Tunnelhill: Demographics & People
Census counts 278 people in Tunnelhill, in 123 households. Population shrank 10.0% from 309 (2022) to 278 (2024). Median age 46.0 years. (9.2y older than Pennsylvania). Children under 18 are 18% of the population. Population is 96% White (non-Hispanic) and 1% Hispanic or Latino. 54% of households are family-led. County is losing 501 residents per year (2022-2023). County health: 36% adult obesity, 20% smoke.
- 2.3 people per household (vs Pennsylvania avg 2.4).
- 46% non-family households (singles, roommates) (vs Pennsylvania 44%).
- 63 dependents per 100 working-age (youth + seniors / 18-64) (vs Pennsylvania 66).
Population & Trend
Population shrank 10.0% from 309 (2022) to 278 (2024). Estimated 2026 population: ~250 (extrapolated at -5.0%/yr trend). Census Bureau Vintage estimate: 217.
| Census data vintage | 2024 |
|---|---|
| Population | 122,822 people |
| Annual growth rate · Population change | -10.0% |
| Annual growth rate · Population (2022) | 309 |
| Annual growth rate · Population (2024) | 278 |
| Annual growth rate · Trend category | shrinking |
| Population | 278 people (vs Pennsylvania 12,317) |
| Population Estimate | 217 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 46.0y is 7.1 years older than the U.S. median (38.9y). Children under 18 make up 18% — below the U.S. share of ~22%.
| Age Summary · Median age | 46.0 years (vs Pennsylvania 36.8y) |
|---|---|
| Age Summary · Children Pct | 18.3% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 278 |
| Age Summary · Under 18 | 51 |
| Age Summary · 18 To 34 | 49.0× |
| Age Summary · 35 To 64 | 122.0× |
| Age Summary · 65 Plus | 56 |
| Population under 18 | 51 |
| Median age | 46.0 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 278 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 301 |
|---|---|
| Black residents | 1 |
| Asian residents | 1 |
| Hispanic or Latino residents | 2 |
| Diversity Index · Simpson Index | -0.17 |
| Diversity Index · Interpretation | less diverse |
| Asian population | 0.4% (vs Pennsylvania 2.5%) |
| Black population | 0.4% (vs Pennsylvania 7.7%) |
| Hispanic or Latino population | 0.7% (vs Pennsylvania 8.1%) |
| White (non-Hispanic) population | 96.0% (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 (7)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 257 |
|---|---|
| Residents born in another state | 19 |
| Share born in this state | 92.4% |
| Share born in another state | 7.6% |
| Native-born U.S. citizens | 6.8% |
| Naturalized citizens | 0.7% |
| Total foreign-born residents | 1 |
| From Europe | 1 |
Households & Family Composition
123 households. Averaging 2.4 people each — smaller than the U.S. average of 2.5. 54% are family households — below the U.S. share of ~65%. Of 77 families, 25% are married couples with children.
| Children under 18 | 57 |
|---|---|
| Total families | 77 |
| Married couples with children | 19 |
| Single-parent households | 1 |
| Average household size | 2.36 |
| Women who gave birth (past year) | 12.7% |
| Grandparents living with grandchildren | 1,685 |
| Grandparents responsible for grandchildren | 539 |
| Family households | 67 households (vs Pennsylvania 2,885) |
| Households that are families | 54.5% (vs Pennsylvania 55.6%) |
| Total households | 123 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. 11.9% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 501 residents per year on net (IRS migration data).
| Moved within the county (past year) | 11.9% |
|---|---|
| Migration · People moving in (annual) | 106,399 |
| Migration · People moving out (annual) | 106,900 |
| Migration · Net migration (in − out) | -501 |
| 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 | 25 |
|---|---|
| Disability rate | 10.0% |
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. 5 residents live in group quarters (1.8% of population).
| Living in group quarters | 5 |
|---|
Other
| Congressional District · District | 13 |
|---|---|
| Congressional District · Formatted | PA-13 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 42013 |
| Cdc Birth Rate · State Fips | 42 |
| Cdc Birth Rate · County Fips | 013 |
| Cdc Birth Rate · County | Blair |
| Cdc Birth Rate · Birth Rate | 18.9% |
| Cdc Birth Rate · Lower Ci | 16.80 |
| Cdc Birth Rate · Upper Ci | 21.30 |
| Cdc Mortality · Fips | 42013 |
| Cdc Mortality · County | Blair County |
| Cdc Mortality · Urban Rural | Small metro |
| Cdc Mortality · Total Deaths 2020 2023 | 7,548 |
| Cdc Vaccination · Fips | 42013 |
| Cdc Vaccination · County | Blair County |
| Cdc Vaccination · Dose1 Pop Pct | 65.0% |
| Cdc Vaccination · Series Complete Pct | 55.7% |
| Cdc Vaccination · Booster Pct | 49.2% |
| Cdc Vaccination · Population 2019 | 121,829 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 18.3% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 278, shrinking, established, middle-class, mixed |
| Town Summary · Population | 278 people (vs Pennsylvania 12,317) |
| Town Summary · County | Blair County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade