St. Elizabeth: Demographics & People
About 587 people live in St. Elizabeth, in 155 households. Population shrank 0.8% from 592 (2022) to 587 (2024). Median age 29.6 years. (11.7y younger than Miller County; 9.6y younger than Missouri). Children under 18 are 33% of the population. Population is 98% White (non-Hispanic) and 2% Black. The community is relatively homogeneous (Simpson index 0.04). 81% of households are family-led. County is gaining 186 residents per year (2022-2023). County health: 40% adult obesity, 24% smoke.
- 3.8 people per household.
- 19% non-family households (singles, roommates).
Population & Trend
Population shrank 0.8% from 592 (2022) to 587 (2024). Estimated 2026 population: ~582 (extrapolated at -0.4%/yr trend). Census Bureau Vintage estimate: 575.
| Census data vintage | 2024 |
|---|---|
| Population | 24,722 people |
| Annual growth rate · Population change | -0.8% |
| Annual growth rate · Population (2022) | 592 |
| Annual growth rate · Population (2024) | 587 |
| Annual growth rate · Trend category | stable |
| Population | 587 people |
| Population Estimate | 575 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 29.6y is 9.3 years younger than the U.S. median (38.9y). Children under 18 make up 33% — above the U.S. share of ~22%.
| Age Summary · Median age | 29.6 years (vs Missouri 39.2y) |
|---|---|
| Age Summary · Children Pct | 33.2% |
| Age Summary · Character | young community |
| Population under 18 | 195 |
| Median age | 29.6 years (vs Missouri 39.2y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 587 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.04 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 572 |
|---|---|
| Black residents | 11 |
| Hispanic or Latino residents | 2 |
| Diversity Index · Diversity index (Simpson) | 4.4% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 97.8% |
| Black population | 1.9% |
| White (non-Hispanic) population | 97.8% |
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). 0.9% are foreign-born — below the U.S. average of 13.9%.
| Residents born in this state | 545 |
|---|---|
| Residents born in another state | 37 |
| Share born in this state | 92.8% |
| Share born in another state | 7.2% |
| Native-born U.S. citizens | 6.3% |
| Foreign-born residents | 0.9% |
| Total foreign-born residents | 2 |
Households & Family Composition
155 households. Averaging 3.6 people each — larger than the U.S. average of 2.5. 81% are family households — above the U.S. share of ~65%. Of 126 families, 48% are married couples with children.
| Children under 18 | 225 |
|---|---|
| Total families | 126 |
| Married couples with children | 61 |
| Single-parent households | 4 |
| Average household size | 3.58 |
| Women who gave birth (past year) | 7.5% |
| Grandparents living with grandchildren | 10 |
| Family households | 126 households |
| Households that are families | 81.3% |
| Total households | 155 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. 11.2% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 186 residents per year on net (IRS migration data).
| Moved within the county (past year) | 11.2% |
|---|---|
| Migration · People moving in (annual) | 23,292 |
| Migration · People moving out (annual) | 23,106 |
| Migration · Net migration (in − out) | 186 |
| 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 | 11 |
|---|---|
| Disability rate | 2.3% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 57 residents live in group quarters (9.7% of population).
| Living in group quarters | 57 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Formatted | MO-03 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 29,131 |
| Cdc Birth Rate · State Fips | 29 |
| Cdc Birth Rate · County Fips | 131 |
| Cdc Birth Rate · County | Miller |
| Cdc Birth Rate · Birth Rate | 29.2% |
| Cdc Birth Rate · Lower Ci | 24.00 |
| Cdc Birth Rate · Upper Ci | 35.20 |
| Cdc Mortality · Fips | 29,131 |
| Cdc Mortality · County | Miller County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 819 |
| Cdc Vaccination · Fips | 29,131 |
| Cdc Vaccination · County | Miller County |
| Cdc Vaccination · Dose1 Pop Pct | 39.3% |
| Cdc Vaccination · Series Complete Pct | 34.6% |
| Cdc Vaccination · Booster Pct | 45.5% |
| Cdc Vaccination · Population 2019 | 25,619 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 6.00 |
| Family Score · Schools | 10 |
| Family Score · Children Pct | 33.2% |
| Family Score · Rating | good |
| Town Summary · Key Facts | population 587, stable, young community, affluent, white collar |
| Town Summary · Population | 587 people |
| Town Summary · County | Miller County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade