Rock Island: Demographics & People
Rock Island is home to 684 people, in 285 households. Population shrank 9.2% from 753 (2022) to 684 (2024). Median age 42.9 years. (4.2y older than Le Flore County; 7.7y older than Oklahoma). Children under 18 are 21% of the population. Population is 78% White (non-Hispanic) and 3% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.07). 57% of households are family-led. County is gaining 743 residents per year (2022-2023). County health: 43% adult obesity, 23% smoke.
- 2.4 people per household (vs Oklahoma avg 2.6).
- 43% non-family households (singles, roommates) (vs Oklahoma 39%).
- 68 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 9.2% from 753 (2022) to 684 (2024). Estimated 2026 population: ~622 (extrapolated at -4.6%/yr trend). Census Bureau Vintage estimate: 546.
| Census data vintage | 2024 |
|---|---|
| Population | 48,129 people |
| Annual growth rate · Population change | -9.2% |
| Annual growth rate · Population (2022) | 753 |
| Annual growth rate · Population (2024) | 684 |
| Annual growth rate · Trend category | shrinking |
| Population | 684 people (vs Oklahoma 63,420) |
| Population Estimate | 546 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 42.9y is 4.0 years older than the U.S. median (38.9y). Children under 18 make up 21% — below the U.S. share of ~22%.
| Age Summary · Median age | 42.9 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 20.9% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 684 |
| Age Summary · Under 18 | 143 |
| Age Summary · 18 To 34 | 126.0× |
| Age Summary · 35 To 64 | 282.0× |
| Age Summary · 65 Plus | 133 |
| Population under 18 | 143 |
| Median age | 42.9 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 684 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.07 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 635 |
|---|---|
| Hispanic or Latino residents | 25 |
| Diversity Index · Diversity index (Simpson) | 7.3% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 2 |
| Diversity Index · Largest group share | 96.2% |
| Hispanic or Latino population | 3.2% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 77.9% (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). 1.6% are foreign-born — below the U.S. average of 13.9%. 2% have naturalized to U.S. citizenship.
| Residents born in this state | 175 |
|---|---|
| Residents born in another state | 488 |
| Share born in this state | 25.6% |
| Share born in another state | 74.4% |
| Native-born U.S. citizens | 71.3% |
| Foreign-born residents | 1.6% |
| Naturalized citizens | 1.5% |
| Total foreign-born residents | 2 |
| From Europe | 2 |
Households & Family Composition
285 households. Averaging 2.6 people each — larger than the U.S. average of 2.5. 57% are family households — below the U.S. share of ~65%. Of 183 families, 28% are married couples with children.
| Children under 18 | 189 |
|---|---|
| Total families | 183 |
| Married couples with children | 51 |
| Average household size | 2.65 |
| Women who gave birth (past year) | 12.9% |
| Grandparents living with grandchildren | 34 |
| Grandparents responsible for grandchildren | 8 |
| Family households | 163 households (vs Oklahoma 16,590) |
| Households that are families | 57.2% (vs Oklahoma 61.1%) |
| Total households | 285 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. 10.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 743 residents per year on net (IRS migration data).
| Moved within the county (past year) | 10.7% |
|---|---|
| Migration · People moving in (annual) | 40,268 |
| Migration · People moving out (annual) | 39,525 |
| Migration · Net migration (in − out) | 743 |
| 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 | 84 |
|---|---|
| Disability rate | 10.9% |
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Formatted | OK-02 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40079 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 079 |
| Cdc Birth Rate · County | Le Flore |
| Cdc Birth Rate · Birth Rate | 36.7% |
| Cdc Birth Rate · Lower Ci | 32.40 |
| Cdc Birth Rate · Upper Ci | 41.50 |
| Cdc Mortality · Fips | 40079 |
| Cdc Mortality · County | Le Flore County |
| Cdc Mortality · Urban Rural | Medium metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,565 |
| Cdc Vaccination · Fips | 40079 |
| Cdc Vaccination · County | Le Flore County |
| Cdc Vaccination · Dose1 Pop Pct | 48.6% |
| Cdc Vaccination · Series Complete Pct | 41.1% |
| Cdc Vaccination · Booster Pct | 41.4% |
| Cdc Vaccination · Population 2019 | 49,853 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 20.9% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 684, shrinking, established, working-class, mixed |
| Town Summary · Population | 684 people (vs Oklahoma 63,420) |
| Town Summary · County | Le Flore County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade