St. Helena: Demographics & People
St. Helena's population stands at 97 people, in 32 households. Population shrank 18.5% from 119 (2022) to 97 (2024). Median age 38.7 years. (3.2y younger than Cedar County; 1.4y older than Nebraska). Children under 18 are 20% of the population. Population is 100% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 75% of households are family-led. County is losing 106 residents per year (2022-2023). County health: 40% adult obesity, 16% smoke.
- 3.0 people per household.
- 25% non-family households (singles, roommates).
Population & Trend
Population shrank 18.5% from 119 (2022) to 97 (2024). Estimated 2026 population: ~79 (extrapolated at -9.2%/yr trend). Census Bureau Vintage estimate: 60.
| Census data vintage | 2024 |
|---|---|
| Population | 8,380 people |
| Annual growth rate · Population change | -18.5% |
| Annual growth rate · Population (2022) | 119 |
| Annual growth rate · Population (2024) | 97 |
| Annual growth rate · Trend category | shrinking |
| Population | 97 people |
| Population Estimate | 60 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 38.7y is 0.2 years younger than the U.S. median (38.9y). Children under 18 make up 20% — below the U.S. share of ~22%.
| Age Summary · Median age | 38.7 years (vs Nebraska 37.3y) |
|---|---|
| Age Summary · Children Pct | 19.6% |
| Age Summary · Character | family-oriented |
| Population under 18 | 19 |
| Median age | 38.7 years (vs Nebraska 37.3y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 97 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 | 119 |
|---|---|
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 1 |
| Diversity Index · Largest group share | 100.0% |
| White (non-Hispanic) population | 100.0% |
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 (4)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 29 |
|---|---|
| Residents born in another state | 68 |
| Share born in this state | 29.9% |
| Share born in another state | 70.1% |
| Native-born U.S. citizens | 70.1% |
| Total foreign-born residents | 36 |
Households & Family Composition
32 households. Averaging 3.0 people each — larger than the U.S. average of 2.5. 75% are family households — above the U.S. share of ~65%. Of 32 families, 19% are married couples with children.
| Children under 18 | 25 |
|---|---|
| Total families | 32 |
| Married couples with children | 6 |
| Average household size | 3.05 |
| Women who gave birth (past year) | 4.5% |
| Grandparents living with grandchildren | 1 |
| Grandparents responsible for grandchildren | 1 |
| Family households | 24 households |
| Households that are families | 75.0% |
| Total households | 32 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. 4.3% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 106 residents per year on net (IRS migration data).
| Lived in same home a year ago | 94.0% |
|---|---|
| Moved within the county (past year) | 4.3% |
| Migration · People moving in (annual) | 8,326 |
| Migration · People moving out (annual) | 8,432 |
| Migration · Net migration (in − out) | -106 |
| 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 | 1 |
|---|---|
| Disability rate | 0.9% |
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Formatted | NE-03 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 31,027 |
| Cdc Birth Rate · State Fips | 31 |
| Cdc Birth Rate · County Fips | 27 |
| Cdc Birth Rate · County | Cedar |
| Cdc Birth Rate · Birth Rate | 10.8% |
| Cdc Birth Rate · Lower Ci | 6.40 |
| Cdc Birth Rate · Upper Ci | 17.10 |
| Cdc Mortality · Fips | 31,027 |
| Cdc Mortality · County | Cedar County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 270 |
| Cdc Vaccination · Fips | 31,027 |
| Cdc Vaccination · County | Cedar County |
| Cdc Vaccination · Series Complete Pct | 43.3% |
| Cdc Vaccination · Booster Pct | 51.5% |
| Cdc Vaccination · Population 2019 | 8,402 |
| Cdc Vaccination · Metro Status | Non-metro |
| Cdc Vaccination · Date | 2023-05-10T00:00:00.000 |
| Family Score · Score | 6.00 |
| Family Score · Schools | 10 |
| Family Score · Children Pct | 19.6% |
| Family Score · Rating | good |
| Town Summary · Key Facts | population 97, shrinking, family-oriented, upper-middle, blue collar |
| Town Summary · Population | 97 people |
| Town Summary · County | Cedar County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade