Seabrook, Texas demographics

Seabrook, TX demographics: median age 42.2; 40.8% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Seabrook city, Texas · Incorporated city · GEOID 4866392. The survey estimates a population of 13,768 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Seabrook is 42.2 years, with a 90% margin of error of 4.4 years. There are 5,981 households (±414). 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	42.2 ±4.4	35.6 ±0.1	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 13,768
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Under 18	2,685 ±570	19.5% ±4.1 pp	25.0%	22.0%
18–34	3,022 ±583	21.9% ±4.2 pp	24.2%	22.8%
35–64	6,249 ±776	45.4% ±5.6 pp	37.4%	38.0%
65 and older	1,812 ±453	13.2% ±3.3 pp	13.4%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 13,768
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Male	7,095 ±453	51.5% ±3.3 pp	49.9%	49.5%
Female	6,673 ±454	48.5% ±3.3 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: 13,768
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
White alone	9,771 ±805	71.0% ±5.8 pp	48.5%	61.0%
Black or African American alone	872 ±443 · low precision	6.3% ±3.2 pp · low precision	12.2%	12.2%
American Indian and Alaska Native alone	46 ±50 · low precision	0.3% ±0.4 pp · low precision	0.7%	0.9%
Asian alone	802 ±492 · low precision	5.8% ±3.6 pp · low precision	5.6%	6.0%
Native Hawaiian and Other Pacific Islander alone	0 ±23 · low precision	0.0% ±0.2 pp · low precision	0.1%	0.2%
Some other race alone	434 ±298 · low precision	3.2% ±2.2 pp · low precision	9.3%	7.1%
Two or more races	1,843 ±685	13.4% ±5.0 pp	23.5%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 13,768
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Not Hispanic or Latino	10,936 ±861	79.4% ±6.2 pp	60.3%	80.7%
Hispanic or Latino	2,832 ±861	20.6% ±6.3 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: 5,981
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Married-couple family	2,677 ±302	44.8% ±4.0 pp	48.9%	46.9%
Other family: male householder, no spouse present	311 ±187 · low precision	5.2% ±3.1 pp · low precision	5.4%	5.1%
Other family: female householder, no spouse present	337 ±163	5.6% ±2.7 pp	13.4%	12.2%
Nonfamily: householder living alone	2,063 ±461	34.5% ±7.3 pp	26.2%	28.7%
Nonfamily: householder not living alone	593 ±262	9.9% ±4.3 pp	6.0%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 5,981
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Households with people under 18	1,489 ±273	24.9% ±4.2 pp	34.7%	29.5%
Households without people under 18	4,492 ±587	75.1% ±8.3 pp	65.3%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 5,981
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
One-person nonfamily households	2,063 ±461	34.5% ±7.3 pp	26.2%	28.7%
Two-person households	1,994 ±423	33.3% ±6.7 pp	31.4%	33.8%
Three-person households	733 ±234	12.3% ±3.8 pp	16.3%	15.3%
Four-person households	902 ±277	15.1% ±4.5 pp	14.2%	12.6%
Five-person households	142 ±122 · low precision	2.4% ±2.0 pp · low precision	7.3%	5.9%
Six-person households	77 ±99 · low precision	1.3% ±1.6 pp · low precision	2.9%	2.2%
Seven or more people	70 ±75 · low precision	1.2% ±1.2 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: 13,768
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Native	12,221 ±500	88.8% ±3.6 pp	82.4%	85.9%
Foreign born	1,547 ±496	11.2% ±3.6 pp	17.6%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 13,200
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
English only	10,431 ±756	79.0% ±5.1 pp	64.9%	77.7%
Spanish	2,098 ±809	15.9% ±6.1 pp	28.1%	13.6%
French, Haitian, or Cajun	53 ±66 · low precision	0.4% ±0.5 pp · low precision	0.3%	0.7%
German or other West Germanic	18 ±33 · low precision	0.1% ±0.2 pp · low precision	0.3%	0.5%
Russian, Polish, or other Slavic	54 ±66 · low precision	0.4% ±0.5 pp · low precision	0.2%	0.7%
Other Indo-European	164 ±129 · low precision	1.2% ±1.0 pp · low precision	1.7%	2.0%
Korean	0 ±23 · low precision	0.0% ±0.2 pp · low precision	0.2%	0.3%
Chinese, including Mandarin and Cantonese	64 ±94 · low precision	0.5% ±0.7 pp · low precision	0.7%	1.1%
Vietnamese	51 ±76 · low precision	0.4% ±0.6 pp · low precision	0.9%	0.5%
Tagalog, including Filipino	37 ±53 · low precision	0.3% ±0.4 pp · low precision	0.3%	0.6%
Other Asian and Pacific Island	180 ±175 · low precision	1.4% ±1.3 pp · low precision	1.1%	1.1%
Arabic	0 ±23 · low precision	0.0% ±0.2 pp · low precision	0.4%	0.5%
Other and unspecified	50 ±88 · low precision	0.4% ±0.7 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: 9,748
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Less than high school graduate	953 ±384	9.8% ±3.9 pp	14.0%	10.4%
High school graduate or equivalency	1,483 ±387	15.2% ±3.8 pp	24.3%	26.0%
Some college, no degree	2,275 ±681	23.3% ±6.8 pp	20.1%	19.1%
Associate’s degree	1,059 ±264	10.9% ±2.6 pp	7.7%	8.8%
Bachelor’s degree	2,562 ±440	26.3% ±4.2 pp	21.5%	21.6%
Graduate or professional degree	1,416 ±383	14.5% ±3.8 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: 13,642
Category	Count ± MOE	Share ± MOE (pp)	Texas	U.S.
Same house	11,403 ±610	83.6% ±4.4 pp	86.0%	87.7%
Moved within same county	1,390 ±503	10.2% ±3.7 pp	7.4%	6.3%
Moved from a different county in the same state	742 ±444 · low precision	5.4% ±3.3 pp · low precision	3.9%	3.1%
Moved from a different state	107 ±92 · low precision	0.8% ±0.7 pp · low precision	2.0%	2.3%
Moved from abroad	0 ±23 · low precision	0.0% ±0.2 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

12.1% of Seabrook residents (±3.9 percentage points) had no health insurance coverage when surveyed, compared with 17.1% in Texas and 8.4% nationally. 95.8% 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	Seabrook	Texas	U.S.	Compared with Texas
People without health insurance Civilian noninstitutionalized population	12.1% ±3.9 pp	17.1%	8.4%	Lower
Households with a broadband subscription Households	95.8% ±3.7 pp	91.4%	91.0%	Higher
Veterans Civilian population age 18 and older	13.0% ±4.1 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 Seabrook . 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 Seabrook housing and cost context or return to the city profile.