470 (±665) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Sienna houses or apartments?

94.8% are detached houses and 2.2% attached houses, while 0.4% are in buildings of two or more units.

How many two-family and small multifamily homes are in Sienna?

0.4% of homes in Sienna are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Sienna CDP, Texas

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Sienna CDP, Texas (place:67763, in state:48).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.