St. Augusta: Demographics & People
St. Augusta's population stands at 3,625 people, in 1,248 households. Population grew 1.4% from 3,576 (2022) to 3,625 (2024). Median age 36.3 years. (1.2y older than Stearns County; 2.7y younger than Minnesota). Children under 18 are 30% of the population. Population is 94% White (non-Hispanic) and 5% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.10). 76% of households are family-led. County is losing 1,507 residents per year (2022-2023). County health: 38% adult obesity, 15% smoke.
- 2.9 people per household.
- 24% non-family households (singles, roommates).
Population & Trend
Population grew 1.4% from 3,576 (2022) to 3,625 (2024) — about 2.3× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~3,674 (extrapolated at 0.7%/yr trend). Census Bureau Vintage estimate: 3,741.
| Census data vintage | 2024 |
|---|---|
| Population | 158,292 people |
| Annual growth rate · Population change | 1.4% |
| Annual growth rate · Population (2022) | 3,576 |
| Annual growth rate · Population (2024) | 3,625 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 3,625 people |
| Population Estimate | 3,741 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 36.3y is 2.6 years younger than the U.S. median (38.9y). Children under 18 make up 30% — above the U.S. share of ~22%.
| Age Summary · Median age | 36.3 years (vs Minnesota 39.0y) |
|---|---|
| Age Summary · Children Pct | 29.7% |
| Age Summary · Character | family-oriented |
| Population under 18 | 1,075 |
| Median age | 36.3 years (vs Minnesota 39.0y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 3,625 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.10 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 3,554 |
|---|---|
| Black residents | 2 |
| Hispanic or Latino residents | 186 |
| Diversity Index · Diversity index (Simpson) | 9.6% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 95.0% |
| Hispanic or Latino population | 4.6% |
| White (non-Hispanic) population | 94.2% |
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%. 0% have naturalized to U.S. citizenship.
| Residents born in this state | 3,201 |
|---|---|
| Residents born in another state | 360 |
| Share born in this state | 88.3% |
| Share born in another state | 11.7% |
| Native-born U.S. citizens | 9.9% |
| Foreign-born residents | 1.3% |
| Naturalized citizens | 0.4% |
| Total foreign-born residents | 75 |
| From Europe | 1 |
| From Africa | 62 |
Households & Family Composition
1,248 households. Averaging 3.1 people each — larger than the U.S. average of 2.5. 76% are family households — above the U.S. share of ~65%. Of 904 families, 44% are married couples with children.
| Children under 18 | 974 |
|---|---|
| Total families | 904 |
| Married couples with children | 401 |
| Single-parent households | 19 |
| Average household size | 3.10 |
| Women who gave birth (past year) | 8.2% |
| Grandparents living with grandchildren | 6 |
| Family households | 953 households |
| Households that are families | 76.4% |
| Total households | 1,248 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. 8.0% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,507 residents per year on net (IRS migration data).
| Moved within the county (past year) | 8.0% |
|---|---|
| Migration · People moving in (annual) | 154,040 |
| Migration · People moving out (annual) | 155,547 |
| Migration · Net migration (in − out) | -1,507 |
| 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 | 115 |
|---|---|
| Disability rate | 3.3% |
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. 8 residents live in group quarters (0.2% of population).
| Living in group quarters | 8 |
|---|
Other
| Congressional District · District | 6 |
|---|---|
| Congressional District · Formatted | MN-06 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 27,145 |
| Cdc Birth Rate · State Fips | 27 |
| Cdc Birth Rate · County Fips | 145 |
| Cdc Birth Rate · County | Stearns |
| Cdc Birth Rate · Birth Rate | 8.1% |
| Cdc Birth Rate · Lower Ci | 7.00 |
| Cdc Birth Rate · Upper Ci | 9.20 |
| Cdc Mortality · Fips | 27,145 |
| Cdc Mortality · County | Stearns County |
| Cdc Mortality · Urban Rural | Small metro |
| Cdc Mortality · Total Deaths 2020 2023 | 6,490 |
| Cdc Vaccination · Fips | 27,145 |
| Cdc Vaccination · County | Stearns County |
| Cdc Vaccination · Dose1 Pop Pct | 66.4% |
| Cdc Vaccination · Series Complete Pct | 61.7% |
| Cdc Vaccination · Booster Pct | 56.8% |
| Cdc Vaccination · Population 2019 | 161,075 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 29.7% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 3,625, growing, family-oriented, affluent, white collar |
| Town Summary · Population | 3,625 people |
| Town Summary · County | Stearns County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade