Mont Belvieu, Texas demographics

Mont Belvieu, TX demographics: median age 33.6; 33.9% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Mont Belvieu city, Texas · Incorporated city · GEOID 4849068. The survey estimates a population of 9,020 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Mont Belvieu is 33.6 years, with a 90% margin of error of 4.2 years. There are 3,061 households (±315). Age and household distributions show how these totals are composed; they do not establish which neighborhood suits a particular person.

Every count and share is an estimate. “±” is a 90% margin of error (MOE); pp means percentage points. Derived shares use the category count divided by the named universe. Aggregated category MOEs and percentage MOEs are approximate. A margin larger than half its estimate is flagged as low precision. Blank source uncertainty is shown as unavailable, never zero.

Age distribution and sex

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe	City estimate ± MOE	State estimate ± MOE	U.S. estimate ± MOE
Median age Total population · years	33.6 ±4.2	35.6 ±0.1	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 9,020
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Under 18	2,698 ±490	29.9% ±5.4 pp	25.0%	22.0%
18–34	1,921 ±440	21.3% ±4.9 pp	24.2%	22.8%
35–64	3,447 ±485	38.2% ±5.4 pp	37.4%	38.0%
65 and older	954 ±285	10.6% ±3.2 pp	13.4%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 9,020
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Male	4,034 ±305	44.7% ±3.4 pp	49.9%	49.5%
Female	4,986 ±304	55.3% ±3.4 pp	50.1%	50.5%

The age groups are mutually exclusive and cover the entire population. The sex categories follow this ACS table’s published classification; they are not a survey of gender identity.

Race and Hispanic origin

Race · B02001 · ACS 2020–2024 Total population: 9,020
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
White alone	6,906 ±640	76.6% ±7.1 pp	48.5%	61.0%
Black or African American alone	289 ±205 · low precision	3.2% ±2.3 pp · low precision	12.2%	12.2%
American Indian and Alaska Native alone	59 ±53 · low precision	0.7% ±0.6 pp · low precision	0.7%	0.9%
Asian alone	301 ±178 · low precision	3.3% ±2.0 pp · low precision	5.6%	6.0%
Native Hawaiian and Other Pacific Islander alone	0 ±21 · low precision	0.0% ±0.2 pp · low precision	0.1%	0.2%
Some other race alone	797 ±487 · low precision	8.8% ±5.4 pp · low precision	9.3%	7.1%
Two or more races	668 ±360 · low precision	7.4% ±4.0 pp · low precision	23.5%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 9,020
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Not Hispanic or Latino	7,457 ±670	82.7% ±7.4 pp	60.3%	80.7%
Hispanic or Latino	1,563 ±673	17.3% ±7.5 pp	39.7%	19.3%

Hispanic origin and race are separate questions. People of Hispanic or Latino origin may be of any race and appear in both tables. Do not add the Hispanic share to race shares. Race alone and two-or-more-race groups are the mutually exclusive categories of the race table.

Household types, children and living alone

Household types · B11001 · ACS 2020–2024 Households: 3,061
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Married-couple family	2,021 ±264	66.0% ±5.3 pp	48.9%	46.9%
Other family: male householder, no spouse present	73 ±76 · low precision	2.4% ±2.5 pp · low precision	5.4%	5.1%
Other family: female householder, no spouse present	358 ±246 · low precision	11.7% ±7.9 pp · low precision	13.4%	12.2%
Nonfamily: householder living alone	397 ±190	13.0% ±6.1 pp	26.2%	28.7%
Nonfamily: householder not living alone	212 ±128 · low precision	6.9% ±4.1 pp · low precision	6.0%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 3,061
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Households with people under 18	1,271 ±210	41.5% ±5.4 pp	34.7%	29.5%
Households without people under 18	1,790 ±330	58.5% ±8.9 pp	65.3%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 3,061
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
One-person nonfamily households	397 ±190	13.0% ±6.1 pp	26.2%	28.7%
Two-person households	1,227 ±346	40.1% ±10.5 pp	31.4%	33.8%
Three-person households	510 ±230	16.7% ±7.3 pp	16.3%	15.3%
Four-person households	516 ±200	16.9% ±6.3 pp	14.2%	12.6%
Five-person households	367 ±159	12.0% ±5.1 pp	7.3%	5.9%
Six-person households	16 ±34 · low precision	0.5% ±1.1 pp · low precision	2.9%	2.2%
Seven or more people	28 ±46 · low precision	0.9% ±1.5 pp · low precision	1.7%	1.4%

A family household contains related people under the Census definition. A nonfamily household can contain one person or unrelated people sharing a home. Households with children can also appear in the household-type and size tables, so those tables must not be added together. Household estimates exclude people living in group quarters from the household universe.

Nativity and languages spoken at home

Nativity · B05002 · ACS 2020–2024 Total population: 9,020
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Native	8,318 ±276	92.2% ±3.1 pp	82.4%	85.9%
Foreign born	702 ±276	7.8% ±3.1 pp	17.6%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 8,205
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
English only	6,711 ±660	81.8% ±7.7 pp	64.9%	77.7%
Spanish	1,084 ±579 · low precision	13.2% ±7.0 pp · low precision	28.1%	13.6%
French, Haitian, or Cajun	32 ±49 · low precision	0.4% ±0.6 pp · low precision	0.3%	0.7%
German or other West Germanic	0 ±21 · low precision	0.0% ±0.3 pp · low precision	0.3%	0.5%
Russian, Polish, or other Slavic	204 ±206 · low precision	2.5% ±2.5 pp · low precision	0.2%	0.7%
Other Indo-European	0 ±21 · low precision	0.0% ±0.3 pp · low precision	1.7%	2.0%
Korean	0 ±21 · low precision	0.0% ±0.3 pp · low precision	0.2%	0.3%
Chinese, including Mandarin and Cantonese	0 ±21 · low precision	0.0% ±0.3 pp · low precision	0.7%	1.1%
Vietnamese	41 ±67 · low precision	0.5% ±0.8 pp · low precision	0.9%	0.5%
Tagalog, including Filipino	47 ±89 · low precision	0.6% ±1.1 pp · low precision	0.3%	0.6%
Other Asian and Pacific Island	57 ±66 · low precision	0.7% ±0.8 pp · low precision	1.1%	1.1%
Arabic	0 ±21 · low precision	0.0% ±0.3 pp · low precision	0.4%	0.5%
Other and unspecified	29 ±46 · low precision	0.4% ±0.6 pp · low precision	0.7%	0.8%

Foreign born means not a U.S. citizen at birth; it includes naturalized citizens. Language categories describe speech at home among people age five and older. A language other than English at home does not establish that someone cannot speak English. This city page uses the published C16001 summary categories because the more detailed B16001 table does not provide these city records in this release.

Educational attainment

Highest completed education · B15003 · ACS 2020–2024 Population age 25 and older: 5,507
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Less than high school graduate	71 ±107 · low precision	1.3% ±1.9 pp · low precision	14.0%	10.4%
High school graduate or equivalency	1,280 ±332	23.2% ±5.7 pp	24.3%	26.0%
Some college, no degree	1,359 ±394	24.7% ±6.9 pp	20.1%	19.1%
Associate’s degree	932 ±413	16.9% ±7.4 pp	7.7%	8.8%
Bachelor’s degree	1,411 ±302	25.6% ±5.1 pp	21.5%	21.6%
Graduate or professional degree	454 ±198	8.2% ±3.5 pp	12.3%	14.1%

The denominator excludes residents under 25. Each person is counted in the highest attainment category they completed. This table does not measure the quality of local schools or the education level of every current student.

Residence one year earlier

Geographic mobility · B07003 · ACS 2020–2024 Population age 1 and older: 8,952
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Same house	7,028 ±734	78.5% ±8.2 pp	86.0%	87.7%
Moved within same county	189 ±129 · low precision	2.1% ±1.4 pp · low precision	7.4%	6.3%
Moved from a different county in the same state	1,334 ±679 · low precision	14.9% ±7.6 pp · low precision	3.9%	3.1%
Moved from a different state	376 ±262 · low precision	4.2% ±2.9 pp · low precision	2.0%	2.3%
Moved from abroad	25 ±44 · low precision	0.3% ±0.5 pp · low precision	0.8%	0.6%

These are respondents’ residence patterns one year before their survey response, pooled across the five-year window. They are not a net migration count for 2025. A person can move to a different house within the same city or county; moves within the same county should not automatically be interpreted as new arrivals to the city.

Health insurance, internet access and veterans

10.6% of Mont Belvieu residents (±4.2 percentage points) had no health insurance coverage when surveyed, compared with 17.1% in Texas and 8.4% nationally. 90.9% of households subscribe to broadband of any type, including cellular data plans. A subscription is not the same as available service: the FCC National Broadband Map shows providers at a specific address.

City, state and U.S. shares · ACS 2020–2024
Measure	Mont Belvieu	Texas	U.S.	Compared with Texas
People without health insurance Civilian noninstitutionalized population	10.6% ±4.2 pp	17.1%	8.4%	Lower
Households with a broadband subscription Households	90.9% ±7.6 pp	91.4%	91.0%	Not statistically different
Veterans Civilian population age 18 and older	10.9% ±4.0 pp	6.2%	6.2%	Higher

Reading and reusing the estimates

The Census table links above lead to the original detailed tables. Counts, source universes and uncertainty are retained in the source observation download for Mont Belvieu . Compare these figures with the same survey window; do not compare one city’s five-year estimate with another city’s annual estimate as though they measured the same period. For methods, see uncertainty and denominator calculations.

Read Mont Belvieu housing and cost context or return to the city profile.