Harrison County, Mississippi: Industrial Catholic Metro county. In 2024, voted R+29%. Democratic peak: D+83 in 1892.
Key facts
- 2024 presidential margin
- R+29MIT Election Lab
- Political typology
- Industrial Catholic MetroAkashic typology
- Population
- 210,8912024 5-year
- Median household income
- $59,4792024 5-year
- White (non-Hispanic)
- 62.1%2024 5-year
- Black
- 23.5%2024 5-year
- Hispanic / Latino
- 6.9%2024 5-year
- Peak Democratic margin
- D+83 in 1892MIT Election Lab
- Peak Republican margin
- R+70 in 1972MIT Election Lab
- Most similar
- Greene County, OH · similarity 1.00
2024 results by precinct
2024 precinct map of Harrison CountyPrecinct-level 2024 presidential results for Harrison County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +82.7% |
| 1896 | +81.5% |
| 1900 | +60.2% |
| 1904 | No data |
| 1908 | No data |
| 1912 | +78.1% |
| 1916 | +72.7% |
| 1920 | +58.7% |
| 1924 | +67.4% |
| 1928 | +42.9% |
| 1932 | +79.6% |
| 1936 | +78.3% |
| 1940 | +79.6% |
| 1944 | +81.1% |
| 1948 | +3.7% |
| 1952 | +9.3% |
| 1956 | +6.2% |
| 1960 | +22.6% |
| 1964 | −50.3% |
| 1968 | −6.8% |
| 1972 | −70.2% |
| 1976 | −7.1% |
| 1980 | −20.7% |
| 1984 | −46.1% |
| 1988 | −38.6% |
| 1992 | −20.6% |
| 1996 | −13.9% |
| 2000 | −24.9% |
| 2004 | −26.3% |
| 2008 | −26.0% |
| 2012 | −25.8% |
| 2016 | −30.3% |
| 2020 | −25.2% |
| 2024 | −28.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 26,555 | 48,497 | 75,923 | ||
| R | 27,728 | 46,822 | 75,885 | ||
| R | 21,169 | 40,354 | 63,313 | ||
| R | 23,119 | 39,470 | 63,328 | ||
| R | 22,673 | 38,757 | 61,957 | ||
| R | 23,076 | 39,703 | 63,288 | ||
| R | 19,142 | 32,256 | 52,616 | ||
| R | 18,775 | 25,486 | 48,235 | ||
| R | 15,268 | 25,049 | 47,407 | ||
| R | 14,439 | 32,892 | 47,754 | ||
| R | 12,495 | 33,995 | 46,677 | ||
| R | 16,318 | 25,175 | 42,888 | ||
| R | 16,569 | 19,207 | 37,139 | ||
| R | 4,761 | 28,962 | 34,470 | ||
| O | 4,549 | 6,542 | 29,248 | ||
| R | 5,393 | 16,301 | 21,694 | ||
| D | 8,961 | 5,177 | 16,759 | ||
| D | 6,549 | 5,742 | 13,001 | ||
| D | 7,181 | 5,960 | 13,141 | ||
| O | 692 | 415 | 7,458 | ||
| D | 5,976 | 622 | 6,598 | ||
| D | 5,577 | 633 | 6,214 | ||
| D | 4,208 | 495 | 4,740 | ||
| D | 4,124 | 449 | 4,619 | ||
| D | 3,712 | 1,485 | 5,197 | ||
| D | 3,044 | 523 | 3,739 | ||
| D | 1,270 | 314 | 1,628 | ||
| D | 1,395 | 197 | 1,647 | ||
| D | 1,292 | 45 | 1,596 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| D | 611 | 150 | 766 | ||
| D | 237 | 17 | 270 | ||
| D | 360 | 10 | 423 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
11.7%
American
8.7%
Irish
8.6%
German
8.0%
French
5.0%
Italian
3.5%
Scottish
1.8%
African American
18.8%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 38.5 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$59,479
Harrison County ranks near the middle of US counties.
Harrison County$59,479
Mississippi$56,447
United States$80,734
Harrison County ranks near the middle of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
17.1%
Children face moderate poverty.
Children under 1822.3%
Working age (18–64)15.6%
Seniors (65+)13.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
92.7%
speak English only
Spanish4.2%
Asian & Pacific Islander1.7%
Other Indo-European1.2%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 55.6% of residents not counted as adherents by any reporting body.
Home to Biloxi's casino corridor and Keesler Air Force Base, Harrison County blends tourism and defense employment into one of Mississippi's most populous and economically active coastal communities, voting Republican by roughly 29 points in 2024.
Its margins are typically close. The Democratic margin reached eighty-three points in 1892; the Republican margin reached seventy points in 1972. Between 2020 and 2024 the county moved four points toward the Republican candidate; the 2024 margin was twenty-nine points.
Its demographics sit near national norms: a 62% non-Hispanic-white share, a median household income of $59,479, and a 17% poverty rate. The county's voting pattern over the last decade is most similar to that of Greene County and Jackson County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Harrison County, Mississippi. Akashic. https://akashic.app/county/28047/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Harrison County, Mississippi vote in 2024?
In 2024, Harrison County, Mississippi voted Republican by 28.9 points (R+29), carried by the Republican candidate. Out of 75,923 votes cast, 26,555 went Democratic and 48,497 went Republican.
What is Harrison County, Mississippi's political typology?
Akashic places Harrison County, Mississippi in the "Industrial Catholic Metro" typology — Mid-size industrial metros with Catholic ethnic roots — among the most competitive, swing-prone ground in the country. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 15 times, Republican 15 times, and other 2 times.
When did Harrison County, Mississippi last vote Democratic?
The most recent presidential election in which Harrison County, Mississippi voted Democratic was 1960.
How many people live in Harrison County, Mississippi?
Harrison County, Mississippi has a population of 210,891 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Harrison County, Mississippi?
Median household income in Harrison County, Mississippi is $59,479 — below the national median of $80,734. The Mississippi state median is $56,447.
What is the political history of Harrison County, Mississippi?
Akashic tracks 38 presidential elections in Harrison County, Mississippi from 1876 to 2024. Of those, 15 went Democratic and 15 went Republican. The county's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.