Trafford: Demographics & People
Census counts 3,216 people in Trafford, in 1,413 households. Population shrank 0.9% from 3,247 (2022) to 3,216 (2024). Median age 37.4 years. (9.8y younger than Westmoreland County; 0.6y older than Pennsylvania). Children under 18 are 23% of the population. Population is 89% White (non-Hispanic) and 2% Black. 63% of households are family-led. County is losing 21,053 residents per year (2022-2023). County health: 32% adult obesity, 15% smoke.
- 2.3 people per household (vs Pennsylvania avg 2.4).
- 37% non-family households (singles, roommates) (vs Pennsylvania 44%).
- 64 dependents per 100 working-age (youth + seniors / 18-64) (vs Pennsylvania 66).
Population & Trend
Population shrank 0.9% from 3,247 (2022) to 3,216 (2024). Estimated 2026 population: ~3,185 (extrapolated at -0.5%/yr trend). Census Bureau Vintage estimate: 3,145.
| Census data vintage | 2024 |
|---|---|
| Population | 1,250,578 people |
| Annual growth rate · Population change | -0.9% |
| Annual growth rate · Population (2022) | 3,247 |
| Annual growth rate · Population (2024) | 3,216 |
| Annual growth rate · Trend category | stable |
| Population | 3,216 people (vs Pennsylvania 12,317) |
| Population Estimate | 3,145 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 37.4y is 1.5 years younger than the U.S. median (38.9y). Children under 18 make up 23% — near the U.S. share of ~22%.
| Age Summary · Median age | 37.4 years (vs Pennsylvania 36.8y) |
|---|---|
| Age Summary · Children Pct | 22.6% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 3,216 |
| Age Summary · Under 18 | 727 |
| Age Summary · 18 To 34 | 809.0× |
| Age Summary · 35 To 64 | 1,152.0× |
| Age Summary · 65 Plus | 528 |
| Population under 18 | 727 |
| Median age | 37.4 years (vs Pennsylvania 36.8y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 3,216 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 2,992 |
|---|---|
| Black residents | 53 |
| Asian residents | 89 |
| Hispanic or Latino residents | 34 |
| Diversity Index · Simpson Index | 13.3% |
| Diversity Index · Interpretation | less diverse |
| Asian population | 1.9% (vs Pennsylvania 2.5%) |
| Black population | 1.9% (vs Pennsylvania 7.7%) |
| Hispanic or Latino population | 1.0% (vs Pennsylvania 8.1%) |
| White (non-Hispanic) population | 88.9% (vs Pennsylvania 71.2%) |
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).
| Residents born in this state | 2,797 |
|---|---|
| Residents born in another state | 279 |
| Share born in this state | 87.0% |
| Share born in another state | 13.0% |
| Native-born U.S. citizens | 8.7% |
| Naturalized citizens | 4.4% |
| Total foreign-born residents | 137 |
| From Europe | 41 |
| From Africa | 79 |
Households & Family Composition
1,413 households. Averaging 2.2 people each — smaller than the U.S. average of 2.5. 63% are family households — near the U.S. share of ~65%. Of 886 families, 24% are married couples with children.
| Children under 18 | 724 |
|---|---|
| Total families | 886 |
| Married couples with children | 210 |
| Average household size | 2.22 |
| Women who gave birth (past year) | 19.2% |
| Grandparents living with grandchildren | 48 |
| Grandparents responsible for grandchildren | 48 |
| Family households | 894 households (vs Pennsylvania 2,885) |
| Households that are families | 63.3% (vs Pennsylvania 55.6%) |
| Total households | 1,413 households (vs Pennsylvania 5,038) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 2.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 21,053 residents per year on net (IRS migration data).
| Moved within the county (past year) | 2.6% |
|---|---|
| Migration · People moving in (annual) | 1,054,979 |
| Migration · People moving out (annual) | 1,076,032 |
| Migration · Net migration (in − out) | -21,053 |
| 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 | 259 |
|---|---|
| Disability rate | 8.0% |
Other
| Congressional District · District | 14 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 42003 |
| Cdc Birth Rate · State Fips | 42 |
| Cdc Birth Rate · County Fips | 003 |
| Cdc Birth Rate · County | Allegheny |
| Cdc Birth Rate · Birth Rate | 9.5% |
| Cdc Birth Rate · Lower Ci | 8.90 |
| Cdc Birth Rate · Upper Ci | 10.00 |
| Cdc Mortality · Fips | 42003 |
| Cdc Mortality · County | Allegheny County |
| Cdc Mortality · Urban Rural | Large central metro |
| Cdc Mortality · Total Deaths 2020 2023 | 64,251 |
| Cdc Vaccination · Fips | 42003 |
| Cdc Vaccination · County | Allegheny County |
| Cdc Vaccination · Dose1 Pop Pct | 87.1% |
| Cdc Vaccination · Series Complete Pct | 75.6% |
| Cdc Vaccination · Booster Pct | 54.8% |
| Cdc Vaccination · Population 2019 | 1,216,045 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 2.80 |
| Family Score · Schools | 3 |
| Family Score · Childcare Centers | 1 |
| Family Score · Children Pct | 22.6% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 3,216, stable, family-oriented, middle-class, mixed |
| Town Summary · Population | 3,216 people (vs Pennsylvania 12,317) |
| Town Summary · County | Allegheny County |
Sources: NCES school congressional district assignment · federal dataset cascade