Diamondhead Lake, IA Profile: Facts & Data


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Diamondhead Lake, Iowa - Basic Facts

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The Diamondhead Lake CDP(1) had a population of 375 as of July 1, 2021.

The primary coordinate point for Diamondhead Lake is located at latitude 41.5521 and longitude -94.2622 in Guthrie County. The formal boundaries for the Diamondhead Lake Census Designated Place encompass a land area of 0.62 sq. miles and a water area of 0.16 sq. miles. Guthrie County is in the Central time zone (GMT -6). The elevation is 1,053 feet.

The Diamondhead Lake Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Diamondhead Lake Census Designated Place is located within Township of Penn, a minor civil division (MCD) of Guthrie County.

  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. Diamondhead Lake 2021 Demographic Data
  2. Growth Rates for Diamondhead Lake (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2021 Demographics

Diamondhead Lake, IA Data & Demographics (As of July 1, 2021)


Total Population 375 (100%)
Population in Households 363 (96.8%)
Population in Families 311 (82.9%)
Population in Group Quarters1 12 ( 3.2%)
Population Density 602
Diversity Index2 8


Median Household Income $80,797
Average Household Income $97,040
% of Income for Mortgage4 15%
Per Capita Income $38,817
Wealth Index5 122


Total HU (Housing Units) 247 (100%)
Owner Occupied HU 143 (57.9%)
Renter Occupied HU 14 ( 5.7%)
Vacant Housing Units 89 (36.0%)
Median Home Value $293,750
Average Home Value $302,778
Housing Affordability Index3 159


Total Households 158
Average Household Size 2.3
Family Households 115
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.22% 0.21%
Households 0.23% 0.13%
Families 0.56% 0.0%
Median Household Income   1.32%
Per Capita Income   1.81%
Owner Occupied HU   0.28%

Diamondhead Lake, IA - Peer Comparisons by Rank and Percentile

The table below compares Diamondhead Lake to the other 1,008 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 540 47th
Population Density # 558 45th
Median Household Income # 101 90th
Housing Affordability Index # 259 26th
Per Capita Income # 141 86th
Diversity Index # 712 30th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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