St. Joseph: Demographics & People
548 people call St. Joseph home, in 208 households. Population grew 3.4% from 530 (2022) to 548 (2024). Median age 36.8 years. (0.7y younger than La Crosse County; 1.5y younger than Wisconsin). Children under 18 are 21% of the population. Population is 91% White (non-Hispanic) and 2% Asian. The community is relatively homogeneous (Simpson index 0.13). 65% of households are family-led. County is gaining 838 residents per year (2022-2023). County health: 35% adult obesity, 14% smoke.
- 2.6 people per household (vs Wisconsin avg 2.4).
- 35% non-family households (singles, roommates) (vs Wisconsin 43%).
- 80 dependents per 100 working-age (youth + seniors / 18-64) (vs Wisconsin 66).
Population & Trend
Population grew 3.4% from 530 (2022) to 548 (2024) — about 5.7× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~566 (extrapolated at 1.7%/yr trend). Census Bureau Vintage estimate: 592.
| Census data vintage | 2024 |
|---|---|
| Population | 120,784 people |
| Annual growth rate · Population change | 3.4% |
| Annual growth rate · Population (2022) | 530 |
| Annual growth rate · Population (2024) | 548 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 548 people (vs Wisconsin 25,785) |
| Population Estimate | 592 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 36.8y is 2.1 years younger than the U.S. median (38.9y). Children under 18 make up 21% — near the U.S. share of ~22%.
| Age Summary · Median age | 36.8 years (vs Wisconsin 38.3y) |
|---|---|
| Age Summary · Children Pct | 21.4% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 548 |
| Age Summary · Under 18 | 117 |
| Age Summary · 18 To 34 | 147.0× |
| Age Summary · 35 To 64 | 157.0× |
| Age Summary · 65 Plus | 127 |
| Population under 18 | 117 |
| Median age | 36.8 years (vs Wisconsin 38.3y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 548 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.13 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 453 |
|---|---|
| Black residents | 17 |
| Asian residents | 16 |
| Diversity Index · Diversity index (Simpson) | 12.9% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 93.2% |
| Asian population | 2.2% (vs Wisconsin 3.1%) |
| White (non-Hispanic) population | 90.7% (vs Wisconsin 81.6%) |
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). 0.9% are foreign-born — below the U.S. average of 13.9%. 2% have naturalized to U.S. citizenship.
| Residents born in this state | 418 |
|---|---|
| Residents born in another state | 113 |
| Share born in this state | 76.3% |
| Share born in another state | 23.7% |
| Native-born U.S. citizens | 20.6% |
| Foreign-born residents | 0.9% |
| Naturalized citizens | 2.2% |
| Total foreign-born residents | 3,483 |
Households & Family Composition
208 households. Averaging 2.4 people each — smaller than the U.S. average of 2.5. 65% are family households — near the U.S. share of ~65%. Of 136 families, 36% are married couples with children.
| Children under 18 | 113 |
|---|---|
| Total families | 136 |
| Married couples with children | 49 |
| Single-parent households | 15 |
| Average household size | 2.36 |
| Grandparents living with grandchildren | 555 |
| Grandparents responsible for grandchildren | 205 |
| Family households | 135 households (vs Wisconsin 7,092) |
| Households that are families | 64.9% (vs Wisconsin 57.2%) |
| Total households | 208 households (vs Wisconsin 10,843) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 9.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 838 residents per year on net (IRS migration data).
| Moved within the county (past year) | 9.6% |
|---|---|
| Migration · People moving in (annual) | 108,366 |
| Migration · People moving out (annual) | 107,528 |
| Migration · Net migration (in − out) | 838 |
| 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 | 32 |
|---|---|
| Disability rate | 6.4% |
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. 54 residents live in group quarters (9.9% of population).
| Living in group quarters | 54 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Formatted | WI-03 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 55063 |
| Cdc Birth Rate · State Fips | 55 |
| Cdc Birth Rate · County Fips | 063 |
| Cdc Birth Rate · County | La Crosse |
| Cdc Birth Rate · Birth Rate | 5.2% |
| Cdc Birth Rate · Lower Ci | 4.40 |
| Cdc Birth Rate · Upper Ci | 6.20 |
| Cdc Mortality · Fips | 55063 |
| Cdc Mortality · County | La Crosse County |
| Cdc Mortality · Urban Rural | Small metro |
| Cdc Mortality · Total Deaths 2020 2023 | 5,717 |
| Cdc Vaccination · Fips | 55063 |
| Cdc Vaccination · County | La Crosse County |
| Cdc Vaccination · Dose1 Pop Pct | 77.4% |
| Cdc Vaccination · Series Complete Pct | 72.2% |
| Cdc Vaccination · Booster Pct | 65.6% |
| Cdc Vaccination · Population 2019 | 118,016 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 21.4% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 548, growing, family-oriented, upper-middle, mixed |
| Town Summary · Population | 548 people (vs Wisconsin 25,785) |
| Town Summary · County | La Crosse County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade