Sienna, TX Demographics

A map of Sienna's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	14,761	9,483	59.1%	46.9%
Black	3,139	3,940	12.6%	19.5%
Hispanic	2,975	3,079	11.9%	15.2%
Asian	2,673	2,606	10.7%	12.9%
Multiracial	1,358	935	5.4%	4.6%
Native American/Other	86	161	0.3%	0.8%

Sienna, Texas has an estimated population of 24,992, a large increase from the 20,204 recorded in the 2020 Census. The population is 59.1% White, 12.6% Black, 11.9% Hispanic, 10.7% Asian, 5.4% Multiracial, and 0.3% Native American/Other. This demographic dot map shows the population of Sienna, with one dot drawn for each person counted by the Census, color-coded by race.

Sienna has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Texas overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Sienna, that probability was 70.0% in 2020 and 60.7% in the most recent ACS estimates.

Sienna is ranked the 134th most populous place in Texas, out of 1,863 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Sienna was ranked the 150th most populous place in the 2020 Census.

Sienna's White Population

14,761 residents of Sienna, or 59.1% of the population, identify as White. The share of White residents in Sienna is significantly higher than in Texas overall, where 39.1% of the population is White. Sienna ranks 1079th statewide in terms of White residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sienna's White population has grown by an estimated 55.7%. White residents' share of Sienna's population has increased from 46.9% to 59.1%.

Sienna is more White than neighboring Arcola (9.9% White), Fresno (6.2% White), Missouri City (18.1% White), Sandy Point (47% White), and Iowa Colony (24.9% White).

Sienna's Black Population

3,139 residents of Sienna, or 12.6% of the population, identify as Black. The share of Black residents in Sienna is comparable to the share in Texas overall, where 11.9% of the population is Black. Sienna ranks 145th statewide in terms of Black residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sienna's Black population has declined by an estimated 20.3%. Black residents' share of Sienna's population has decreased from 19.5% to 12.6%.

Sienna is less Black than neighboring Arcola (21.1% Black), Fresno (52.1% Black), Missouri City (38.3% Black), Sandy Point (27.3% Black), and Iowa Colony (45.3% Black).

Sienna's Asian Population

2,673 residents of Sienna, or 10.7% of the population, identify as Asian. The share of Asian residents in Sienna is higher than in Texas overall, where 5.5% of the population is Asian. Sienna ranks 36th statewide in terms of Asian residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sienna's Asian population has grown by an estimated 2.6%. Asian residents' share of Sienna's population has decreased from 12.9% to 10.7%.

Sienna is more Asian than neighboring Arcola (0% Asian), Fresno (2.4% Asian), Sandy Point (0% Asian), and Iowa Colony (3.7% Asian). Sienna is less Asian than neighboring Missouri City (18.8% Asian).

Sienna's Hispanic Population

2,975 residents of Sienna, or 11.9% of the population, identify as Hispanic. The share of Hispanic residents in Sienna is significantly lower than in Texas overall, where 39.7% of the population is Hispanic. Sienna ranks 1329th statewide in terms of Hispanic residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sienna's Hispanic population has declined by an estimated 3.4%. Hispanic residents' share of Sienna's population has decreased from 15.2% to 11.9%.

Sienna is less Hispanic than neighboring Arcola (68.9% Hispanic), Fresno (34.8% Hispanic), Missouri City (20.8% Hispanic), Sandy Point (25.1% Hispanic), and Iowa Colony (20.2% Hispanic).

Sienna's Native American/Other Population

86 residents of Sienna, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Sienna is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Sienna ranks 671st statewide in terms of Native American/Other residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sienna's Native American/Other population has declined by an estimated 46.6%. Native American/Other residents' share of Sienna's population has decreased from 0.8% to 0.3%.

Sienna is more Native American/Other than neighboring Arcola (0% Native American/Other), Sandy Point (0% Native American/Other), and Iowa Colony (0% Native American/Other). Sienna is less Native American/Other than neighboring Fresno (0.8% Native American/Other).

Sienna's Multiracial Population

1,358 residents of Sienna, or 5.4% of the population, identify as Multiracial. The share of Multiracial residents in Sienna is slightly higher than in Texas overall, where 3.1% of the population is Multiracial. Sienna ranks 357th statewide in terms of Multiracial residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sienna's Multiracial population has grown by an estimated 45.2%. Multiracial residents' share of Sienna's population has increased from 4.6% to 5.4%.

Sienna is more Multiracial than neighboring Arcola (0.2% Multiracial), Fresno (3.7% Multiracial), Missouri City (3.8% Multiracial), and Sandy Point (0.5% Multiracial). Sienna is less Multiracial than neighboring Iowa Colony (5.8% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.