St. Francisville: Demographics & People
About 142 people live in St. Francisville, in 60 households. Population shrank 19.8% from 177 (2022) to 142 (2024). Median age 53.8 years. (10.3y older than Clark County; 14.6y older than Missouri). Children under 18 are 25% of the population. Population is 100% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.18). 75% of households are family-led. County is losing 306 residents per year (2022-2023). County health: 40% adult obesity, 25% smoke.
- 2.4 people per household.
- 25% non-family households (singles, roommates).
Population & Trend
Population shrank 19.8% from 177 (2022) to 142 (2024). Estimated 2026 population: ~115 (extrapolated at -9.9%/yr trend). Census Bureau Vintage estimate: 84.
| Census data vintage | 2024 |
|---|---|
| Population | 6,634 people |
| Annual growth rate · Population change | -19.8% |
| Annual growth rate · Population (2022) | 177 |
| Annual growth rate · Population (2024) | 142 |
| Annual growth rate · Trend category | shrinking |
| Population | 142 people |
| Population Estimate | 84 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 53.8y is 14.9 years older than the U.S. median (38.9y). Children under 18 make up 25% — above the U.S. share of ~22%.
| Age Summary · Median age | 53.8 years (vs Missouri 39.2y) |
|---|---|
| Age Summary · Children Pct | 25.4% |
| Age Summary · Character | retirement community |
| Population under 18 | 36 |
| Median age | 53.8 years (vs Missouri 39.2y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 142 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.18 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 152 |
|---|---|
| Asian residents | 17 |
| Diversity Index · Diversity index (Simpson) | 18.1% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 2 |
| Diversity Index · Largest group share | 89.9% |
| White (non-Hispanic) population | 100.0% |
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 (5)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 41 |
|---|---|
| Residents born in another state | 101 |
| Share born in this state | 28.9% |
| Share born in another state | 71.1% |
| Native-born U.S. citizens | 71.1% |
| Total foreign-born residents | 18 |
| From Africa | 18 |
Households & Family Composition
60 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 75% are family households — above the U.S. share of ~65%. Of 52 families, 33% are married couples with children.
| Children under 18 | 69 |
|---|---|
| Total families | 52 |
| Married couples with children | 17 |
| Average household size | 2.53 |
| Women who gave birth (past year) | 12.7% |
| Grandparents living with grandchildren | 79 |
| Grandparents responsible for grandchildren | 53 |
| Family households | 45 households |
| Households that are families | 75.0% |
| Total households | 60 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. The surrounding county is losing 306 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 5,816 |
|---|---|
| Migration · People moving out (annual) | 6,122 |
| Migration · Net migration (in − out) | -306 |
| 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 | 6 |
|---|---|
| Disability rate | 3.0% |
Other
| Congressional District · District | 6 |
|---|---|
| Congressional District · Formatted | MO-06 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 29,045 |
| Cdc Birth Rate · State Fips | 29 |
| Cdc Birth Rate · County Fips | 45 |
| Cdc Birth Rate · County | Clark |
| Cdc Birth Rate · Birth Rate | 21.3% |
| Cdc Birth Rate · Lower Ci | 14.00 |
| Cdc Birth Rate · Upper Ci | 31.10 |
| Cdc Mortality · Fips | 29,045 |
| Cdc Mortality · County | Clark County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 199 |
| Cdc Vaccination · Fips | 29,045 |
| Cdc Vaccination · County | Clark County |
| Cdc Vaccination · Dose1 Pop Pct | 38.9% |
| Cdc Vaccination · Series Complete Pct | 33.1% |
| Cdc Vaccination · Booster Pct | 51.5% |
| Cdc Vaccination · Population 2019 | 6,797 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 3.50 |
| Family Score · Schools | 5 |
| Family Score · Children Pct | 25.4% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 142, shrinking, retirement community, high crime, heritage: Irish/German |
| Town Summary · Population | 142 people |
| Town Summary · County | Clark County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade