St. Michael: Demographics & People
St. Michael is home to 20,010 people, in 7,189 households. Population grew 3.9% from 19,267 (2022) to 20,010 (2024). Median age 37.6 years. (1.4y younger than Minnesota). Children under 18 are 28% of the population. Population is 86% White (non-Hispanic) and 5% Black. The community is relatively homogeneous (Simpson index 0.17). 76% of households are family-led. County is gaining 5,778 residents per year (2022-2023). County health: 37% adult obesity, 14% smoke.
- 2.8 people per household.
- 24% non-family households (singles, roommates).
Population & Trend
Population grew 3.9% from 19,267 (2022) to 20,010 (2024) — about 6.4× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~20,789 (extrapolated at 1.9%/yr trend). Census Bureau Vintage estimate: 21,859.
| Census data vintage | 2024 |
|---|---|
| Population | 141,337 people |
| Annual growth rate · Population change | 3.9% |
| Annual growth rate · Population (2022) | 19,267 |
| Annual growth rate · Population (2024) | 20,010 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 20,010 people |
| Population Estimate | 21,859 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 37.6y is 1.3 years younger than the U.S. median (38.9y). Children under 18 make up 28% — above the U.S. share of ~22%.
| Age Summary · Median age | 37.6 years (vs Minnesota 39.0y) |
|---|---|
| Age Summary · Children Pct | 27.6% |
| Age Summary · Character | family-oriented |
| Population under 18 | 5,515 |
| Median age | 37.6 years (vs Minnesota 39.0y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 20,010 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.17 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 16,992 |
|---|---|
| Black residents | 770 |
| Asian residents | 496 |
| Hispanic or Latino residents | 416 |
| Diversity Index · Diversity index (Simpson) | 16.9% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 91.0% |
| Asian population | 2.7% |
| Black population | 5.1% |
| Hispanic or Latino population | 2.6% |
| White (non-Hispanic) population | 85.5% |
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). 1.3% are foreign-born — below the U.S. average of 13.9%. 5% have naturalized to U.S. citizenship.
| Residents born in this state | 14,772 |
|---|---|
| Residents born in another state | 3,935 |
| Share born in this state | 73.8% |
| Share born in another state | 26.2% |
| Native-born U.S. citizens | 19.7% |
| Foreign-born residents | 1.3% |
| Naturalized citizens | 5.2% |
| Total foreign-born residents | 499 |
| From Europe | 87 |
| From Africa | 163 |
Households & Family Composition
7,189 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 76% are family households — above the U.S. share of ~65%. Of 5,285 families, 47% are married couples with children.
| Children under 18 | 5,539 |
|---|---|
| Total families | 5,285 |
| Married couples with children | 2,482 |
| Single-parent households | 176 |
| Average household size | 2.76 |
| Women who gave birth (past year) | 13.2% |
| Grandparents living with grandchildren | 58 |
| Family households | 5,468 households |
| Households that are families | 76.1% |
| Total households | 7,189 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. 5.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 5,778 residents per year on net (IRS migration data).
| Moved within the county (past year) | 5.5% |
|---|---|
| Migration · People moving in (annual) | 157,206 |
| Migration · People moving out (annual) | 151,428 |
| Migration · Net migration (in − out) | 5,778 |
| 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 | 724 |
|---|---|
| Disability rate | 3.9% |
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. 10 residents live in group quarters (0.0% of population).
| Living in group quarters | 10 |
|---|
Other
| Congressional District · District | 6 |
|---|---|
| Congressional District · Formatted | MN-06 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 27,171 |
| Cdc Birth Rate · State Fips | 27 |
| Cdc Birth Rate · County Fips | 171 |
| Cdc Birth Rate · County | Wright |
| Cdc Birth Rate · Birth Rate | 5.4% |
| Cdc Birth Rate · Lower Ci | 4.50 |
| Cdc Birth Rate · Upper Ci | 6.40 |
| Cdc Mortality · Fips | 27,171 |
| Cdc Mortality · County | Wright County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 2,657 |
| Cdc Vaccination · Fips | 27,171 |
| Cdc Vaccination · County | Wright County |
| Cdc Vaccination · Dose1 Pop Pct | 60.3% |
| Cdc Vaccination · Series Complete Pct | 57.1% |
| Cdc Vaccination · Booster Pct | 59.5% |
| Cdc Vaccination · Population 2019 | 138,377 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 27.6% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 20,010, growing, family-oriented, affluent, white collar |
| Town Summary · Population | 20,010 people |
| Town Summary · County | Wright County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade