St. Charles Parish, Louisiana: Industrial Catholic Metro county. In 2024, voted R+32%. Democratic peak: D+93 in 1904.
Key facts
- 2024 presidential margin
- R+32MIT Election Lab
- Political typology
- Industrial Catholic MetroAkashic typology
- Population
- 51,3962024 5-year
- Median household income
- $80,8972024 5-year
- White (non-Hispanic)
- 63.9%2024 5-year
- Black
- 22.1%2024 5-year
- Hispanic / Latino
- 8.2%2024 5-year
- Peak Democratic margin
- D+93 in 1904MIT Election Lab
- Peak Republican margin
- R+38 in 1896MIT Election Lab
- Most similar
- Tangipahoa Parish, LA · similarity 1.00
2024 results by precinct
2024 precinct map of St. Charles ParishPrecinct-level 2024 presidential results for St. Charles Parish, 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 | −34.2% |
| 1896 | −37.6% |
| 1900 | +80.5% |
| 1904 | +92.6% |
| 1908 | +81.4% |
| 1912 | +61.4% |
| 1916 | +80.9% |
| 1920 | +33.1% |
| 1924 | +57.4% |
| 1928 | +82.4% |
| 1932 | +88.4% |
| 1936 | +88.0% |
| 1940 | +82.0% |
| 1944 | +83.6% |
| 1948 | +26.1% |
| 1952 | +42.3% |
| 1956 | −17.9% |
| 1960 | +50.5% |
| 1964 | −30.4% |
| 1968 | +15.3% |
| 1972 | −29.6% |
| 1976 | +22.6% |
| 1980 | +7.4% |
| 1984 | −19.9% |
| 1988 | −9.5% |
| 1992 | −1.7% |
| 1996 | +6.1% |
| 2000 | −14.2% |
| 2004 | −24.7% |
| 2008 | −31.2% |
| 2012 | −27.8% |
| 2016 | −30.8% |
| 2020 | −29.6% |
| 2024 | −32.3% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 8,812 | 17,443 | 26,685 | ||
| R | 9,800 | 18,233 | 28,517 | ||
| R | 8,559 | 16,621 | 26,192 | ||
| R | 8,896 | 15,937 | 25,333 | ||
| R | 8,522 | 16,457 | 25,397 | ||
| R | 8,856 | 14,747 | 23,837 | ||
| R | 8,918 | 11,981 | 21,510 | ||
| D | 10,612 | 9,316 | 21,393 | ||
| R | 8,810 | 9,158 | 20,877 | ||
| R | 7,973 | 9,685 | 17,995 | ||
| R | 6,784 | 10,185 | 17,082 | ||
| D | 7,898 | 6,779 | 15,123 | ||
| D | 6,872 | 4,270 | 11,505 | ||
| R | 2,788 | 5,469 | 9,052 | ||
| O | 3,070 | 1,675 | 9,128 | ||
| R | 2,715 | 5,085 | 7,800 | ||
| D | 4,708 | 1,377 | 6,602 | ||
| R | 1,671 | 2,417 | 4,177 | ||
| D | 2,679 | 1,086 | 3,765 | ||
| O | 914 | 286 | 2,410 | ||
| D | 1,945 | 174 | 2,119 | ||
| D | 1,550 | 153 | 1,703 | ||
| D | 1,503 | 96 | 1,599 | ||
| D | 1,429 | 86 | 1,519 | ||
| D | 1,116 | 108 | 1,224 | ||
| D | 488 | 132 | 620 | ||
| D | 183 | 92 | 275 | ||
| D | 297 | 30 | 330 | ||
| D | 157 | 28 | 210 | ||
| D | 215 | 22 | 237 | ||
| D | 313 | 12 | 325 | ||
| D | 435 | 47 | 482 | ||
| R | 125 | 282 | 418 | ||
| R | 345 | 704 | 1,049 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
French
16.8%
German
11.5%
Italian
7.8%
Irish
7.0%
American
6.0%
English
4.6%
Polish
0.8%
African American
17.7%
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
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: 39.7 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
$80,897
St. Charles Parish ranks in the top 25% of US counties.
St. Charles Parish$80,897
Louisiana$60,756
United States$80,734
St. Charles Parish ranks in the top 25% 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
11.7%
Children face moderate poverty.
Children under 1815.5%
Working age (18–64)10.4%
Seniors (65+)13.0%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
91.0%
speak English only
Spanish6.8%
Other Indo-European1.3%
Asian & Pacific Islander0.8%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 42.7% of residents not counted as adherents by any reporting body.
St. Charles Parish lines the Mississippi River between New Orleans and Baton Rouge, its economy anchored by one of the densest concentrations of industrial plants in the country. That working-class industrial base has trended decisively Republican over recent cycles, with the 2024 presidential margin reaching R+32.3.
Its margins are typically close. The Democratic margin reached ninety-three points in 1904; the Republican margin reached thirty-eight points in 1896. Between 2020 and 2024 the county moved three points toward the Republican candidate; the 2024 margin was thirty-two points.
Its demographics sit near national norms: a 64% non-Hispanic-white share, a median household income of $80,897, and a 12% poverty rate. The county's voting pattern over the last decade is most similar to that of Tangipahoa Parish and Vernon Parish.
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.
St. Charles Parish, Louisiana. Akashic. https://akashic.app/county/22089/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Louisiana
More industrial catholic metro counties
Frequently asked questions
How did St. Charles Parish, Louisiana vote in 2024?
In 2024, St. Charles Parish, Louisiana voted Republican by 32.3 points (R+32), carried by the Republican candidate. Out of 26,685 votes cast, 8,812 went Democratic and 17,443 went Republican.
What is St. Charles Parish, Louisiana's political typology?
Akashic places St. Charles Parish, Louisiana 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 17 times, Republican 15 times, and other 2 times.
When did St. Charles Parish, Louisiana last vote Democratic?
The most recent presidential election in which St. Charles Parish, Louisiana voted Democratic was 1996.
How many people live in St. Charles Parish, Louisiana?
St. Charles Parish, Louisiana has a population of 51,396 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in St. Charles Parish, Louisiana?
Median household income in St. Charles Parish, Louisiana is $80,897 — above the national median of $80,734. The Louisiana state median is $60,756.
What is the political history of St. Charles Parish, Louisiana?
Akashic tracks 38 presidential elections in St. Charles Parish, Louisiana from 1876 to 2024. Of those, 17 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.