In 2023, Twin Brooks, SD had a population of 35 people with a median age of 61.3 and a median household income of $63,125. Between 2022 and 2023 the population of Twin Brooks, SD declined from 38 to 35, a −7.89% decrease and its median household income grew from $60,833 to $63,125, a 3.77% increase.
The 5 largest ethnic groups in Twin Brooks, SD are White (Non-Hispanic) (94.3%), Two Races Including Other (Non-Hispanic) (5.71%), Black or African American (Non-Hispanic) (0%), American Indian & Alaska Native (Non-Hispanic) (0%), and Asian (Non-Hispanic) (0%).
None of the households in Twin Brooks, SD reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in Twin Brooks, SD are U.S. citizens.
In 2023, the median property value in Twin Brooks, SD was $75,000, and the homeownership rate was 88.2%.
Most people in Twin Brooks, SD drove alone to work, and the average commute time was 16.7 minutes. The average car ownership in Twin Brooks, SD was 5 cars per household.