Mangum: Demographics & People
About 2,755 people live in Mangum, in 1,128 households. Population shrank 0.1% from 2,759 (2022) to 2,755 (2024). Median age 35.0 years. (7.0y younger than Greer County). Children under 18 are 27% of the population. Population is 72% White (non-Hispanic) and 18% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.35). 65% of households are family-led. County is gaining 63 residents per year (2022-2023). County health: 42% adult obesity, 21% smoke.
- 2.4 people per household (vs Oklahoma avg 2.6).
- 35% non-family households (singles, roommates) (vs Oklahoma 39%).
- 74 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 0.1% from 2,759 (2022) to 2,755 (2024). Estimated 2026 population: ~2,751 (extrapolated at -0.1%/yr trend).
| Census data vintage | 2024 |
|---|---|
| Population | 5,491 people |
| Annual growth rate · Population change | -0.1% |
| Annual growth rate · Population (2022) | 2,759 |
| Annual growth rate · Population (2024) | 2,755 |
| Annual growth rate · Trend category | stable |
| Population | 2,755 people (vs Oklahoma 63,420) |
| Population Estimate | 2,746 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 35.0y is 3.9 years younger than the U.S. median (38.9y). Children under 18 make up 27% — above the U.S. share of ~22%.
| Age Summary · Median age | 35.0 years (at Oklahoma median) |
|---|---|
| Age Summary · Children Pct | 26.8% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 2,755 |
| Age Summary · Under 18 | 738 |
| Age Summary · 18 To 34 | 643.0× |
| Age Summary · 35 To 64 | 937.0× |
| Age Summary · 65 Plus | 437 |
| Population under 18 | 738 |
| Median age | 35.0 years (at Oklahoma median) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 2,755 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.35 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 2,293 |
|---|---|
| Black residents | 122 |
| Asian residents | 12 |
| Hispanic or Latino residents | 484 |
| Diversity Index · Diversity index (Simpson) | 35.0% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 78.8% |
| Asian population | 0.2% (vs Oklahoma 3.2%) |
| Black population | 1.9% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 18.3% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 71.5% (vs Oklahoma 57.8%) |
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 | 1,821 |
|---|---|
| Residents born in another state | 914 |
| Share born in this state | 66.1% |
| Share born in another state | 33.9% |
| Native-born U.S. citizens | 33.2% |
| Naturalized citizens | 0.7% |
| Total foreign-born residents | 49 |
Households & Family Composition
1,128 households. Averaging 2.4 people each — smaller than the U.S. average of 2.5. 65% are family households — near the U.S. share of ~65%. Of 763 families, 40% are married couples with children.
| Children under 18 | 747 |
|---|---|
| Total families | 763 |
| Married couples with children | 302 |
| Average household size | 2.36 |
| Women who gave birth (past year) | 12.6% |
| Grandparents living with grandchildren | 118 |
| Grandparents responsible for grandchildren | 5 |
| Family households | 729 households (vs Oklahoma 16,590) |
| Households that are families | 64.6% (vs Oklahoma 61.1%) |
| Total households | 1,128 households (vs Oklahoma 23,671) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 21.2% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 63 residents per year on net (IRS migration data).
| Moved within the county (past year) | 21.2% |
|---|---|
| Migration · People moving in (annual) | 3,696 |
| Migration · People moving out (annual) | 3,633 |
| Migration · Net migration (in − out) | 63 |
| 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 | 241 |
|---|---|
| Disability rate | 9.0% |
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. 102 residents live in group quarters (3.7% of population).
| Living in group quarters | 102 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40055 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 055 |
| Cdc Birth Rate · County | Greer |
| Cdc Birth Rate · Birth Rate | 35.4% |
| Cdc Birth Rate · Lower Ci | 24.80 |
| Cdc Birth Rate · Upper Ci | 48.70 |
| Cdc Mortality · Fips | 40055 |
| Cdc Mortality · County | Greer County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 209 |
| Cdc Vaccination · Fips | 40055 |
| Cdc Vaccination · County | Greer County |
| Cdc Vaccination · Dose1 Pop Pct | 43.5% |
| Cdc Vaccination · Series Complete Pct | 37.9% |
| Cdc Vaccination · Booster Pct | 46.4% |
| Cdc Vaccination · Population 2019 | 5,712 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 3.60 |
| Family Score · Schools | 4 |
| Family Score · Childcare Centers | 2 |
| Family Score · Children Pct | 26.8% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 2,755, stable, family-oriented, working-class, mixed |
| Town Summary · Population | 2,755 people (vs Oklahoma 63,420) |
| Town Summary · County | Greer County |
Sources: NCES school congressional district assignment · federal dataset cascade