The Lake Preston, SD employment information can be a key indicator when searching for a new job. A good indicator of the strength of the job market is the income per capita and the median household income. The income per capita in Lake Preston is $23,135, which is 16% lower than than the South Dakota average and 22% lower than than the national average. The median household income is $38,958, which is 25% lower than than the South Dakota average and 30% lower than than the national average. The unemployment rate in Lake Preston is 1%, which is 76% lower than than the national average. The poverty rate in Lake Preston is 8% which is 48% lower than than the national average.