Sulphur: Demographics & People
4,874 people call Sulphur home, in 1,676 households. Population shrank 0.5% from 4,900 (2022) to 4,874 (2024). Median age 41.9 years. (6.7y older than Oklahoma). Children under 18 are 24% of the population. Population is 66% White (non-Hispanic) and 14% Hispanic or Latino. 62% of households are family-led. County is gaining 447 residents per year (2022-2023). County health: 44% adult obesity, 19% smoke.
- 2.9 people per household (vs Oklahoma avg 2.6).
- 38% 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 0.5% from 4,900 (2022) to 4,874 (2024). Estimated 2026 population: ~4,848 (extrapolated at -0.3%/yr trend). Census Bureau Vintage estimate: 4,813.
| Census data vintage | 2024 |
|---|---|
| Population | 13,904 people |
| Annual growth rate · Population change | -0.5% |
| Annual growth rate · Population (2022) | 4,900 |
| Annual growth rate · Population (2024) | 4,874 |
| Annual growth rate · Trend category | stable |
| Population | 4,874 people (vs Oklahoma 63,420) |
| Population Estimate | 4,813 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 41.9y is 3.0 years older than the U.S. median (38.9y). Children under 18 make up 24% — above the U.S. share of ~22%.
| Age Summary · Median age | 41.9 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 23.7% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 4,874 |
| Age Summary · Under 18 | 1,155 |
| Age Summary · 18 To 34 | 916.0× |
| Age Summary · 35 To 64 | 1,890.0× |
| Age Summary · 65 Plus | 913 |
| Population under 18 | 1,155 |
| Median age | 41.9 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 4,874 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 3,401 |
|---|---|
| Black residents | 80 |
| Hispanic or Latino residents | 633 |
| Diversity Index · Simpson Index | 47.2% |
| Diversity Index · Interpretation | moderately diverse |
| Black population | 1.0% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 14.1% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 65.5% (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). 1.2% are foreign-born — below the U.S. average of 13.9%. 4% have naturalized to U.S. citizenship.
| Residents born in this state | 3,066 |
|---|---|
| Residents born in another state | 1,568 |
| Share born in this state | 62.9% |
| Share born in another state | 37.1% |
| Native-born U.S. citizens | 32.2% |
| Foreign-born residents | 1.2% |
| Naturalized citizens | 3.7% |
| Total foreign-born residents | 90 |
| From Europe | 12 |
Households & Family Composition
1,676 households. Averaging 2.6 people each — larger than the U.S. average of 2.5. 62% are family households — below the U.S. share of ~65%. Of 1,016 families, 36% are married couples with children.
| Children under 18 | 1,300 |
|---|---|
| Total families | 1,016 |
| Married couples with children | 365 |
| Single-parent households | 19 |
| Average household size | 2.61 |
| Women who gave birth (past year) | 15.0% |
| Grandparents living with grandchildren | 193 |
| Grandparents responsible for grandchildren | 14 |
| Family households | 1,039 households (vs Oklahoma 16,590) |
| Households that are families | 62.0% (vs Oklahoma 61.1%) |
| Total households | 1,676 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. 21.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 447 residents per year on net (IRS migration data).
| Moved within the county (past year) | 21.6% |
|---|---|
| Migration · People moving in (annual) | 12,266 |
| Migration · People moving out (annual) | 11,819 |
| Migration · Net migration (in − out) | 447 |
| 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 | 377 |
|---|---|
| Disability rate | 8.2% |
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. 375 residents live in group quarters (7.7% of population).
| Living in group quarters | 375 |
|---|
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40099 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 099 |
| Cdc Birth Rate · County | Murray |
| Cdc Birth Rate · Birth Rate | 37.6% |
| Cdc Birth Rate · Lower Ci | 29.80 |
| Cdc Birth Rate · Upper Ci | 46.70 |
| Cdc Mortality · Fips | 40099 |
| Cdc Mortality · County | Murray County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 631 |
| Cdc Vaccination · Fips | 40099 |
| Cdc Vaccination · County | Murray County |
| Cdc Vaccination · Dose1 Pop Pct | 54.4% |
| Cdc Vaccination · Series Complete Pct | 46.5% |
| Cdc Vaccination · Booster Pct | 45.0% |
| Cdc Vaccination · Population 2019 | 14,073 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 4.00 |
| Family Score · Schools | 6 |
| Family Score · Children Pct | 23.7% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 4,874, stable, established, middle-class, mixed |
| Town Summary · Population | 4,874 people (vs Oklahoma 63,420) |
| Town Summary · County | Murray County |
Sources: NCES school congressional district assignment · federal dataset cascade