Diamondhead Lake Flag

Diamondhead Lake

County:
Adair County
County Seat:
No
Area (mi²):
0.973
State:
Iowa

Diamondhead Lake is a CDP located in Adair County, Iowa. Diamondhead Lake has a 2025 population of 224. Diamondhead Lake is currently declining at a rate of -3.86% annually and its population has decreased by -13.18% since the most recent census, which recorded a population of 258 in 2020.

The average household income in Diamondhead Lake is $159,035 with a poverty rate of 0%.The median age in Diamondhead Lake is 57 years: 55.7 years for males, and 58.5 years for females.

224
Total Population
230
Density (mi²)
-9 -3.86%
Growth

Diamondhead Lake Population

Diamondhead Lake Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Diamondhead Lake includes 86.57% White, and smaller percentages for and multiracial populations.

Population by Race

White (86.6%)

Two or more races (13.4%)

Race
Population
Percentage (of total)
White24586.57%
Two or more races3813.43%

Diamondhead Lake Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Diamondhead Lake's average per capita income is $60,758. Household income levels show a median of $125,000. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$143,438$180,718
Married Families$142,604-
Households$125,000$159,035
Non Families-$92,670

$60,758

Average Income

$125,000

Median Household Income

0%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)