Lac La Belle: Demographics & People
About 259 people live in Lac La Belle, in 97 households. Population shrank 6.5% from 277 (2022) to 259 (2024). Median age 54.1 years. (10.6y older than Waukesha County; 15.8y older than Wisconsin). Children under 18 are 19% of the population. Population is 94% White (non-Hispanic) and 2% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.11). 81% of households are family-led. County is gaining 371 residents per year (2022-2023). County health: 40% adult obesity, 14% smoke.
- 2.7 people per household (vs Wisconsin avg 2.4).
- 19% non-family households (singles, roommates) (vs Wisconsin 43%).
- 96 dependents per 100 working-age (youth + seniors / 18-64) (vs Wisconsin 66).
Population & Trend
Population shrank 6.5% from 277 (2022) to 259 (2024). Estimated 2026 population: ~242 (extrapolated at -3.2%/yr trend). Census Bureau Vintage estimate: 221.
| Census data vintage | 2024 |
|---|---|
| Population | 84,900 people |
| Annual growth rate · Population change | -6.5% |
| Annual growth rate · Population (2022) | 277 |
| Annual growth rate · Population (2024) | 259 |
| Annual growth rate · Trend category | shrinking |
| Population | 259 people (vs Wisconsin 25,785) |
| Population Estimate | 221 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 54.1y is 15.2 years older than the U.S. median (38.9y). Children under 18 make up 19% — below the U.S. share of ~22%.
| Age Summary · Median age | 54.1 years (vs Wisconsin 38.3y) |
|---|---|
| Age Summary · Children Pct | 19.3% |
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 259 |
| Age Summary · Under 18 | 50 |
| Age Summary · 18 To 34 | 29.0× |
| Age Summary · 35 To 64 | 103.0× |
| Age Summary · 65 Plus | 77 |
| Population under 18 | 50 |
| Median age | 54.1 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 259 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 | 266 |
|---|---|
| Black residents | 1 |
| Hispanic or Latino residents | 15 |
| Diversity Index · Diversity index (Simpson) | 10.7% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 94.3% |
| Black population | 0.4% (vs Wisconsin 2.7%) |
| Hispanic or Latino population | 2.3% (vs Wisconsin 6.6%) |
| White (non-Hispanic) population | 93.8% (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).
| Residents born in this state | 170 |
|---|---|
| Residents born in another state | 88 |
| Share born in this state | 65.6% |
| Share born in another state | 34.4% |
| Native-born U.S. citizens | 34.0% |
| Naturalized citizens | 0.4% |
| Total foreign-born residents | 8 |
| From Europe | 1 |
Households & Family Composition
97 households. Averaging 2.6 people each — matches the U.S. average of 2.5. 81% are family households — above the U.S. share of ~65%. Of 92 families, 33% are married couples with children.
| Children under 18 | 51 |
|---|---|
| Total families | 92 |
| Married couples with children | 30 |
| Average household size | 2.56 |
| Women who gave birth (past year) | 3.5% |
| Grandparents living with grandchildren | 951 |
| Grandparents responsible for grandchildren | 348 |
| Family households | 79 households (vs Wisconsin 7,092) |
| Households that are families | 81.4% (vs Wisconsin 57.2%) |
| Total households | 97 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. 8.1% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 371 residents per year on net (IRS migration data).
| Moved within the county (past year) | 8.1% |
|---|---|
| Migration · People moving in (annual) | 81,474 |
| Migration · People moving out (annual) | 81,103 |
| Migration · Net migration (in − out) | 371 |
| 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 | 8 |
|---|---|
| Disability rate | 3.2% |
Other
| Congressional District · District | 5 |
|---|---|
| Congressional District · Formatted | WI-05 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 55055 |
| Cdc Birth Rate · State Fips | 55 |
| Cdc Birth Rate · County Fips | 055 |
| Cdc Birth Rate · County | Jefferson |
| Cdc Birth Rate · Birth Rate | 7.6% |
| Cdc Birth Rate · Lower Ci | 6.20 |
| Cdc Birth Rate · Upper Ci | 9.10 |
| Cdc Mortality · Fips | 55055 |
| Cdc Mortality · County | Jefferson County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 2,497 |
| Cdc Vaccination · Fips | 55055 |
| Cdc Vaccination · County | Jefferson County |
| Cdc Vaccination · Dose1 Pop Pct | 63.8% |
| Cdc Vaccination · Series Complete Pct | 59.6% |
| Cdc Vaccination · Booster Pct | 61.0% |
| Cdc Vaccination · Population 2019 | 84,769 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 19.3% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 259, shrinking, retirement community, affluent, white collar |
| Town Summary · Population | 259 people (vs Wisconsin 25,785) |
| Town Summary · County | Jefferson County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade