Pratt Township, Lyman County, South Dakota

Pratt Township is a township in Lyman County, South Dakota. It covers 25.5 sq mi (66.1 km²) of land and uses Central Time. It has its own local government.

Sioux FallsRapid CityAberdeen
Pratt Township in South Dakota
Pratt Township (simplified outline). Open in OpenStreetMap ↗
County
Lyman County
School district
Lyman School District 42-1
Land area
25.5 sq mi (66.1 km²)
Type
TownshipIts own local government
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Water area
0.32 sq mi (0.82 km²)
State
South Dakota
Census code (GEOID)
4608551780
Coordinates (central point)
43.712035, -100.152404

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.

Other townships in Lyman County, largest first

  1. Vivian Township158 people
  2. Oacoma Township51 people
  3. Bailey Township26 people
  4. Rex Township16 people
  5. Iona Township11 people

People counts are American Community Survey 2020–2024 5-year estimates. See Lyman County for its cities, ZIP Code areas and county seat.

Sunrise and sunset in Pratt Township

Longest day
15 hours 28 minutes around June 21
Shortest day
8 hours 55 minutes around December 21
Earliest sunrise
5:58 AM around June 15
Latest sunrise
8:22 AM the day before clocks go back in November
Earliest sunset
5:03 PM around December 9
Latest sunset
9:26 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.

Sunrise and sunset on the 15th of each month
DaySunriseSunsetDaylight
Jan 158:11 AM5:29 PM9 h 18 min
Feb 157:39 AM6:10 PM10 h 31 min
Mar 157:52 AM7:46 PM11 h 54 min
Apr 156:57 AM8:24 PM13 h 27 min
May 156:15 AM8:59 PM14 h 44 min
Jun 155:58 AM9:24 PM15 h 26 min
Jul 156:12 AM9:20 PM15 h 8 min
Aug 156:44 AM8:44 PM14 h
Sep 157:19 AM7:51 PM12 h 32 min
Oct 157:54 AM6:57 PM11 h 3 min
Nov 157:34 AM5:15 PM9 h 41 min
Dec 158:07 AM5:04 PM8 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 Lyman County or the local office.

Find the township or town where you are now or find your county.

See this area on Census.gov ↗