McMullen County, Texas

2024 results by precinct

4 precincts · 487 votes cast

Trump · R+84

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	R	−84.4%	37	448	487
2020	R	−78.9%	53	460	516
2016	R	−83.0%	40	454	499
2012	R	−72.4%	67	431	503
2008	R	−49.9%	132	400	537
2004	R	−66.0%	95	467	564
2000	R	−64.0%	77	358	439
1996	R	−36.5%	117	274	430
1992	R	−44.2%	78	274	443
1988	R	−52.3%	94	302	398
1984	R	−69.3%	61	337	398
1980	R	−37.4%	122	271	398
1976	R	−5.6%	194	217	411
1972	R	−54.5%	88	304	396
1968	R	−2.1%	160	169	428
1964	D	+20.8%	267	175	443
1960	R	−0.2%	240	241	481
1956	R	−9.9%	185	226	413
1952	R	−30.0%	156	290	447
1948	D	+53.3%	222	61	302
1944	D	+31.2%	223	106	375
1940	D	+62.7%	336	77	413
1936	D	+75.5%	265	37	302
1932	D	+91.1%	258	12	270
1928	R	−1.0%	94	96	192
1924	R	−0.9%	109	111	223
1920	D	+36.8%	72	33	106
1916	D	+59.7%	115	29	144
1912	D	+66.1%	50	9	62
1908	—	No data	—	—	—
1904	—	No data	—	—	—
1900	—	No data	—	—	—
1896	—	No data	—	—	—
1892	—	No data	—	—	—
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%

Sample size too small to break out by ancestry reliably.

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

Age distribution by sex

Median age: 31.8 in this county, 39.1 nationally

Male

Age

Female

1.4%

85+

0.1%

0.0%

75–84

1.3%

7.0%

65–74

7.4%

3.6%

55–64

3.0%

2.0%

45–54

4.1%

8.4%

35–44

4.9%

4.7%

25–34

7.6%

0.0%

18–24

4.6%

10.3%

5–17

16.0%

2.0%

11.6%

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

Median household income

2024 inflation-adjusted dollars

$43,875

McMullen County ranks in the bottom 10% of US counties.

McMullen County$43,875

Texas$78,476

United States$80,734

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

Poverty rate

All persons below federal poverty line

12.3%

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

33.3%

Baptist

21.5%

Source · 2020 US Religion Census. Remaining 45.2% of residents not counted as adherents by any reporting body.

McMullen County's 851 residents make it among the smallest electorates in Texas, yet it consistently records some of the widest presidential margins in the state, reflecting the deep Republican alignment of its ranching-dominated South Texas interior.

The unraveling was not abrupt. The Democratic margin in McMullen County peaked at ninety-one points in 1932; it narrowed steadily over the late twentieth century. The 1968 election delivered the county to the Republican party for the first time in many years, by a margin of two points. By 2024, the margin had widened further.

The economic and demographic context is severe. McMullen County's median household income of $43,875 is among the lowest of any county in the United States; 12% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Grant County and Antelope County.

Most similar counties

McMullen County changed its political identity.