St. Rose: Demographics & People
Census counts 593 people in St. Rose, in 210 households. Population grew 4.8% from 566 (2022) to 593 (2024). Median age 37.8 years. (3.7y younger than Clinton County; 1.3y younger than Illinois). Children under 18 are 31% of the population. Population is 93% White (non-Hispanic) and 6% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.11). 76% of households are family-led. County is losing 451 residents per year (2022-2023). County health: 35% adult obesity, 16% smoke.
- 2.8 people per household.
- 24% non-family households (singles, roommates).
Population & Trend
Population grew 4.8% from 566 (2022) to 593 (2024) — about 7.9× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~621 (extrapolated at 2.4%/yr trend). Census Bureau Vintage estimate: 661.
| Census data vintage | 2024 |
|---|---|
| Population | 36,899 people |
| Annual growth rate · Population change | 4.8% |
| Annual growth rate · Population (2022) | 566 |
| Annual growth rate · Population (2024) | 593 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 593 people |
| Population Estimate | 661 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 37.8y is 1.1 years younger than the U.S. median (38.9y). Children under 18 make up 31% — above the U.S. share of ~22%.
| Age Summary · Median age | 37.8 years (vs Illinois 39.1y) |
|---|---|
| Age Summary · Children Pct | 31.2% |
| Age Summary · Character | family-oriented |
| Population under 18 | 185 |
| Median age | 37.8 years (vs Illinois 39.1y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 593 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 | 558 |
|---|---|
| Asian residents | 3 |
| Hispanic or Latino residents | 30 |
| Diversity Index · Diversity index (Simpson) | 10.6% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 94.4% |
| Asian population | 0.3% |
| Hispanic or Latino population | 5.9% |
| White (non-Hispanic) population | 93.3% |
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). 0.7% are foreign-born — below the U.S. average of 13.9%. 6% have naturalized to U.S. citizenship.
| Residents born in this state | 465 |
|---|---|
| Residents born in another state | 88 |
| Share born in this state | 78.4% |
| Share born in another state | 21.6% |
| Native-born U.S. citizens | 14.8% |
| Foreign-born residents | 0.7% |
| Naturalized citizens | 6.1% |
| Total foreign-born residents | 3 |
| From Africa | 3 |
Households & Family Composition
210 households. Averaging 2.9 people each — larger than the U.S. average of 2.5. 76% are family households — above the U.S. share of ~65%. Of 154 families, 39% are married couples with children.
| Children under 18 | 177 |
|---|---|
| Total families | 154 |
| Married couples with children | 60 |
| Single-parent households | 3 |
| Average household size | 2.87 |
| Women who gave birth (past year) | 5.8% |
| Grandparents living with grandchildren | 53 |
| Grandparents responsible for grandchildren | 6 |
| Family households | 160 households |
| Households that are families | 76.2% |
| Total households | 210 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. 10.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 451 residents per year on net (IRS migration data).
| Moved within the county (past year) | 10.6% |
|---|---|
| Migration · People moving in (annual) | 34,599 |
| Migration · People moving out (annual) | 35,050 |
| Migration · Net migration (in − out) | -451 |
| 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 | 42 |
|---|---|
| Disability rate | 7.9% |
Other
| Congressional District · District | 12 |
|---|---|
| Congressional District · Formatted | IL-12 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 17,027 |
| Cdc Birth Rate · State Fips | 17 |
| Cdc Birth Rate · County Fips | 27 |
| Cdc Birth Rate · County | Clinton |
| Cdc Birth Rate · Birth Rate | 11.3% |
| Cdc Birth Rate · Lower Ci | 8.70 |
| Cdc Birth Rate · Upper Ci | 14.40 |
| Cdc Mortality · Fips | 17,027 |
| Cdc Mortality · County | Clinton County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,012 |
| Cdc Vaccination · Fips | 17,027 |
| Cdc Vaccination · County | Clinton County |
| Cdc Vaccination · Dose1 Pop Pct | 66.5% |
| Cdc Vaccination · Series Complete Pct | 61.1% |
| Cdc Vaccination · Booster Pct | 52.2% |
| Cdc Vaccination · Population 2019 | 37,562 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 31.2% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 593, growing, family-oriented, affluent, mixed |
| Town Summary · Population | 593 people |
| Town Summary · County | Clinton County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade