Interior Township, Jackson County, South Dakota
Interior Township is a township in Jackson County, South Dakota. About 45 people live there (2020–2024 estimate). It covers 101 sq mi (261 km²) of land and uses Mountain Time. It has its own local government.
- Population, 2020–2024 estimate
- 45 ± 61
- County
- Jackson County
- School district
- Kadoka School District 35-2
- Land area
- 101 sq mi (261 km²)
- Type
- TownshipIts own local government
- Time zone
- Mountain TimeUTC-07:00 in January; UTC-06:00 in July
- Water area
- 0.42 sq mi (1.08 km²)
- State
- South Dakota
- Census code (GEOID)
- 4607131660
- Coordinates (central point)
- 43.759191, -101.912080
These coordinates mark a central point for the area, not a street address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Bordering areas, nearest first
- Interior (town)4.1 mi southwest
- Castle Butte Township, Pennington County8.2 mi west
- Weta Township9.0 mi east
These towns, townships, cities and boroughs share a boundary with Interior Township. Distances are straight lines between central points, not driving distances.
Other townships in Jackson County, largest first
- Wall Township6 people
- Grandview II Township0 people
- Weta Township0 people
People counts are American Community Survey 2020–2024 5-year estimates. See Jackson County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in Interior Township
- Longest day
- 15 hours 28 minutes around June 21
- Shortest day
- 8 hours 55 minutes around December 21
- Earliest sunrise
- 5:05 AM around June 15
- Latest sunrise
- 7:30 AM the day before clocks go back in November
- Earliest sunset
- 4:10 PM around December 9
- Latest sunset
- 8:33 PM around June 26
Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.
| Day | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Jan 15 | 7:18 AM | 4:36 PM | 9 h 18 min |
| Feb 15 | 6:46 AM | 5:17 PM | 10 h 31 min |
| Mar 15 | 7:00 AM | 6:53 PM | 11 h 53 min |
| Apr 15 | 6:04 AM | 7:31 PM | 13 h 27 min |
| May 15 | 5:22 AM | 8:06 PM | 14 h 44 min |
| Jun 15 | 5:05 AM | 8:31 PM | 15 h 26 min |
| Jul 15 | 5:19 AM | 8:27 PM | 15 h 8 min |
| Aug 15 | 5:51 AM | 7:51 PM | 14 h |
| Sep 15 | 6:26 AM | 6:58 PM | 12 h 32 min |
| Oct 15 | 7:01 AM | 6:04 PM | 11 h 3 min |
| Nov 15 | 6:41 AM | 4:22 PM | 9 h 41 min |
| Dec 15 | 7:14 AM | 4:11 PM | 8 h 57 min |
Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.
Before using this answer on a form
A township line is not always the line on your mail: a mailing address can name another town or post office, and school districts, ZIP Codes and tax districts follow their own lines. For taxes, voting or permits, check the full address with Jackson County or the local office.
Find the township or town where you are now or find your county.