Alliance: Demographics & People
Census counts 21,478 people in Alliance, in 8,163 households. Population shrank 0.4% from 21,574 (2022) to 21,478 (2024). Median age 35.5 years. (6.3y younger than Stark County; 2.6y younger than Ohio). Children under 18 are 22% of the population. Population is 83% White (non-Hispanic) and 8% Black. The community is somewhat diverse (Simpson index 0.20). 61% of households are family-led. County is gaining 612 residents per year (2022-2023). County health: 40% adult obesity, 22% smoke.
- 2.6 people per household (vs Ohio avg 2.4).
- 39% non-family households (singles, roommates) (vs Ohio 44%).
- 66 dependents per 100 working-age (youth + seniors / 18-64) (vs Ohio 67).
Population & Trend
Population shrank 0.4% from 21,574 (2022) to 21,478 (2024). Estimated 2026 population: ~21,383 (extrapolated at -0.2%/yr trend). Census Bureau Vintage estimate: 21,259.
| Census data vintage | 2024 |
|---|---|
| Population | 228,614 people |
| Annual growth rate · Population change | -0.4% |
| Annual growth rate · Population (2022) | 21,574 |
| Annual growth rate · Population (2024) | 21,478 |
| Annual growth rate · Trend category | stable |
| Population | 21,478 people (vs Ohio 29,269) |
| Population Estimate | 21,259 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 35.5y is 3.4 years younger than the U.S. median (38.9y). Children under 18 make up 22% — near the U.S. share of ~22%.
| Age Summary · Median age | 35.5 years (vs Ohio 38.1y) |
|---|---|
| Age Summary · Children Pct | 22.5% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 21,478 |
| Age Summary · Under 18 | 4,834 |
| Age Summary · 18 To 34 | 5,714.0× |
| Age Summary · 35 To 64 | 7,199.0× |
| Age Summary · 65 Plus | 3,731 |
| Population under 18 | 4,834 |
| Median age | 35.5 years (vs Ohio 38.1y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 21,478 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.20 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 17,946 |
|---|---|
| Black residents | 1,915 |
| Asian residents | 56 |
| Hispanic or Latino residents | 318 |
| Diversity Index · Diversity index (Simpson) | 20.4% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 88.7% |
| Asian population | 0.4% (vs Ohio 1.9%) |
| Black population | 8.0% (at Ohio median) |
| Hispanic or Latino population | 1.6% (vs Ohio 4.5%) |
| White (non-Hispanic) population | 82.9% (vs Ohio 77.9%) |
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). 0.6% are foreign-born — below the U.S. average of 13.9%. 1% have naturalized to U.S. citizenship.
| Residents born in this state | 18,633 |
|---|---|
| Residents born in another state | 2,441 |
| Share born in this state | 86.8% |
| Share born in another state | 13.2% |
| Native-born U.S. citizens | 11.4% |
| Foreign-born residents | 0.6% |
| Naturalized citizens | 1.3% |
| Total foreign-born residents | 205 |
| From Europe | 56 |
| From Africa | 90 |
| Census Foreign Born · South America | 59 |
Households & Family Composition
8,163 households. Averaging 2.4 people each — smaller than the U.S. average of 2.5. 61% are family households — below the U.S. share of ~65%. Of 4,886 families, 18% are married couples with children.
| Children under 18 | 4,553 |
|---|---|
| Total families | 4,886 |
| Married couples with children | 888 |
| Single-parent households | 285 |
| Average household size | 2.39 |
| Women who gave birth (past year) | 16.6% |
| Grandparents living with grandchildren | 482 |
| Grandparents responsible for grandchildren | 99 |
| Family households | 5,009 households (vs Ohio 7,027) |
| Households that are families | 61.4% (vs Ohio 55.9%) |
| Total households | 8,163 households (vs Ohio 12,056) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 17.2% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 612 residents per year on net (IRS migration data).
| Moved within the county (past year) | 17.2% |
|---|---|
| Migration · People moving in (annual) | 198,022 |
| Migration · People moving out (annual) | 197,410 |
| Migration · Net migration (in − out) | 612 |
| 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 | 1,826 |
|---|---|
| Disability rate | 8.6% |
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. 1,602 residents live in group quarters (7.5% of population).
| Living in group quarters | 1,602 |
|---|
Other
| Congressional District · District | 13 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 39099 |
| Cdc Birth Rate · State Fips | 39 |
| Cdc Birth Rate · County Fips | 099 |
| Cdc Birth Rate · County | Mahoning |
| Cdc Birth Rate · Birth Rate | 22.2% |
| Cdc Birth Rate · Lower Ci | 20.40 |
| Cdc Birth Rate · Upper Ci | 24.10 |
| Cdc Mortality · Fips | 39099 |
| Cdc Mortality · County | Mahoning County |
| Cdc Mortality · Urban Rural | Medium metro |
| Cdc Mortality · Total Deaths 2020 2023 | 14,032 |
| Cdc Vaccination · Fips | 39099 |
| Cdc Vaccination · County | Mahoning County |
| Cdc Vaccination · Dose1 Pop Pct | 63.9% |
| Cdc Vaccination · Series Complete Pct | 59.2% |
| Cdc Vaccination · Booster Pct | 55.5% |
| Cdc Vaccination · Population 2019 | 228,683 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 7.50 |
| Family Score · Schools | 10 |
| Family Score · Childcare Centers | 5 |
| Family Score · Children Pct | 22.5% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 21,478, stable, family-oriented, middle-class, mixed |
| Town Summary · Population | 21,478 people (vs Ohio 29,269) |
| Town Summary · County | Mahoning County |
Sources: NCES school congressional district assignment · federal dataset cascade