Below are a list of the cities located in Lake County, SD. There are 7 total unique zip codes in Lake County, South Dakota. The time zone for Lake County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for echo $county.' County, '.$state_abbrev ?> is 46079.
The population in Lake County, SD is currently 10,851. That is a decrease of -9.09% vs the population of 11,200 in 2010.