In 2023, Diamondhead Lake, IA had a population of 283 people with a median age of 57 and a median household income of $125,000. Between 2022 and 2023 the population of Diamondhead Lake, IA grew from 252 to 283, a 12.3% increase and its median household income declined from $142,688 to $125,000, a −12.4% decrease.
The 5 largest ethnic groups in Diamondhead Lake, IA are White (Non-Hispanic) (86.6%), Two+ (Non-Hispanic) (13.4%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Diamondhead Lake, IA 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 Diamondhead Lake, IA are U.S. citizens.
In 2023, the median property value in Diamondhead Lake, IA was $257,700, and the homeownership rate was 100%.
Most people in Diamondhead Lake, IA drove alone to work, and the average commute time was 42 minutes. The average car ownership in Diamondhead Lake, IA was 2 cars per household.