In 2023, Oldham, SD had a population of 98 people with a median age of 59.3 and a median household income of $29,643. Between 2022 and 2023 the population of Oldham, SD declined from 110 to 98, a −10.9% decrease and its median household income grew from $29,531 to $29,643, a 0.379% increase.
The 5 largest ethnic groups in Oldham, SD are White (Non-Hispanic) (93.9%), American Indian & Alaska Native (Hispanic) (3.06%), Two Races Excluding Other, & Three or More Races (Hispanic) (3.06%), Black or African American (Non-Hispanic) (0%), and American Indian & Alaska Native (Non-Hispanic) (0%).
None of the households in Oldham, 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 Oldham, SD are U.S. citizens.
In 2023, the median property value in Oldham, SD was $62,000, and the homeownership rate was 81.8%.
Most people in Oldham, SD drove alone to work, and the average commute time was 22.6 minutes. The average car ownership in Oldham, SD was 2 cars per household.