Southlake: Demographics & People
Southlake is home to 31,137 people, in 9,229 households. Population grew 0.3% from 31,044 (2022) to 31,137 (2024). Median age 43.1 years. (7.9y older than Tarrant County; 8.6y older than Texas). Children under 18 are 31% of the population. Population is 69% White (non-Hispanic) and 16% Asian. 92% of households are family-led. County is gaining 41,401 residents per year (2022-2023). County health: 31% adult obesity, 10% smoke.
- 3.4 people per household (vs Texas avg 2.7).
- 8% non-family households (singles, roommates) (vs Texas 35%).
- 84 dependents per 100 working-age (youth + seniors / 18-64) (vs Texas 62).
Population & Trend
Population grew 0.3% from 31,044 (2022) to 31,137 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~31,230 (extrapolated at 0.1%/yr trend). Census Bureau Vintage estimate: 31,355.
| Census data vintage | 2024 |
|---|---|
| Population | 906,422 people |
| Annual growth rate · Population change | 0.3% |
| Annual growth rate · Population (2022) | 31,044 |
| Annual growth rate · Population (2024) | 31,137 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 31,137 people (vs Texas 143,570) |
| Population Estimate | 31,355 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 43.1y is 4.2 years older than the U.S. median (38.9y). Children under 18 make up 31% — above the U.S. share of ~22%.
| Age Summary · Median age | 43.1 years (vs Texas 34.5y) |
|---|---|
| Age Summary · Children Pct | 31.3% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 31,137 |
| Age Summary · Under 18 | 9,734 |
| Age Summary · 18 To 34 | 3,030.0× |
| Age Summary · 35 To 64 | 13,934.0× |
| Age Summary · 65 Plus | 4,439 |
| Population under 18 | 9,734 |
| Median age | 43.1 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 31,137 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 22,835 |
|---|---|
| Black residents | 556 |
| Asian residents | 4,878 |
| Hispanic or Latino residents | 2,818 |
| Diversity Index · Simpson Index | 42.9% |
| Diversity Index · Interpretation | moderately diverse |
| Asian population | 15.5% (vs Texas 3.7%) |
| Black population | 1.7% (vs Texas 9.2%) |
| Hispanic or Latino population | 8.9% (vs Texas 36.6%) |
| White (non-Hispanic) population | 68.9% (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). 1.4% are foreign-born — below the U.S. average of 13.9%. 16% have naturalized to U.S. citizenship.
| Residents born in this state | 12,040 |
|---|---|
| Residents born in another state | 13,624 |
| Share born in this state | 38.7% |
| Share born in another state | 61.3% |
| Native-born U.S. citizens | 43.8% |
| Foreign-born residents | 1.4% |
| Naturalized citizens | 16.1% |
| Total foreign-born residents | 4,890 |
| From Europe | 917 |
| From Asia | 22 |
| From Africa | 2,693 |
| From Latin America | 50 |
Households & Family Composition
9,229 households. Averaging 3.3 people each — larger than the U.S. average of 2.5. 92% are family households — above the U.S. share of ~65%. Of 8,578 families, 49% are married couples with children.
| Children under 18 | 9,738 |
|---|---|
| Total families | 8,578 |
| Married couples with children | 4,209 |
| Single-parent households | 217 |
| Average household size | 3.31 |
| Women who gave birth (past year) | 3.2% |
| Grandparents living with grandchildren | 226 |
| Grandparents responsible for grandchildren | 29 |
| Family households | 8,488 households (vs Texas 35,060) |
| Households that are families | 92.0% (vs Texas 65.3%) |
| Total households | 9,229 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. 10.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 41,401 residents per year on net (IRS migration data).
| Moved within the county (past year) | 10.5% |
|---|---|
| Migration · People moving in (annual) | 1,010,885 |
| Migration · People moving out (annual) | 969,484 |
| Migration · Net migration (in − out) | 41,401 |
| 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 | 927 |
|---|---|
| Disability rate | 3.0% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 164 residents live in group quarters (0.5% of population).
| Living in group quarters | 164 |
|---|
Other
| Congressional District · District | 24 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 48121 |
| Cdc Birth Rate · State Fips | 48 |
| Cdc Birth Rate · County Fips | 121 |
| Cdc Birth Rate · County | Denton |
| Cdc Birth Rate · Birth Rate | 9.5% |
| Cdc Birth Rate · Lower Ci | 9.00 |
| Cdc Birth Rate · Upper Ci | 10.10 |
| Cdc Mortality · Fips | 48121 |
| Cdc Mortality · County | Denton County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 17,031 |
| Cdc Vaccination · Fips | 48121 |
| Cdc Vaccination · County | Denton County |
| Cdc Vaccination · Dose1 Pop Pct | 71.5% |
| Cdc Vaccination · Series Complete Pct | 62.9% |
| Cdc Vaccination · Booster Pct | 43.1% |
| Cdc Vaccination · Population 2019 | 887,207 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 13 |
| Family Score · Childcare Centers | 12 |
| Family Score · Youth Sports Orgs | 1 |
| Family Score · Children Pct | 31.3% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 31,137, stable, established, affluent, white collar |
| Town Summary · Population | 31,137 people (vs Texas 143,570) |
| Town Summary · County | Denton County |
Sources: NCES school congressional district assignment · federal dataset cascade