Marshall County: Demographics & People
15,792 people call Marshall County home, in 5,982 households. Median age 41.6 years. (6.4y older than Oklahoma). Population is 18% Hispanic or Latino and 0% Asian. County is gaining 94 residents per year (2022-2023). County health: 40% adult obesity, 22% smoke.
- 2.6 people per household (vs Oklahoma avg 2.6).
- 84 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Current population 15,792; figures track the most recent Census ACS 5-year estimates.
| Population | 15,792 people (vs Oklahoma 63,420) |
|---|---|
| Total Town Population | 7,025 people |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Age Distribution
Median age 41.6y is 2.7 years older than the U.S. median (38.9y).
| Age Summary · Total Pop | 15,792 |
|---|---|
| Age Summary · Under 18 | 3,674 |
| Age Summary · 18 To 34 | 2,852.0× |
| Age Summary · 35 To 64 | 5,710.0× |
| Age Summary · 65 Plus | 3,556 |
| Age Summary · Pct Under 18 | 23.3% |
| Age Summary · Pct 18 To 34 | 18.1% |
| Age Summary · Pct 35 To 64 | 36.2% |
| Median age | 41.6 years (vs Oklahoma 35.2y) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 15,792 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| Census Demographics · Total Population | 15,792 people |
|---|---|
| White residents | 10,429 |
| Black residents | 67 |
| Asian residents | 69 |
| Census Demographics · Aian | 1,127 |
| Census Demographics · Nhpi | 24 |
| Census Demographics · Other Race | 1,237 |
| Census Demographics · Two Or More Races | 2,839 |
| Diversity Index | 52.0% |
| Asian population | 0.4% (vs Oklahoma 3.2%) |
| Black population | 0.4% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 18.1% (vs Oklahoma 12.3%) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 23.1% are foreign-born — above the U.S. average of 13.9%.
| Census Citizenship · Total | 15,792 |
|---|---|
| Census Citizenship · Native | 14,900 |
| Residents born in this state | 8,716 |
| Residents born in another state | 6,049 |
| Census Citizenship · Foreign Born | 3,647 |
| Census Citizenship · Naturalized | 1,111 |
| Census Citizenship · Non Citizen | 135 |
| Foreign-born residents | 23.1% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Households & Family Composition
5,982 households.
| Family households | 4,007 households (vs Oklahoma 16,590) |
|---|---|
| Total households | 5,982 households (vs Oklahoma 23,671) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Residential Stability & Migration
How long residents have lived here and where they came from. The surrounding county is gaining 94 residents per year on net (IRS migration data).
| 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 2022-2023
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.
| Census Disability · Total Pop | 15,642 |
|---|---|
| With Disability | 3,522 |
| Pct With Disability | 22.5% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
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. 0 residents live in group quarters.
| Census Group Quarters · Total | 153 |
|---|
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Other
| Census Mobility · Total | 15,667 |
|---|---|
| Census Mobility · Same House | 13,574 |
| Census Mobility · Same County | 790 |
| Census Mobility · Diff County Same State | 685 |
| Census Mobility · Diff State | 596 |
| Census Mobility · From Abroad | 22 |
| Census Mobility · Moved Total | 2,093 |
| Census Mobility · Pct Moved In Year | 13.4% |
| Pct White | 66.0% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29