Bon Homme County, South Dakota
Bon Homme County, South Dakota, has 7,244 residents (July 2025 estimate). Its county seat is Tyndall. It uses Central Time and covers 564 sq mi (1,460 km²) of land.
- Resident population, July 2025
- 7,244
- Land area
- 564 sq mi (1,460 km²)
- County seat or government
- Tyndall
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $64,435 ± $7,134
- Median home value
- $134,100 ± $23,054
- Median rent, with utilities
- $646 ± $116
- Homes lived in by their owners
- 80.5% ± 1.6 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Yankton, SD micro area
- Water area
- 18.1 sq mi (46.8 km²)
- State
- South Dakota
- County code (FIPS)
- 46009
- Coordinates (central point)
- 42.985714, -97.884175
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Bon Homme County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 570622,484 people
- 570661,424 people
- 570591,242 people
- 573151,094 people
- 57376944 people
- 57063882 people
- 57040222 people
7 ZIP Code areas overlap Bon Homme County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Bon Homme County, largest first
- Bon Homme School District 04-24,578 people
- Scotland School District 04-31,851 people
- Tripp-Delmont School District 33-51,367 people
- Avon School District 04-11,320 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Springfield, South Dakota (city)2,038 people
- Tyndall, South Dakota (city)1,183 people
- Scotland, South Dakota (city)851 people
- Avon, South Dakota (city)704 people
- Tabor, South Dakota (town)369 people
- Running Water, South Dakota (CDP)73 people
- Bon Homme Colony, South Dakota (CDP)0 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Knox County, Nebraska24 mi south
- Yankton County, South Dakota25 mi east
- Hutchinson County, South Dakota25 mi north
- Charles Mix County, South Dakota39 mi northwest
Before using this answer on a form
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