Marion County, Indiana

2024 results by precinct

619 precincts · 354,368 votes cast

Harris · D+27

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	D	+27.5%	221,719	124,327	354,368
2020	D	+29.2%	247,772	134,175	389,619
2016	D	+22.5%	212,676	130,228	366,524
2012	D	+22.2%	216,336	136,509	359,972
2008	D	+28.4%	241,987	134,313	379,362
2004	D	+1.9%	162,249	156,072	320,838
2000	R	−1.3%	134,189	137,810	279,903
1996	R	−3.1%	124,448	133,329	282,214
1992	R	−5.9%	122,234	141,369	323,790
1988	R	−17.7%	128,627	184,519	315,095
1984	R	−17.2%	130,185	184,880	317,148
1980	R	−13.5%	126,103	168,680	314,269
1976	R	−10.0%	145,274	177,767	325,576
1972	R	−33.5%	102,166	206,065	309,766
1968	R	−15.0%	115,715	162,503	310,922
1964	D	+3.2%	152,418	143,015	296,381
1960	R	−15.6%	121,336	166,202	288,206
1956	R	−24.2%	99,102	162,566	262,347
1952	R	−21.4%	106,387	164,466	271,939
1948	R	−2.8%	97,915	103,603	204,013
1944	R	−4.5%	106,382	116,421	223,837
1940	R	−1.2%	121,907	124,845	247,539
1936	D	+17.2%	124,961	87,798	216,550
1932	D	+4.0%	106,661	98,256	212,664
1928	R	−19.7%	73,309	109,630	184,100
1924	R	−22.2%	59,498	95,135	160,880
1920	R	−12.7%	61,460	79,957	145,571
1916	R	−7.2%	35,043	40,699	79,030
1912	D	+26.0%	29,805	12,280	67,408
1908	R	−0.4%	34,078	34,351	70,580
1904	R	−21.3%	22,336	35,103	59,963
1900	R	−10.4%	23,660	29,272	53,966
1896	R	−13.7%	20,654	27,353	48,860
1892	D	+2.1%	20,426	19,551	40,926
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

American

100.0%

Polish

2.4%

African American

21.9%

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. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 34.4 in this county, 39.1 nationally

Male

Age

Female

0.5%

85+

1.0%

1.4%

75–84

2.0%

3.8%

65–74

4.5%

5.4%

55–64

5.9%

5.4%

45–54

5.7%

6.6%

35–44

6.9%

8.1%

25–34

8.5%

4.6%

18–24

4.9%

9.2%

5–17

8.8%

3.6%

3.4%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$66,346

Marion County ranks near the middle of US counties.

Marion County$66,346

Indiana$71,957

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

15.3%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

0.0%

speak English only

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

14.3%

Other Christian

12.2%

Baptist

10.3%

Mainline Protestant

5.4%

Methodist

3.4%

Non-Christian

2.7%

Pentecostal & Holiness

2.3%

Source · 2020 US Religion Census. Remaining 49.4% of residents not counted as adherents by any reporting body.

Marion County, anchoring Indiana's capital and largest city, voted Democratic by 27.6 points in 2024—one of the widest margins in the state and a product of Indianapolis's rapid urban densification and growing college-educated workforce.

The Democratic margin in Marion County has been steady. It reached its modern peak at twenty-nine points in 2020; the 2024 margin was twenty-seven points, still in line with the county's long pattern.

Marion County's political identity is inseparable from its demographic profile: a 52% non-Hispanic-white share, a median household income of $66,346, and the full diversity of a major metropolitan center. The county's voting pattern resembles other major urban centers most closely — Charles County and Mecklenburg County.

Most similar counties

Marion County is one of the bluest places in America.