Diamondhead Lake CDP, Iowa Demographics & Population 2026

Population Overview

Diamondhead Lake CDP is a small community located in Iowa. The total population is 283. It ranks as the 620th most populous out of 1,018 cities and towns in Iowa.

Age Demographics

The median age in Diamondhead Lake CDP is 57.0 years. This is 48% higher than the state median of 38.6 years. Only 5.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Diamondhead Lake CDP is $125,000. This is 71% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 59% higher. The poverty rate stands at 0.0%. This is 100% lower than the state poverty rate of 11.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.3%. This is 20% higher than the state rate of 3.6%. The median home value is $257,700. Housing costs are 32% higher than the state median of $195,900. With a home-value-to-income ratio of just 2.1x, Diamondhead Lake CDP is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 40% higher than the state average of 71.5%.

Race & Ethnicity

Diamondhead Lake CDP has a predominantly White (non-Hispanic) population, comprising 86.6% of all residents.

Education

50.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Diamondhead Lake CDP in the top 10% of all cities in the state for educational attainment. This is 62% higher than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 100.0%. Notably, 19.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Diamondhead Lake CDP, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,018 Census-designated places in Iowa. For official data, visit data.census.gov.