St. Paul: Demographics & People
Census counts 887 people in St. Paul, in 307 households. Population shrank 12.9% from 1,019 (2022) to 887 (2024). Median age 28.6 years. (11.2y younger than Decatur County; 9.6y younger than Indiana). Children under 18 are 32% of the population. Population is 84% White (non-Hispanic) and 9% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.23). 78% of households are family-led. County is gaining 234 residents per year (2022-2023). County health: 42% adult obesity, 17% smoke.
- 2.9 people per household.
- 22% non-family households (singles, roommates).
Population & Trend
Population shrank 12.9% from 1,019 (2022) to 887 (2024). Estimated 2026 population: ~775 (extrapolated at -6.5%/yr trend). Census Bureau Vintage estimate: 641.
| Census data vintage | 2024 |
|---|---|
| Population | 26,472 people |
| Annual growth rate · Population change | -12.9% |
| Annual growth rate · Population (2022) | 1,019 |
| Annual growth rate · Population (2024) | 887 |
| Annual growth rate · Trend category | shrinking |
| Population | 887 people |
| Population Estimate | 641 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 28.6y is 10.3 years younger than the U.S. median (38.9y). Children under 18 make up 32% — above the U.S. share of ~22%.
| Age Summary · Median age | 28.6 years (vs Indiana 38.2y) |
|---|---|
| Age Summary · Children Pct | 31.5% |
| Age Summary · Character | young community |
| Population under 18 | 279 |
| Median age | 28.6 years (vs Indiana 38.2y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 887 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.23 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 854 |
|---|---|
| Black residents | 34 |
| Asian residents | 6 |
| Hispanic or Latino residents | 87 |
| Diversity Index · Diversity index (Simpson) | 23.3% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 87.1% |
| Asian population | 0.3% |
| Black population | 3.0% |
| Hispanic or Latino population | 8.7% |
| White (non-Hispanic) population | 84.2% |
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). 0.2% are foreign-born — below the U.S. average of 13.9%. 1% have naturalized to U.S. citizenship.
| Residents born in this state | 744 |
|---|---|
| Residents born in another state | 130 |
| Share born in this state | 83.9% |
| Share born in another state | 16.1% |
| Native-born U.S. citizens | 14.7% |
| Foreign-born residents | 0.2% |
| Naturalized citizens | 1.2% |
| Total foreign-born residents | 11 |
Households & Family Composition
307 households. Averaging 3.0 people each — larger than the U.S. average of 2.5. 78% are family households — above the U.S. share of ~65%. Of 261 families, 23% are married couples with children.
| Children under 18 | 332 |
|---|---|
| Total families | 261 |
| Married couples with children | 60 |
| Single-parent households | 29 |
| Average household size | 3.03 |
| Women who gave birth (past year) | 18.5% |
| Grandparents living with grandchildren | 56 |
| Grandparents responsible for grandchildren | 25 |
| Family households | 239 households |
| Households that are families | 77.9% |
| Total households | 307 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. 17.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 234 residents per year on net (IRS migration data).
| Moved within the county (past year) | 17.6% |
|---|---|
| Migration · People moving in (annual) | 26,020 |
| Migration · People moving out (annual) | 25,786 |
| Migration · Net migration (in − out) | 234 |
| 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 | 45 |
|---|---|
| Disability rate | 4.8% |
Other
| Congressional District · District | 9 |
|---|---|
| Congressional District · Formatted | IN-09 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 18,031 |
| Cdc Birth Rate · State Fips | 18 |
| Cdc Birth Rate · County Fips | 31 |
| Cdc Birth Rate · County | Decatur |
| Cdc Birth Rate · Birth Rate | 30.0% |
| Cdc Birth Rate · Lower Ci | 24.90 |
| Cdc Birth Rate · Upper Ci | 35.80 |
| Cdc Mortality · Fips | 18,031 |
| Cdc Mortality · County | Decatur County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 1,027 |
| Cdc Vaccination · Fips | 18,031 |
| Cdc Vaccination · County | Decatur County |
| Cdc Vaccination · Dose1 Pop Pct | 54.8% |
| Cdc Vaccination · Series Complete Pct | 50.3% |
| Cdc Vaccination · Booster Pct | 52.4% |
| Cdc Vaccination · Population 2019 | 26,559 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 4.50 |
| Family Score · Schools | 7 |
| Family Score · Children Pct | 31.5% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 887, shrinking, young community, middle-class, blue collar |
| Town Summary · Population | 887 people |
| Town Summary · County | Decatur County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade