St. Mary of the Woods: Demographics & People
Census counts 959 people in St. Mary of the Woods, in 304 households. Population grew 10.4% from 869 (2022) to 959 (2024). Median age 53.5 years. (17.2y older than Vigo County; 15.3y older than Indiana). Children under 18 are 13% of the population. Population is 91% White (non-Hispanic) and 4% Black. The community is relatively homogeneous (Simpson index 0.00). 29% of households are family-led. County is losing 387 residents per year (2022-2023). County health: 41% adult obesity, 21% smoke.
- 3.2 people per household.
- 71% non-family households (singles, roommates).
Population & Trend
Population grew 10.4% from 869 (2022) to 959 (2024) — about 17.3× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~1,060 (extrapolated at 5.2%/yr trend). Census Bureau Vintage estimate: 1,207.
| Census data vintage | 2024 |
|---|---|
| Population | 106,153 people |
| Annual growth rate · Population change | 10.4% |
| Annual growth rate · Population (2022) | 869 |
| Annual growth rate · Population (2024) | 959 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 959 people |
| Population Estimate | 1,207 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 53.5y is 14.6 years older than the U.S. median (38.9y). Children under 18 make up 13% — below the U.S. share of ~22%.
| Age Summary · Median age | 53.5 years (vs Indiana 38.2y) |
|---|---|
| Age Summary · Children Pct | 12.8% |
| Age Summary · Character | retirement community |
| Population under 18 | 123 |
| Median age | 53.5 years (vs Indiana 38.2y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 959 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.00 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 824 |
|---|---|
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 1 |
| Diversity Index · Largest group share | 100.0% |
| Asian population | 2.0% |
| Black population | 4.1% |
| White (non-Hispanic) population | 90.6% |
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 (7)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 631 |
|---|---|
| Residents born in another state | 328 |
| Share born in this state | 65.8% |
| Share born in another state | 34.2% |
| Native-born U.S. citizens | 34.2% |
| Total foreign-born residents | 8 |
Households & Family Composition
304 households. Averaging 1.9 people each — smaller than the U.S. average of 2.5. 29% are family households — below the U.S. share of ~65%. Of 84 families, 49% are married couples with children.
| Children under 18 | 95 |
|---|---|
| Total families | 84 |
| Married couples with children | 41 |
| Average household size | 1.87 |
| Women who gave birth (past year) | 11.3% |
| Grandparents living with grandchildren | 1,712 |
| Grandparents responsible for grandchildren | 621 |
| Family households | 87 households |
| Households that are families | 28.6% |
| Total households | 304 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. 13.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 387 residents per year on net (IRS migration data).
| Moved within the county (past year) | 13.6% |
|---|---|
| Migration · People moving in (annual) | 88,209 |
| Migration · People moving out (annual) | 88,596 |
| Migration · Net migration (in − out) | -387 |
| 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 | 54 |
|---|---|
| Disability rate | 7.7% |
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. 376 residents live in group quarters (39.2% of population).
| Living in group quarters | 376 |
|---|
Other
| Congressional District · District | 8 |
|---|---|
| Congressional District · Formatted | IN-08 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 18,167 |
| Cdc Birth Rate · State Fips | 18 |
| Cdc Birth Rate · County Fips | 167 |
| Cdc Birth Rate · County | Vigo |
| Cdc Birth Rate · Birth Rate | 25.2% |
| Cdc Birth Rate · Lower Ci | 22.70 |
| Cdc Birth Rate · Upper Ci | 27.80 |
| Cdc Mortality · Fips | 18,167 |
| Cdc Mortality · County | Vigo County |
| Cdc Mortality · Urban Rural | Small metro |
| Cdc Mortality · Total Deaths 2020 2023 | 5,919 |
| Cdc Vaccination · Fips | 18,167 |
| Cdc Vaccination · County | Vigo County |
| Cdc Vaccination · Dose1 Pop Pct | 57.5% |
| Cdc Vaccination · Series Complete Pct | 52.4% |
| Cdc Vaccination · Booster Pct | 49.9% |
| Cdc Vaccination · Population 2019 | 107,038 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 12.8% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 959, booming, retirement community, lower-income, service economy |
| Town Summary · Population | 959 people |
| Town Summary · County | Vigo County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade