Each edition grades its towns against each other only.
Public schools that outperform most of South Dakota.
Tyndall’s best subject grades are an A− for cost of living and schools; its weakest is a C− for incomes. 35% of residents are 65 or older in Tyndall, above both the South Dakota town median (19%) and the median of U.S. towns (18%). Only 2 of the 36 South Dakota towns we compare have a higher median age than Tyndall. Tyndall has 3 places on the National Register of Historic Places, among them John Frydrych Farmstead and Bon Homme County Courthouse. Tyndall has fewer than 2,500 residents, so it gets subject grades but no overall grade.
Where Tyndall beats most towns.
| School | Grades | Students |
|---|---|---|
| Tyndall Elementary - 04 | K–5 | 188 |
| Bon Homme Middle School - 02 | 6–8 | 108 |
| Bon Homme High School - 01 | 9–12 | 136 |
Bon Homme County CourthouseIn a town this size, neighbors are the best guide. Ask them anything.
Each subject compared with towns across the country (schools within South Dakota), ordered by how far Tyndall is from typical.
How TownRatings grades towns →
The archive holds 5 old photos and papers going back to 1917.
3 places on the National Register of Historic Places.
Who provides power, water and the rest in Tyndall, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
Ordered by what stands out in Tyndall.
People 65 and older are 35% of residents (18% statewide); adults 18 to 34 are 9% of residents (22% statewide). Tyndall has grown 5.8% since 2020, to 1,117 residents in the Census Bureau’s 2025 estimate. 28% of adults 25 and older have a bachelor’s degree or more, vs 32% across South Dakota.
| Tyndall | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Under 18 | 21% | 22% | 22% |
| Bachelor’s degree or more, 25+ | 28% | 33% | 29% |
49% women, 51% men
That’s an even split within the survey’s margin of ±3.8 points. Across South Dakota, 49.2% of residents are women.
| Tyndall | SD | U.S. | |
|---|---|---|---|
| Under 10 | 10.1% | 13.1% | 11.6% |
| 10 to 17 | 10.5% | 11.2% | 10.3% |
| 18 to 24 | 4.6% | 9.3% | 9.1% |
| 25 to 34 | 4.5% | 12.6% | 13.7% |
| 35 to 44 | 11.3% | 12.6% | 13.2% |
| 45 to 54 | 11.4% | 10.7% | 12.2% |
| 55 to 64 | 12.7% | 12.6% | 12.7% |
| 65 to 74 | 17.2% | 11% | 10.2% |
| 75 and older | 17.7% | 7% | 7% |
| No diploma | 10.5% | 6.8% | 10.4% |
| High school | 31% | 29% | 26% |
| Some college | 22.4% | 19.9% | 19.1% |
| Associate’s | 8.2% | 12.3% | 8.8% |
| Bachelor’s | 18.8% | 21.9% | 21.6% |
| Graduate | 9.2% | 10% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 1,100, single groups can be off by several points
Its public schools are run by the Bon Homme School District 04-2.
| School | Level | Students | Letter |
|---|---|---|---|
| Tyndall Elementary - 04Largest public elementary schoolGrades K–5 | Grades K–5 | 188 | A |
| Bon Homme High School - 01Largest public high schoolGrades 9–12 | Grades 9–12 | 136 | C− |
NCES · EDFacts · graded within SD on state tests and graduation
Tyndall has cold, snowy winters and warm summers. At 87°F, Tyndall’s July high is above South Dakota’s towns (85°F) and close to U.S. towns (85°F).
NOAA U.S. Climate Normals, 1991–2020
About one in 5 of Tyndall’s working residents works in town. Tyndall’s median household income is $50,000. The top destinations are Yankton (19%), Scotland (11%) and Sioux Falls (9%).
| Tyndall | South Dakota towns | U.S. towns | |
|---|---|---|---|
| Median household income | $50,000 | $72,000 | $80,000 |
| Working residents who work in town | 20% | 29% | 8% |
| Average trip to work | 18 minutes | 17 minutes | 25 minutes |
| Below the poverty line | 8.5% | 9.5% | 9.6% |
Census LEHD 2023 · ACS
16% of adults binge drink in Tyndall. Tyndall beats the South Dakota average on 4 of 26 CDC measures and trails it on 7. 29% of adults sleep under 7 hours in Tyndall.
| Tyndall | South Dakota towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 41% | 31% | 35% |
| Frequent mental distress (CDC PLACES) | 14% | 15% | 17% |
| Diabetes (CDC PLACES) | 14% | 10% | 12% |
| Sleep under 7 hours (CDC PLACES) | 29% | 30% | 36% |
| What stands out | Tyndall | SD |
|---|---|---|
| Fewer older adults who have lost all their teeth | 8.8% | 12.7% |
| More adults treating high blood pressure | 82.3% | 75.9% |
| More adults who have had cancer | 13.1% | 9.2% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Expected storm and flood damage is lower than in 54% of U.S. communities.
FEMA National Risk Index · OpenFEMA
None within 15 miles of Tyndall; the nearest are
About 1 of every 100 Tyndall residents are enrolled in college, against 5 across South Dakota.
3 places in Tyndall on the National Register of Historic Places.
4 notable people were born in Tyndall.
City in South Dakota, United States
Tyndall (pronounced TIN'-duhl) is a city in and the county seat of Bon Homme County, South Dakota, United States. The population was 1,057 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Public schools that outperform most of South Dakota.
Not for the area. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades A−.
4 notable people were born here, including Raleigh Aitchison and Josh Ranek.
