Diamondhead, Mississippi Demographics & Population 2026
During the 2020–2024 ACS period, Diamondhead, Mississippi had a total population of 9,338, the 44th largest city in Mississippi, with a median household income of $87,407, which is 55% higher than the state average. The poverty rate is 7.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 55% above the state average — one of the wealthiest communities in Mississippi.
- 42.3% of adults hold a bachelor's degree or higher — top 10% in Mississippi.
Diamondhead Quick Facts
How Diamondhead Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 9,338 | 9,338 | +0.0% |
| Median household income | $86,208 | $87,407 | +1.4% |
| Median home value | $236,700 | $259,600 | +9.7% |
How Diamondhead Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Diamondhead Rankings in Mississippi
Explore Mississippi Rankings
Other Cities in Hancock County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Bay St. Louis | 10,188 | $67,442 | 14.5% | $260,200 |
| Waveland | 7,062 | $68,693 | 10.8% | $218,900 |
| Kiln | 2,016 | $71,875 | 18.2% | $167,500 |
| Pearlington | 1,278 | $44,507 | 22.6% | $98,100 |
Cities Similar to Diamondhead
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Flowood | 10,587 | $83,880 | $342,200 | 55.0% | 13.4% |
| Gulf Hills | 8,451 | $72,839 | $203,700 | 37.0% | 10.9% |
| Bay St. Louis | 10,188 | $67,442 | $260,200 | 38.3% | 14.5% |
| Petal | 11,294 | $74,750 | $174,900 | 27.8% | 11.1% |
| Booneville | 9,246 | $50,879 | $136,700 | 28.4% | 15.1% |
Population Overview
Diamondhead is a small city located in Mississippi, within Hancock County. The total population is 9,338. It ranks as the 44th most populous out of 420 Census-designated places in Mississippi.
Age Demographics
The median age in Diamondhead is 49.1 years. This is 27% higher than the state median of 38.6 years. 13.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Diamondhead is $87,407. This is 55% higher than the state median of $56,447. It is also 8% higher than the national median of $80,734. The poverty rate stands at 7.0%. This is 63% lower than the state poverty rate of 18.9%. The unemployment rate is 4.2%. This is 27% lower than the state rate of 5.8%. The median home value is $259,600. Housing costs are 53% higher than the state median of $169,800. The home-value-to-income ratio is 3.0x. 89.7% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 70.0%.
Race & Ethnicity
The largest racial or ethnic group in Diamondhead is White (non-Hispanic), making up 84.3% of the population. Hispanic or Latino residents account for 5.5%. The White (non-Hispanic) population is significantly higher than the state average (84.3% vs 55.2%). The Black or African American population (2.6%) is well below the state average of 36.3%.
Education
42.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Diamondhead in the top 10% of all cities in the state for educational attainment. This is 68% higher than the state rate of 25.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.5%. Notably, 18.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Diamondhead, Mississippi is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Mississippi state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 420 Census-designated places in Mississippi. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Diamondhead, Mississippi?
Diamondhead, Mississippi has a population of 9,338 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Diamondhead, MS?
The median household income in Diamondhead is $87,407, which is 8% higher than the national median of $80,734.
What is the poverty rate in Diamondhead, MS?
The poverty rate in Diamondhead is 7.0%. This means approximately 646 residents live below the federal poverty line.
What is the racial makeup of Diamondhead, Mississippi?
Diamondhead's population is 84.3% White, 2.6% Black, 5.5% Hispanic/Latino, and 1.4% Asian.
What is the median home value in Diamondhead, MS?
The median home value in Diamondhead is $259,600. The home-value-to-income ratio is 3.0x.
How educated is Diamondhead, Mississippi?
42.3% of adults (25+) in Diamondhead hold a bachelor's degree or higher, and 18.8% hold a graduate or professional degree.