Seabrook: Demographics & People
Seabrook's population stands at 13,768 people, in 5,981 households. Population grew 1.1% from 13,617 (2022) to 13,768 (2024). Median age 42.2 years. (7.6y older than Harris County; 7.7y older than Texas). Children under 18 are 20% of the population. Population is 65% White (non-Hispanic) and 21% Hispanic or Latino. 56% of households are family-led. County is gaining 4,101 residents per year (2022-2023). County health: 39% adult obesity, 15% smoke.
- 2.3 people per household (vs Texas avg 2.7).
- 44% non-family households (singles, roommates) (vs Texas 35%).
- 49 dependents per 100 working-age (youth + seniors / 18-64) (vs Texas 62).
Population & Trend
Population grew 1.1% from 13,617 (2022) to 13,768 (2024) — about 1.9× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~13,921 (extrapolated at 0.6%/yr trend). Census Bureau Vintage estimate: 14,127.
| Census data vintage | 2024 |
|---|---|
| Population | 46,571 people |
| Annual growth rate · Population change | 1.1% |
| Annual growth rate · Population (2022) | 13,617 |
| Annual growth rate · Population (2024) | 13,768 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 13,768 people (vs Texas 143,570) |
| Population Estimate | 14,127 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 42.2y is 3.3 years older than the U.S. median (38.9y). Children under 18 make up 20% — below the U.S. share of ~22%.
| Age Summary · Median age | 42.2 years (vs Texas 34.5y) |
|---|---|
| Age Summary · Children Pct | 19.5% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 13,768 |
| Age Summary · Under 18 | 2,685 |
| Age Summary · 18 To 34 | 3,022.0× |
| Age Summary · 35 To 64 | 6,249.0× |
| Age Summary · 65 Plus | 1,812 |
| Population under 18 | 2,685 |
| Median age | 42.2 years (vs Texas 34.5y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 13,768 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 10,950 |
|---|---|
| Black residents | 518 |
| Asian residents | 676 |
| Hispanic or Latino residents | 2,420 |
| Diversity Index · Simpson Index | 33.3% |
| Diversity Index · Interpretation | less diverse |
| Asian population | 5.8% (vs Texas 3.7%) |
| Black population | 5.3% (vs Texas 9.2%) |
| Hispanic or Latino population | 20.6% (vs Texas 36.6%) |
| White (non-Hispanic) population | 65.2% (vs Texas 36.1%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 2.4% are foreign-born — below the U.S. average of 13.9%. 11% have naturalized to U.S. citizenship.
| Residents born in this state | 6,927 |
|---|---|
| Residents born in another state | 4,957 |
| Share born in this state | 50.3% |
| Share born in another state | 49.7% |
| Native-born U.S. citizens | 36.0% |
| Foreign-born residents | 2.4% |
| Naturalized citizens | 11.2% |
| Total foreign-born residents | 1,476 |
| From Europe | 123 |
| From Africa | 474 |
| Census Foreign Born · Caribbean | 63 |
Households & Family Composition
5,981 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 56% are family households — below the U.S. share of ~65%. Of 3,369 families, 34% are married couples with children.
| Children under 18 | 2,986 |
|---|---|
| Total families | 3,369 |
| Married couples with children | 1,132 |
| Single-parent households | 45 |
| Average household size | 2.46 |
| Women who gave birth (past year) | 12.1% |
| Grandparents living with grandchildren | 78 |
| Grandparents responsible for grandchildren | 43 |
| Family households | 3,325 households (vs Texas 35,060) |
| Households that are families | 55.6% (vs Texas 65.3%) |
| Total households | 5,981 households (vs Texas 51,915) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 16.4% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 4,101 residents per year on net (IRS migration data).
| Moved within the county (past year) | 16.4% |
|---|---|
| Migration · People moving in (annual) | 56,265 |
| Migration · People moving out (annual) | 52,164 |
| Migration · Net migration (in − out) | 4,101 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 775 |
|---|---|
| Disability rate | 5.7% |
Other
| Congressional District · District | 36 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 48071 |
| Cdc Birth Rate · State Fips | 48 |
| Cdc Birth Rate · County Fips | 071 |
| Cdc Birth Rate · County | Chambers |
| Cdc Birth Rate · Birth Rate | 16.3% |
| Cdc Birth Rate · Lower Ci | 13.50 |
| Cdc Birth Rate · Upper Ci | 19.40 |
| Cdc Mortality · Fips | 48071 |
| Cdc Mortality · County | Chambers County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 870 |
| Cdc Vaccination · Fips | 48071 |
| Cdc Vaccination · County | Chambers County |
| Cdc Vaccination · Dose1 Pop Pct | 56.1% |
| Cdc Vaccination · Series Complete Pct | 49.3% |
| Cdc Vaccination · Booster Pct | 35.9% |
| Cdc Vaccination · Population 2019 | 43,837 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 4.80 |
| Family Score · Schools | 4 |
| Family Score · Childcare Centers | 6 |
| Family Score · Children Pct | 19.5% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 13,768, growing, established, affluent, mixed |
| Town Summary · Population | 13,768 people (vs Texas 143,570) |
| Town Summary · County | Chambers County |
Sources: NCES school congressional district assignment · federal dataset cascade