Simms: Demographics & People
Census counts 463 people in Simms, in 227 households. Population shrank 6.5% from 495 (2022) to 463 (2024). Median age 61.7 years. (23.8y older than Muskogee County; 26.5y older than Oklahoma). Children under 18 are 20% of the population. Population is 61% White (non-Hispanic). 93% of households are family-led. County is gaining 850 residents per year (2022-2023). County health: 45% adult obesity, 19% smoke.
- 2.0 people per household (vs Oklahoma avg 2.6).
- 7% non-family households (singles, roommates) (vs Oklahoma 39%).
- 226 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 6.5% from 495 (2022) to 463 (2024). Estimated 2026 population: ~433 (extrapolated at -3.2%/yr trend). Census Bureau Vintage estimate: 396.
| Census data vintage | 2024 |
|---|---|
| Population | 66,339 people |
| Annual growth rate · Population change | -6.5% |
| Annual growth rate · Population (2022) | 495 |
| Annual growth rate · Population (2024) | 463 |
| Annual growth rate · Trend category | shrinking |
| Population | 463 people (vs Oklahoma 63,420) |
| Population Estimate | 396 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 61.7y is 22.8 years older than the U.S. median (38.9y). Children under 18 make up 20% — below the U.S. share of ~22%.
| Age Summary · Median age | 61.7 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 20.3% |
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 463 |
| Age Summary · Under 18 | 94 |
| Age Summary · 18 To 34 | 47.0× |
| Age Summary · 35 To 64 | 95.0× |
| Age Summary · 65 Plus | 227 |
| Population under 18 | 94 |
| Median age | 61.7 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 463 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 279 |
|---|---|
| Diversity Index · Simpson Index | 47.9% |
| Diversity Index · Interpretation | moderately diverse |
| White (non-Hispanic) population | 61.3% (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 | 436 |
|---|---|
| Residents born in another state | 22 |
| Share born in this state | 94.2% |
| Share born in another state | 5.8% |
| Native-born U.S. citizens | 4.8% |
| Naturalized citizens | 1.1% |
| Total foreign-born residents | 7 |
| From Africa | 7 |
Households & Family Composition
227 households. Averaging 2.0 people each — smaller than the U.S. average of 2.5. 93% are family households — above the U.S. share of ~65%. Of 218 families, 8% are married couples with children.
| Children under 18 | 106 |
|---|---|
| Total families | 218 |
| Married couples with children | 18 |
| Single-parent households | 12 |
| Average household size | 2.05 |
| Women who gave birth (past year) | 7.2% |
| Grandparents living with grandchildren | 9 |
| Grandparents responsible for grandchildren | 9 |
| Family households | 211 households (vs Oklahoma 16,590) |
| Households that are families | 93.0% (vs Oklahoma 61.1%) |
| Total households | 227 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. 1.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 850 residents per year on net (IRS migration data).
| Moved within the county (past year) | 1.7% |
|---|---|
| Migration · People moving in (annual) | 55,905 |
| Migration · People moving out (annual) | 55,055 |
| Migration · Net migration (in − out) | 850 |
| 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 | 145 |
|---|---|
| Disability rate | 28.5% |
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Formatted | OK-02 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40101 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 101 |
| Cdc Birth Rate · County | Muskogee |
| Cdc Birth Rate · Birth Rate | 34.5% |
| Cdc Birth Rate · Lower Ci | 30.80 |
| Cdc Birth Rate · Upper Ci | 38.50 |
| Cdc Mortality · Fips | 40101 |
| Cdc Mortality · County | Muskogee County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 3,849 |
| Cdc Vaccination · Fips | 40101 |
| Cdc Vaccination · County | Muskogee County |
| Cdc Vaccination · Dose1 Pop Pct | 68.9% |
| Cdc Vaccination · Series Complete Pct | 54.2% |
| Cdc Vaccination · Booster Pct | 39.3% |
| Cdc Vaccination · Population 2019 | 67,997 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 20.3% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 463, shrinking, retirement community, upper-middle, blue collar |
| Town Summary · Population | 463 people (vs Oklahoma 63,420) |
| Town Summary · County | Muskogee County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade