Standard
The leading number is your county: 1β9 went to the nine most populous (1 Minnehaha, 2 Pennington), then 10β64 run alphabetically from Aurora to Ziebach. South Dakota is one of the last county-coded states β Sioux Falls plates start 1 or 44 depending on the county line.
- 1
- Minnehaha County β Sioux Falls β most populous, so it drew number 1
- 2
- Pennington County β Rapid City β second most populous
In the sample, L stands for any letter and 9 for any digit.