Katy: Demographics & People
25,184 people call Katy home, in 7,942 households. Population grew 5.4% from 23,900 (2022) to 25,184 (2024). Median age 37.6 years. (6.3y older than Waller County; 3.1y older than Texas). Children under 18 are 28% of the population. Population is 42% White (non-Hispanic) and 30% Hispanic or Latino. 77% of households are family-led. County is gaining 32,793 residents per year (2022-2023). County health: 33% adult obesity, 11% smoke.
- 3.2 people per household (vs Texas avg 2.7).
- 23% non-family households (singles, roommates) (vs Texas 35%).
- 65 dependents per 100 working-age (youth + seniors / 18-64) (vs Texas 62).
Population & Trend
Population grew 5.4% from 23,900 (2022) to 25,184 (2024) — about 9.0× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~26,554 (extrapolated at 2.7%/yr trend). Census Bureau Vintage estimate: 28,452.
| Census data vintage | 2024 |
|---|---|
| Population | 822,779 people |
| Annual growth rate · Population change | 5.4% |
| Annual growth rate · Population (2022) | 23,900 |
| Annual growth rate · Population (2024) | 25,184 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 25,184 people (vs Texas 143,570) |
| Population Estimate | 28,452 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 37.6y is 1.3 years younger than the U.S. median (38.9y). Children under 18 make up 28% — above the U.S. share of ~22%.
| Age Summary · Median age | 37.6 years (vs Texas 34.5y) |
|---|---|
| Age Summary · Children Pct | 28.4% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 25,184 |
| Age Summary · Under 18 | 7,140 |
| Age Summary · 18 To 34 | 4,656.0× |
| Age Summary · 35 To 64 | 10,598.0× |
| Age Summary · 65 Plus | 2,790 |
| Population under 18 | 7,140 |
| Median age | 37.6 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 25,184 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 12,498 |
|---|---|
| Black residents | 2,227 |
| Asian residents | 2,178 |
| Hispanic or Latino residents | 6,853 |
| Diversity Index · Simpson Index | 66.1% |
| Diversity Index · Interpretation | highly diverse |
| Asian population | 11.6% (vs Texas 3.7%) |
| Black population | 11.2% (vs Texas 9.2%) |
| Hispanic or Latino population | 29.8% (vs Texas 36.6%) |
| White (non-Hispanic) population | 41.5% (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). 4.7% are foreign-born — below the U.S. average of 13.9%. 20% have naturalized to U.S. citizenship.
| Residents born in this state | 12,687 |
|---|---|
| Residents born in another state | 6,221 |
| Share born in this state | 50.4% |
| Share born in another state | 49.6% |
| Native-born U.S. citizens | 24.7% |
| Foreign-born residents | 4.7% |
| Naturalized citizens | 20.2% |
| Total foreign-born residents | 4,135 |
| From Europe | 97 |
| From Africa | 940 |
| From Latin America | 209 |
Households & Family Composition
7,942 households. Averaging 3.2 people each — larger than the U.S. average of 2.5. 77% are family households — above the U.S. share of ~65%. Of 5,908 families, 43% are married couples with children.
| Children under 18 | 7,209 |
|---|---|
| Total families | 5,908 |
| Married couples with children | 2,549 |
| Single-parent households | 196 |
| Average household size | 3.17 |
| Women who gave birth (past year) | 17.0% |
| Grandparents living with grandchildren | 154 |
| Grandparents responsible for grandchildren | 52 |
| Family households | 6,084 households (vs Texas 35,060) |
| Households that are families | 76.6% (vs Texas 65.3%) |
| Total households | 7,942 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. 12.2% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 32,793 residents per year on net (IRS migration data).
| Moved within the county (past year) | 12.2% |
|---|---|
| Migration · People moving in (annual) | 888,955 |
| Migration · People moving out (annual) | 856,162 |
| Migration · Net migration (in − out) | 32,793 |
| 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 | 1,192 |
|---|---|
| Disability rate | 5.3% |
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. 187 residents live in group quarters (0.7% of population).
| Living in group quarters | 187 |
|---|
Other
| Congressional District · District | 10 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 48157 |
| Cdc Birth Rate · State Fips | 48 |
| Cdc Birth Rate · County Fips | 157 |
| Cdc Birth Rate · County | Fort Bend |
| Cdc Birth Rate · Birth Rate | 8.1% |
| Cdc Birth Rate · Lower Ci | 7.60 |
| Cdc Birth Rate · Upper Ci | 8.70 |
| Cdc Mortality · Fips | 48157 |
| Cdc Mortality · County | Fort Bend County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 14,166 |
| Cdc Vaccination · Fips | 48157 |
| Cdc Vaccination · County | Fort Bend County |
| Cdc Vaccination · Dose1 Pop Pct | 84.9% |
| Cdc Vaccination · Series Complete Pct | 74.4% |
| Cdc Vaccination · Booster Pct | 45.3% |
| Cdc Vaccination · Population 2019 | 811,688 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 96 |
| Family Score · Childcare Centers | 109 |
| Family Score · Youth Sports Orgs | 6 |
| Family Score · Children Pct | 28.4% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 25,184, booming, family-oriented, affluent, mixed |
| Town Summary · Population | 25,184 people (vs Texas 143,570) |
| Town Summary · County | Fort Bend County |
Sources: NCES school congressional district assignment · federal dataset cascade