In 2022, the population of Lane was 46, a 2.22% increase year-by-year from 2021. Previously, in 2021, Lane's population was 45, a decline of 2.17% compared to a population of 46 in 2020.
The median age in Lane, SD is 64.4, as per 2021 ACS 5-Year Estimates. Of the total population, 7.41% were under the age of 15, 3.70% aged 15 to 29, 48.15% aged 30 to 64, 40.74% aged 65 to 84, and 0.00% were 85 years of age and older.