St. Charles: Demographics & People
St. Charles's population stands at 4,037 people, in 1,576 households. Population grew 0.4% from 4,021 (2022) to 4,037 (2024). Median age 39.5 years. (3.1y older than Winona County; 0.5y older than Minnesota). Children under 18 are 24% of the population. Population is 86% White (non-Hispanic) and 9% Asian. The community is relatively homogeneous (Simpson index 0.19). 65% of households are family-led. County is losing 312 residents per year (2022-2023). County health: 35% adult obesity, 16% smoke.
- 2.6 people per household.
- 35% non-family households (singles, roommates).
Population & Trend
Population grew 0.4% from 4,021 (2022) to 4,037 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~4,053 (extrapolated at 0.2%/yr trend). Census Bureau Vintage estimate: 4,074.
| Census data vintage | 2024 |
|---|---|
| Population | 49,671 people |
| Annual growth rate · Population change | 0.4% |
| Annual growth rate · Population (2022) | 4,021 |
| Annual growth rate · Population (2024) | 4,037 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 4,037 people |
| Population Estimate | 4,074 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 39.5y is 0.6 years older than the U.S. median (38.9y). Children under 18 make up 24% — above the U.S. share of ~22%.
| Age Summary · Median age | 39.5 years (vs Minnesota 39.0y) |
|---|---|
| Age Summary · Children Pct | 24.2% |
| Age Summary · Character | family-oriented |
| Population under 18 | 976 |
| Median age | 39.5 years (vs Minnesota 39.0y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 4,037 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 | 3,595 |
|---|---|
| Asian residents | 290 |
| Hispanic or Latino residents | 131 |
| Diversity Index · Diversity index (Simpson) | 19.2% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 89.5% |
| Asian population | 8.7% |
| Hispanic or Latino population | 4.1% |
| White (non-Hispanic) population | 86.4% |
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). 1.7% are foreign-born — below the U.S. average of 13.9%. 7% have naturalized to U.S. citizenship.
| Residents born in this state | 3,053 |
|---|---|
| Residents born in another state | 633 |
| Share born in this state | 75.6% |
| Share born in another state | 24.4% |
| Native-born U.S. citizens | 15.7% |
| Foreign-born residents | 1.7% |
| Naturalized citizens | 7.0% |
| Total foreign-born residents | 192 |
| From Africa | 130 |
Households & Family Composition
1,576 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 65% are family households — near the U.S. share of ~65%. Of 1,059 families, 33% are married couples with children.
| Children under 18 | 960 |
|---|---|
| Total families | 1,059 |
| Married couples with children | 354 |
| Single-parent households | 73 |
| Average household size | 2.48 |
| Women who gave birth (past year) | 12.2% |
| Grandparents living with grandchildren | 41 |
| Family households | 1,024 households |
| Households that are families | 65.0% |
| Total households | 1,576 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. 8.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 312 residents per year on net (IRS migration data).
| Moved within the county (past year) | 8.5% |
|---|---|
| Migration · People moving in (annual) | 42,164 |
| Migration · People moving out (annual) | 42,476 |
| Migration · Net migration (in − out) | -312 |
| 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 | 184 |
|---|---|
| Disability rate | 4.7% |
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. 40 residents live in group quarters (1.0% of population).
| Living in group quarters | 40 |
|---|
Other
| Congressional District · District | 1 |
|---|---|
| Congressional District · Formatted | MN-01 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 27,169 |
| Cdc Birth Rate · State Fips | 27 |
| Cdc Birth Rate · County Fips | 169 |
| Cdc Birth Rate · County | Winona |
| Cdc Birth Rate · Birth Rate | 4.6% |
| Cdc Birth Rate · Lower Ci | 3.50 |
| Cdc Birth Rate · Upper Ci | 5.90 |
| Cdc Mortality · Fips | 27,169 |
| Cdc Mortality · County | Winona County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 1,257 |
| Cdc Vaccination · Fips | 27,169 |
| Cdc Vaccination · County | Winona County |
| Cdc Vaccination · Dose1 Pop Pct | 76.3% |
| Cdc Vaccination · Series Complete Pct | 68.8% |
| Cdc Vaccination · Booster Pct | 60.2% |
| Cdc Vaccination · Population 2019 | 50,484 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 10 |
| Family Score · Schools | 19 |
| Family Score · Children Pct | 24.2% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 4,037, stable, family-oriented, upper-middle, mixed |
| Town Summary · Population | 4,037 people |
| Town Summary · County | Winona County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade