Grandfield: Demographics & People
About 940 people live in Grandfield, in 400 households. Population shrank 0.4% from 944 (2022) to 940 (2024). Median age 39.3 years. (1.5y younger than Tillman County; 4.1y older than Oklahoma). Children under 18 are 26% of the population. Population is 58% White (non-Hispanic) and 29% Hispanic or Latino. 53% of households are family-led. County is losing 68 residents per year (2022-2023). County health: 42% adult obesity, 19% smoke.
- 2.4 people per household (vs Oklahoma avg 2.6).
- 47% non-family households (singles, roommates) (vs Oklahoma 39%).
- 103 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 0.4% from 944 (2022) to 940 (2024). Estimated 2026 population: ~936 (extrapolated at -0.2%/yr trend). Census Bureau Vintage estimate: 930.
| Census data vintage | 2024 |
|---|---|
| Population | 6,968 people |
| Annual growth rate · Population change | -0.4% |
| Annual growth rate · Population (2022) | 944 |
| Annual growth rate · Population (2024) | 940 |
| Annual growth rate · Trend category | stable |
| Population | 940 people (vs Oklahoma 63,420) |
| Population Estimate | 930 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 39.3y is 0.4 years older than the U.S. median (38.9y). Children under 18 make up 26% — above the U.S. share of ~22%.
| Age Summary · Median age | 39.3 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 26.3% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 940 |
| Age Summary · Under 18 | 247 |
| Age Summary · 18 To 34 | 154.0× |
| Age Summary · 35 To 64 | 310.0× |
| Age Summary · 65 Plus | 229 |
| Population under 18 | 247 |
| Median age | 39.3 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 940 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 613 |
|---|---|
| Black residents | 54 |
| Hispanic or Latino residents | 273 |
| Diversity Index · Simpson Index | 48.7% |
| Diversity Index · Interpretation | moderately diverse |
| Black population | 5.3% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 28.8% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 57.6% (at Oklahoma median) |
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). 0.9% are foreign-born — below the U.S. average of 13.9%. 6% have naturalized to U.S. citizenship.
| Residents born in this state | 586 |
|---|---|
| Residents born in another state | 285 |
| Share born in this state | 62.3% |
| Share born in another state | 37.7% |
| Native-born U.S. citizens | 30.3% |
| Foreign-born residents | 0.9% |
| Naturalized citizens | 6.5% |
| Total foreign-born residents | 65 |
| From Europe | 2 |
Households & Family Composition
400 households. Averaging 2.4 people each — smaller than the U.S. average of 2.5. 53% are family households — below the U.S. share of ~65%. Of 215 families, 13% are married couples with children.
| Children under 18 | 260 |
|---|---|
| Total families | 215 |
| Married couples with children | 27 |
| Single-parent households | 27 |
| Average household size | 2.38 |
| Women who gave birth (past year) | 9.7% |
| Grandparents living with grandchildren | 11 |
| Family households | 212 households (vs Oklahoma 16,590) |
| Households that are families | 53.0% (vs Oklahoma 61.1%) |
| Total households | 400 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. 7.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 68 residents per year on net (IRS migration data).
| Moved within the county (past year) | 7.6% |
|---|---|
| Migration · People moving in (annual) | 5,731 |
| Migration · People moving out (annual) | 5,799 |
| Migration · Net migration (in − out) | -68 |
| 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 | 157 |
|---|---|
| Disability rate | 17.2% |
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40141 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 141 |
| Cdc Birth Rate · County | Tillman |
| Cdc Birth Rate · Birth Rate | 30.9% |
| Cdc Birth Rate · Lower Ci | 22.40 |
| Cdc Birth Rate · Upper Ci | 41.60 |
| Cdc Mortality · Fips | 40141 |
| Cdc Mortality · County | Tillman County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 223 |
| Cdc Vaccination · Fips | 40141 |
| Cdc Vaccination · County | Tillman County |
| Cdc Vaccination · Dose1 Pop Pct | 61.5% |
| Cdc Vaccination · Series Complete Pct | 52.0% |
| Cdc Vaccination · Booster Pct | 44.4% |
| Cdc Vaccination · Population 2019 | 7,250 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.30 |
| Family Score · Schools | 2 |
| Family Score · Childcare Centers | 1 |
| Family Score · Children Pct | 26.3% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 940, stable, family-oriented, lower-income, mixed |
| Town Summary · Population | 940 people (vs Oklahoma 63,420) |
| Town Summary · County | Tillman County |
Sources: NCES school congressional district assignment · federal dataset cascade