American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.
Rio Grande City-Roma, TX, Texas
Akashic
Rio Grande City-Roma, TXTrumpR+16.0
18922024
How it voted
Share of the 2024 vote
Donald Trump ✓Republican
57.8%
9,487
Kamala HarrisDemocratic
41.8%
6,862
Jill SteinGreen
0.4%
72
D+60R+60
A single county, filled by its 2024 D-vs-R margin. Hover it for the full result.
County-level results (1 county) — table
2024 presidential result by county for Rio Grande City-Roma, TX, TX — winner and D-vs-R margin.
County
Winner
Margin
Starr County, TX
Republican
R+16.0
Akashic
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year
Won
Democratic
Republican
Other
Margin
Total
R
41.8%Harris6,862
57.8%Trump9,487
0.4%Stein72
−16.0%
16,421
D
52.1%Biden9,123
47.1%Trump8,247
0.9%Jorgensen155
+5.0%
17,525
D
79.1%Clinton9,289
18.9%Trump2,224
1.9%Johnson227
+60.2%
11,740
D
86.3%Obama10,260
13.0%Romney1,547
0.6%Johnson76
+73.3%
11,883
D
84.5%Obama8,274
15.2%McCain1,492
0.3%Barr26
+69.3%
9,792
D
73.6%Kerry7,199
26.1%Bush2,552
0.3%Badnarik30
+47.5%
9,781
D
76.9%Gore6,505
22.6%Bush1,911
0.6%Nader48
+54.3%
8,464
D
86.9%Clinton6,312
10.4%Dole756
2.6%Perot192
+76.5%
7,260
D
82.8%Clinton7,668
13.1%Bush1,209
4.1%Perot384
+69.7%
9,261
D
84.7%Dukakis6,958
14.8%Bush1,218
0.4%Paul35
+69.9%
8,211
D
75.2%Mondale5,047
24.7%Reagan1,658
0.1%Larouche8
+50.5%
6,713
D
76.5%Carter4,782
22.2%Reagan1,389
1.3%Anderson82
+54.3%
6,253
D
87.2%Carter4,646
12.5%Ford664
0.3%McCarthy15
+74.8%
5,325
D
58.1%McGovern3,320
41.8%Nixon2,389
0.1%Schmitz4
+16.3%
5,713
D
73.1%Humphrey3,922
25.6%Nixon1,374
1.3%Wallace71
+47.5%
5,367
D
85.5%Johnson4,056
14.3%Goldwater678
0.2%Hass8
+71.2%
4,742
D
93.5%Kennedy4,051
6.5%Nixon280
0.0%Byrd2
+87.0%
4,333
D
83.3%Stevenson2,727
16.7%Eisenhower547
0.0%
+66.6%
3,274
D
83.1%Stevenson3,055
16.9%Eisenhower620
0.0%
+66.3%
3,675
D
91.2%Truman1,996
8.2%Dewey179
0.6%Thurmond13
+83.0%
2,188
D
94.1%Roosevelt1,312
4.9%Dewey68
1.1%Thomas15
+89.2%
1,395
D
94.6%Roosevelt1,200
5.4%Willkie68
0.0%
+89.3%
1,268
D
87.4%Roosevelt2,289
12.2%Landon320
0.3%Lemke9
+75.2%
2,618
D
95.9%Roosevelt754
4.1%Hoover32
0.0%
+91.9%
786
D
90.3%Smith736
9.7%Hoover79
0.0%
+80.6%
815
D
97.0%Davis756
3.0%Coolidge23
0.0%
+94.1%
779
D
82.4%Cox418
17.6%Harding89
0.0%
+64.9%
507
D
81.8%Wilson516
18.2%Hughes115
0.0%
+63.5%
631
D
72.6%Wilson674
27.2%Taft252
0.2%Roosevelt2
+45.5%
928
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Akashic
presidential history
Presidential margin, 1912–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1912
+45.5%
1916
+63.5%
1920
+64.9%
1924
+94.1%
1928
+80.6%
1932
+91.9%
1936
+75.2%
1940
+89.3%
1944
+89.2%
1948
+83.0%
1952
+66.3%
1956
+66.6%
1960
+87.0%
1964
+71.2%
1968
+47.5%
1972
+16.3%
1976
+74.8%
1980
+54.3%
1984
+50.5%
1988
+69.9%
1992
+69.7%
1996
+76.5%
2000
+54.3%
2004
+47.5%
2008
+69.3%
2012
+73.3%
2016
+60.2%
2020
+5.0%
2024
−16.0%
DemocraticRepublican
Akashic
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Rio Grande City-Roma, TX
Year
Total registered
2016
31,134
2018
33,110
2020
34,050
2022
34,065
2024
36,420
Source: U.S. Election Assistance Commission (EAVS)
Starr County, the core of this Rio Grande metro, is over 95% Hispanic yet delivered a Republican presidential margin for the first time in decades in 2020, signaling a realignment that analysts across the spectrum are still working to explain.
Across the recorded series it reached a Democratic high of 94.1 points in 1924 and a Republican high of 16.0 points in 2024. Between 2020 and 2024 the metro moved 21.0 points toward the Republican candidate; the 2024 margin was 16.0 points.
A population of 66,067, a 2% non-Hispanic-white share, and a median household income of $37,639 describe the metro. The metro's voting pattern over the last decade is most similar to that of Zapata, TX and Eagle Pass, TX.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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 →
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Rio Grande City-Roma, TX, Texas. Akashic. https://akashic.app/cbsa/40100/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Rio Grande City-Roma, TX, Texas vote in 2024?
In 2024, Rio Grande City-Roma, TX, Texas voted Republican by 16.0 points (R+16.0), carried by the Republican candidate. Out of 16,421 votes cast, 6,862 went Democratic and 9,487 went Republican.
When did Rio Grande City-Roma, TX, Texas last vote Democratic?
The most recent presidential election in which Rio Grande City-Roma, TX, Texas voted Democratic was 2020.
How many people live in Rio Grande City-Roma, TX, Texas?
Rio Grande City-Roma, TX, Texas has a population of 66,067 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Rio Grande City-Roma, TX, Texas?
Median household income in Rio Grande City-Roma, TX, Texas is $37,639 — below the national median of $80,734. The Texas state median is $78,476.
What is the political history of Rio Grande City-Roma, TX, Texas?
Akashic tracks 34 presidential elections in Rio Grande City-Roma, TX, Texas from 1892 to 2024. Of those, 28 went Democratic and 1 went Republican.