Madill: Demographics & People
4,004 people call Madill home, in 1,315 households. Population grew 1.0% from 3,966 (2022) to 4,004 (2024). Median age 31.7 years. (9.9y younger than Marshall County; 3.5y younger than Oklahoma). Children under 18 are 30% of the population. Population is 41% Hispanic or Latino and 38% White (non-Hispanic). The community is moderately diverse (Simpson index 0.52). 66% of households are family-led. County is gaining 94 residents per year (2022-2023). County health: 44% adult obesity, 21% smoke.
- 3.0 people per household (vs Oklahoma avg 2.6).
- 34% non-family households (singles, roommates) (vs Oklahoma 39%).
- 83 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population grew 1.0% from 3,966 (2022) to 4,004 (2024) — about 1.6× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~4,042 (extrapolated at 0.5%/yr trend). Census Bureau Vintage estimate: 4,094.
| Census data vintage | 2024 |
|---|---|
| Population | 15,312 people |
| Annual growth rate · Population change | 1.0% |
| Annual growth rate · Population (2022) | 3,966 |
| Annual growth rate · Population (2024) | 4,004 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 4,004 people (vs Oklahoma 63,420) |
| Population Estimate | 4,094 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 31.7y is 7.2 years younger than the U.S. median (38.9y). Children under 18 make up 30% — above the U.S. share of ~22%.
| Age Summary · Median age | 31.7 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 29.9% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 4,004 |
| Age Summary · Under 18 | 1,199 |
| Age Summary · 18 To 34 | 952.0× |
| Age Summary · 35 To 64 | 1,240.0× |
| Age Summary · 65 Plus | 613 |
| Population under 18 | 1,199 |
| Median age | 31.7 years (vs Oklahoma 35.2y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 4,004 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.52 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.
| White residents | 1,923 |
|---|---|
| Black residents | 71 |
| Asian residents | 23 |
| Hispanic or Latino residents | 1,622 |
| Diversity Index · Diversity index (Simpson) | 52.2% |
| Diversity Index · Diversity label | moderately diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 52.8% |
| Asian population | 0.9% (vs Oklahoma 3.2%) |
| Black population | 1.6% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 41.1% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 37.8% (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). 0.8% are foreign-born — below the U.S. average of 13.9%. 12% have naturalized to U.S. citizenship.
| Residents born in this state | 2,221 |
|---|---|
| Residents born in another state | 1,277 |
| Share born in this state | 55.5% |
| Share born in another state | 44.5% |
| Native-born U.S. citizens | 31.9% |
| Foreign-born residents | 0.8% |
| Naturalized citizens | 11.8% |
| Total foreign-born residents | 746 |
| From Europe | 16 |
| From Asia | 16 |
| From Africa | 9 |
Households & Family Composition
1,315 households. Averaging 3.2 people each — larger than the U.S. average of 2.5. 66% are family households — near the U.S. share of ~65%. Of 865 families, 43% are married couples with children.
| Children under 18 | 1,248 |
|---|---|
| Total families | 865 |
| Married couples with children | 373 |
| Single-parent households | 79 |
| Average household size | 3.16 |
| Women who gave birth (past year) | 21.0% |
| Grandparents living with grandchildren | 118 |
| Grandparents responsible for grandchildren | 45 |
| Family households | 862 households (vs Oklahoma 16,590) |
| Households that are families | 65.6% (vs Oklahoma 61.1%) |
| Total households | 1,315 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. 16.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 94 residents per year on net (IRS migration data).
| Moved within the county (past year) | 16.7% |
|---|---|
| Migration · People moving in (annual) | 14,710 |
| Migration · People moving out (annual) | 14,616 |
| Migration · Net migration (in − out) | 94 |
| 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 | 233 |
|---|---|
| Disability rate | 6.1% |
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. 110 residents live in group quarters (2.7% of population).
| Living in group quarters | 110 |
|---|
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40095 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 095 |
| Cdc Birth Rate · County | Marshall |
| Cdc Birth Rate · Birth Rate | 43.7% |
| Cdc Birth Rate · Lower Ci | 35.90 |
| Cdc Birth Rate · Upper Ci | 52.60 |
| Cdc Mortality · Fips | 40095 |
| Cdc Mortality · County | Marshall County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 568 |
| Cdc Vaccination · Fips | 40095 |
| Cdc Vaccination · County | Marshall County |
| Cdc Vaccination · Dose1 Pop Pct | 58.3% |
| Cdc Vaccination · Series Complete Pct | 47.1% |
| Cdc Vaccination · Booster Pct | 41.4% |
| Cdc Vaccination · Population 2019 | 16,931 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 3.10 |
| Family Score · Schools | 3 |
| Family Score · Childcare Centers | 2 |
| Family Score · Children Pct | 29.9% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 4,004, stable, young professional, working-class, blue collar |
| Town Summary · Population | 4,004 people (vs Oklahoma 63,420) |
| Town Summary · County | Marshall County |
Sources: NCES school congressional district assignment · federal dataset cascade