St. George: Demographics & People
About 1,458 people live in St. George, in 654 households. Population shrank 7.0% from 1,568 (2022) to 1,458 (2024). Median age 39.6 years. (0.7y younger than St. Louis County). Children under 18 are 20% of the population. Population is 80% White (non-Hispanic) and 6% Asian. The community is relatively homogeneous (Simpson index 0.11). 55% of households are family-led. County is losing 10,393 residents per year (2022-2023). County health: 33% adult obesity, 17% smoke.
- 2.2 people per household.
- 45% non-family households (singles, roommates).
Population & Trend
Population shrank 7.0% from 1,568 (2022) to 1,458 (2024). Estimated 2026 population: ~1,357 (extrapolated at -3.5%/yr trend). Census Bureau Vintage estimate: 1,230.
| Census data vintage | 2024 |
|---|---|
| Population | 1,004,125 people |
| Annual growth rate · Population change | -7.0% |
| Annual growth rate · Population (2022) | 1,568 |
| Annual growth rate · Population (2024) | 1,458 |
| Annual growth rate · Trend category | shrinking |
| Population | 1,458 people |
| Population Estimate | 1,230 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 39.6y is 0.7 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 | 39.6 years (vs Missouri 39.2y) |
|---|---|
| Age Summary · Children Pct | 19.9% |
| Age Summary · Character | family-oriented |
| Population under 18 | 290 |
| Median age | 39.6 years (vs Missouri 39.2y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 1,458 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.11 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 1,384 |
|---|---|
| Black residents | 41 |
| Asian residents | 41 |
| Diversity Index · Diversity index (Simpson) | 10.7% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 94.4% |
| Asian population | 5.8% |
| Black population | 3.0% |
| Hispanic or Latino population | 3.9% |
| White (non-Hispanic) population | 79.6% |
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). 1.0% are foreign-born — below the U.S. average of 13.9%. 26% have naturalized to U.S. citizenship.
| Residents born in this state | 949 |
|---|---|
| Residents born in another state | 111 |
| Share born in this state | 65.1% |
| Share born in another state | 34.9% |
| Native-born U.S. citizens | 7.6% |
| Foreign-born residents | 1.0% |
| Naturalized citizens | 26.3% |
| Total foreign-born residents | 557 |
| From Europe | 499 |
| From Africa | 55 |
Households & Family Composition
654 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 55% are family households — below the U.S. share of ~65%. Of 442 families, 44% are married couples with children.
| Children under 18 | 338 |
|---|---|
| Total families | 442 |
| Married couples with children | 195 |
| Average household size | 2.50 |
| Women who gave birth (past year) | 15.2% |
| Grandparents living with grandchildren | 14,487 |
| Grandparents responsible for grandchildren | 5,588 |
| Family households | 360 households |
| Households that are families | 55.0% |
| Total households | 654 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. 23.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 10,393 residents per year on net (IRS migration data).
| Moved within the county (past year) | 23.5% |
|---|---|
| Migration · People moving in (annual) | 897,558 |
| Migration · People moving out (annual) | 907,951 |
| Migration · Net migration (in − out) | -10,393 |
| 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 | 64 |
|---|---|
| Disability rate | 3.4% |
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Formatted | MO-02 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 29,189 |
| Cdc Birth Rate · State Fips | 29 |
| Cdc Birth Rate · County Fips | 189 |
| Cdc Birth Rate · County | St Louis |
| Cdc Birth Rate · Birth Rate | 13.0% |
| Cdc Birth Rate · Lower Ci | 12.30 |
| Cdc Birth Rate · Upper Ci | 13.70 |
| Cdc Mortality · Fips | 29,189 |
| Cdc Mortality · County | St. Louis County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 48,207 |
| Cdc Vaccination · Fips | 29,189 |
| Cdc Vaccination · County | St. Louis County |
| Cdc Vaccination · Dose1 Pop Pct | 79.7% |
| Cdc Vaccination · Series Complete Pct | 68.5% |
| Cdc Vaccination · Booster Pct | 55.1% |
| Cdc Vaccination · Population 2019 | 994,205 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 19.9% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 1,458, shrinking, family-oriented, middle-class, mixed |
| Town Summary · Population | 1,458 people |
| Town Summary · County | St. Louis County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade