Grainola: Demographics & People
36 people call Grainola home, in 9 households. Population shrank 7.7% from 39 (2022) to 36 (2024). Median age 39.0 years. (4.2y younger than Osage County; 3.8y older than Oklahoma). Children under 18 are 44% of the population. Population is 100% White (non-Hispanic). 100% of households are family-led. County is gaining 1,883 residents per year (2022-2023). County health: 40% adult obesity, 19% smoke.
- 4.0 people per household (vs Oklahoma avg 2.6).
- 0% non-family households (singles, roommates) (vs Oklahoma 39%).
- 140 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 7.7% from 39 (2022) to 36 (2024). Estimated 2026 population: ~33 (extrapolated at -3.8%/yr trend). Census Bureau Vintage estimate: 29.
| Census data vintage | 2024 |
|---|---|
| Population | 45,818 people |
| Annual growth rate · Population change | -7.7% |
| Annual growth rate · Population (2022) | 39 |
| Annual growth rate · Population (2024) | 36 |
| Annual growth rate · Trend category | shrinking |
| Population | 36 people (vs Oklahoma 63,420) |
| Population Estimate | 29 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 39.0y is 0.1 years older than the U.S. median (38.9y). Children under 18 make up 44% — above the U.S. share of ~22%.
| Age Summary · Median age | 39.0 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 44.4% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 36 |
| Age Summary · Under 18 | 16 |
| Age Summary · 35 To 64 | 15.0× |
| Age Summary · 65 Plus | 5 |
| Age Summary · Pct Under 18 | 44.4% |
| Population under 18 | 16 |
| Median age | 39.0 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 36 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 37 |
|---|---|
| White (non-Hispanic) population | 100.0% (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 (4)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 26 |
|---|---|
| Residents born in another state | 9 |
| Share born in this state | 72.2% |
| Share born in another state | 27.8% |
| Native-born U.S. citizens | 25.0% |
| Naturalized citizens | 2.8% |
| Total foreign-born residents | 1 |
Households & Family Composition
9 households. Averaging 2.6 people each — larger than the U.S. average of 2.5. 100% are family households — above the U.S. share of ~65%. Of 11 families, 64% are married couples with children.
| Children under 18 | 17 |
|---|---|
| Total families | 11 |
| Married couples with children | 7 |
| Average household size | 2.60 |
| Grandparents living with grandchildren | 1,114 |
| Grandparents responsible for grandchildren | 444 |
| Family households | 9 households (vs Oklahoma 16,590) |
| Households that are families | 100.0% (vs Oklahoma 61.1%) |
| Total households | 9 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. The surrounding county is gaining 1,883 residents per year on net (IRS migration data).
| Lived in same home a year ago | 36.0% |
|---|---|
| Migration · People moving in (annual) | 40,571 |
| Migration · People moving out (annual) | 38,688 |
| Migration · Net migration (in − out) | 1,883 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Formatted | OK-03 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40113 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 113 |
| Cdc Birth Rate · County | Osage |
| Cdc Birth Rate · Birth Rate | 17.4% |
| Cdc Birth Rate · Lower Ci | 14.40 |
| Cdc Birth Rate · Upper Ci | 20.90 |
| Cdc Mortality · Fips | 40113 |
| Cdc Mortality · County | Osage County |
| Cdc Mortality · Urban Rural | Medium metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,090 |
| Cdc Vaccination · Fips | 40113 |
| Cdc Vaccination · County | Osage County |
| Cdc Vaccination · Dose1 Pop Pct | 44.1% |
| Cdc Vaccination · Series Complete Pct | 36.7% |
| Cdc Vaccination · Booster Pct | 43.9% |
| Cdc Vaccination · Population 2019 | 46,963 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 44.4% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 36, shrinking, family-oriented, middle-class, white collar |
| Town Summary · Population | 36 people (vs Oklahoma 63,420) |
| Town Summary · County | Osage County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade