Randolph: Demographics & People
Randolph's population stands at 1,642 people, in 642 households. Population grew 4.3% from 1,574 (2022) to 1,642 (2024). Median age 35.9 years. (7.1y younger than Dodge County; 2.4y younger than Wisconsin). Children under 18 are 27% of the population. Population is 92% White (non-Hispanic) and 5% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.09). 62% of households are family-led. County is losing 335 residents per year (2022-2023). County health: 39% adult obesity, 16% smoke.
- 2.6 people per household (vs Wisconsin avg 2.4).
- 38% non-family households (singles, roommates) (vs Wisconsin 43%).
- 85 dependents per 100 working-age (youth + seniors / 18-64) (vs Wisconsin 66).
Population & Trend
Population grew 4.3% from 1,574 (2022) to 1,642 (2024) — about 7.2× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~1,713 (extrapolated at 2.2%/yr trend). Census Bureau Vintage estimate: 1,812.
| Census data vintage | 2024 |
|---|---|
| Population | 58,490 people |
| Annual growth rate · Population change | 4.3% |
| Annual growth rate · Population (2022) | 1,574 |
| Annual growth rate · Population (2024) | 1,642 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 1,642 people (vs Wisconsin 25,785) |
| Population Estimate | 1,812 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 35.9y is 3.0 years younger than the U.S. median (38.9y). Children under 18 make up 27% — above the U.S. share of ~22%.
| Age Summary · Median age | 35.9 years (vs Wisconsin 38.3y) |
|---|---|
| Age Summary · Children Pct | 27.4% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 1,642 |
| Age Summary · Under 18 | 450 |
| Age Summary · 18 To 34 | 340.0× |
| Age Summary · 35 To 64 | 547.0× |
| Age Summary · 65 Plus | 305 |
| Population under 18 | 450 |
| Median age | 35.9 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 1,642 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.09 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 1,472 |
|---|---|
| Black residents | 3 |
| Hispanic or Latino residents | 69 |
| Diversity Index · Diversity index (Simpson) | 8.9% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 95.3% |
| Asian population | 0.4% (vs Wisconsin 3.1%) |
| Black population | 0.2% (vs Wisconsin 2.7%) |
| Hispanic or Latino population | 4.6% (vs Wisconsin 6.6%) |
| White (non-Hispanic) population | 92.4% (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). 0.3% are foreign-born — below the U.S. average of 13.9%. 1% have naturalized to U.S. citizenship.
| Residents born in this state | 1,392 |
|---|---|
| Residents born in another state | 226 |
| Share born in this state | 84.8% |
| Share born in another state | 15.2% |
| Native-born U.S. citizens | 13.8% |
| Foreign-born residents | 0.3% |
| Naturalized citizens | 1.2% |
| Total foreign-born residents | 32 |
| From Europe | 12 |
Households & Family Composition
642 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 62% are family households — below the U.S. share of ~65%. Of 385 families, 47% are married couples with children.
| Children under 18 | 421 |
|---|---|
| Total families | 385 |
| Married couples with children | 182 |
| Single-parent households | 10 |
| Average household size | 2.47 |
| Women who gave birth (past year) | 9.9% |
| Grandparents living with grandchildren | 3 |
| Family households | 401 households (vs Wisconsin 7,092) |
| Households that are families | 62.5% (vs Wisconsin 57.2%) |
| Total households | 642 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. 14.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 335 residents per year on net (IRS migration data).
| Moved within the county (past year) | 14.8% |
|---|---|
| Migration · People moving in (annual) | 58,602 |
| Migration · People moving out (annual) | 58,937 |
| Migration · Net migration (in − out) | -335 |
| 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 | 60 |
|---|---|
| Disability rate | 4.2% |
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. 94 residents live in group quarters (5.7% of population).
| Living in group quarters | 94 |
|---|
Other
| Congressional District · District | 6 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 55021 |
| Cdc Birth Rate · State Fips | 55 |
| Cdc Birth Rate · County Fips | 021 |
| Cdc Birth Rate · County | Columbia |
| Cdc Birth Rate · Birth Rate | 9.0% |
| Cdc Birth Rate · Lower Ci | 7.20 |
| Cdc Birth Rate · Upper Ci | 11.30 |
| Cdc Mortality · Fips | 55021 |
| Cdc Mortality · County | Columbia County |
| Cdc Mortality · Urban Rural | Medium metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,833 |
| Cdc Vaccination · Fips | 55021 |
| Cdc Vaccination · County | Columbia County |
| Cdc Vaccination · Dose1 Pop Pct | 73.9% |
| Cdc Vaccination · Series Complete Pct | 69.2% |
| Cdc Vaccination · Booster Pct | 65.0% |
| Cdc Vaccination · Population 2019 | 57,532 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 3.30 |
| Family Score · Schools | 3 |
| Family Score · Childcare Centers | 1 |
| Family Score · Youth Sports Orgs | 1 |
| Family Score · Children Pct | 27.4% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 1,642, growing, family-oriented, middle-class, mixed |
| Town Summary · Population | 1,642 people (vs Wisconsin 25,785) |
| Town Summary · County | Columbia County |
Sources: NCES school congressional district assignment · federal dataset cascade