St. Charles: Demographics & People
St. Charles is home to 250 people, in 78 households. Population shrank 3.9% from 260 (2022) to 250 (2024). Median age 45.2 years. (3.8y older than Arkansas County; 6.4y older than Arkansas). Children under 18 are 31% of the population. Population is 93% White (non-Hispanic) and 1% Black. The community is relatively homogeneous (Simpson index 0.19). 80% of households are family-led. County is losing 356 residents per year (2022-2023). County health: 41% adult obesity, 23% smoke.
- 3.2 people per household.
- 20% non-family households (singles, roommates).
Population & Trend
Population shrank 3.9% from 260 (2022) to 250 (2024). Estimated 2026 population: ~240 (extrapolated at -1.9%/yr trend). Census Bureau Vintage estimate: 228.
| Census data vintage | 2024 |
|---|---|
| Population | 17,149 people |
| Annual growth rate · Population change | -3.9% |
| Annual growth rate · Population (2022) | 260 |
| Annual growth rate · Population (2024) | 250 |
| Annual growth rate · Trend category | declining |
| Population | 250 people |
| Population Estimate | 228 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 45.2y is 6.3 years older than the U.S. median (38.9y). Children under 18 make up 31% — above the U.S. share of ~22%.
| Age Summary · Median age | 45.2 years (vs Arkansas 38.8y) |
|---|---|
| Age Summary · Children Pct | 30.8% |
| Age Summary · Character | established |
| Population under 18 | 77 |
| Median age | 45.2 years (vs Arkansas 38.8y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 250 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.19 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 240 |
|---|---|
| Black residents | 3 |
| Hispanic or Latino residents | 26 |
| Diversity Index · Diversity index (Simpson) | 19.4% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 89.2% |
| Black population | 0.8% |
| White (non-Hispanic) population | 93.2% |
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 (7)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 224 |
|---|---|
| Residents born in another state | 26 |
| Share born in this state | 89.6% |
| Share born in another state | 10.4% |
| Native-born U.S. citizens | 10.4% |
| Total foreign-born residents | 237 |
Households & Family Composition
78 households. Averaging 3.4 people each — larger than the U.S. average of 2.5. 80% are family households — above the U.S. share of ~65%. Of 59 families, 34% are married couples with children.
| Children under 18 | 98 |
|---|---|
| Total families | 59 |
| Married couples with children | 20 |
| Single-parent households | 11 |
| Average household size | 3.38 |
| Women who gave birth (past year) | 2.4% |
| Grandparents living with grandchildren | 8 |
| Grandparents responsible for grandchildren | 4 |
| Family households | 62 households |
| Households that are families | 79.5% |
| Total households | 78 households |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 3.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 356 residents per year on net (IRS migration data).
| Moved within the county (past year) | 3.6% |
|---|---|
| Migration · People moving in (annual) | 14,248 |
| Migration · People moving out (annual) | 14,604 |
| Migration · Net migration (in − out) | -356 |
| 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 | 30 |
|---|---|
| Disability rate | 11.1% |
Other
| Congressional District · District | 1 |
|---|---|
| Congressional District · Formatted | AR-01 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 5,001 |
| Cdc Birth Rate · State Fips | 5 |
| Cdc Birth Rate · County Fips | 1 |
| Cdc Birth Rate · County | Arkansas |
| Cdc Birth Rate · Birth Rate | 49.3% |
| Cdc Birth Rate · Lower Ci | 40.80 |
| Cdc Birth Rate · Upper Ci | 58.90 |
| Cdc Mortality · Fips | 5,001 |
| Cdc Mortality · County | Arkansas County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 793 |
| Cdc Vaccination · Fips | 5,001 |
| Cdc Vaccination · County | Arkansas County |
| Cdc Vaccination · Dose1 Pop Pct | 68.5% |
| Cdc Vaccination · Series Complete Pct | 58.5% |
| Cdc Vaccination · Booster Pct | 47.7% |
| Cdc Vaccination · Population 2019 | 17,486 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 5.00 |
| Family Score · Schools | 8 |
| Family Score · Children Pct | 30.8% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 250, declining, established, middle-class, blue collar |
| Town Summary · Population | 250 people |
| Town Summary · County | Arkansas County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade