congressional districtTexas 20th Congressional District
presidential margin
2004–2024 · Democratic minus Republican
2004D+15.2
2008D+32.7
2012D+36.5
2016D+40.2
2020D+40.5
2024D+28.5
net swing · 2004→2024D+13.4D+15.2 → D+28.5
vs. U.S. · 2024D+30.0D+28.5 vs R+1.5
presidential returns
2024 turnout 43.2% of 522,125 citizens 18+
Year
Democrat
Republican
Others
Total
CVAP
Turnout
2024
143,725
79,322
2,715
225,762
522,125
43.2%
2020
172,189
72,137
2,623
246,949
495,162†
49.9%
2016
131,734
53,152
10,733
195,619
456,927†
42.8%
2012
115,143
52,773
2,731
170,647
419,845†
40.6%
2008
120,245
60,694
1,075
182,014
381,362†
47.7%
2004
98,861
72,624
1,617
173,102
342,879†
50.5%
† Citizen voting-age population estimated for prior cycles from the constituent-county ACS trend anchored to the current figure. Source: ACS 5-year, table B05003.
——
D+60R+60
20042024
District by 2024 margin · Precinct returns · VEST · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupTX-20TexasUnited States
Mexican57.2%32.1%11.3%
Puerto Rican2.0%0.8%1.8%
Spaniard0.9%0.3%—
Honduran0.7%0.8%0.3%
Spanish0.6%——
Cuban0.5%0.5%0.7%
Salvadoran0.5%1.2%0.7%
Colombian0.5%0.3%0.4%
German11.7%8.3%12.5%
English8.6%7.9%9.5%
Irish7.4%6.0%9.4%
American5.3%4.6%5.3%
Italian3.1%1.9%4.8%
French1.9%1.5%1.6%
Polish1.6%0.8%2.2%
Scottish1.6%1.3%1.3%
African American†8.7%10.3%9.9%
African0.7%0.6%0.5%
Asian Indian0.8%1.8%1.4%
Filipino0.7%0.5%0.9%
Chinese0.4%0.8%1.3%
Vietnamese0.4%1.0%0.6%
Korean0.2%0.3%0.4%
Afghan0.2%——
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
TX-20
Texas
United States
Median age
33.2
35.7
39.1
Age 18–24
10.1%
9.7%
9.2%
Age 65 and older
12.8%
13.5%
17.2%
Household economy
Measure
TX-20
Texas
United States
Median household income
$66,622
$78,476
$84,427
Poverty rate
17.2%
13.8%
12.5%
Bachelor's degree or higher (25+)
31.8%
33.6%
35.6%
Languages at home
Measure
TX-20
Texas
United States
Speaks a non-English language at home
37.0%
35.2%
22.3%
Spanish
32.8%
28.2%
13.6%
Other Indo-European
1.0%
1.7%
2.0%
Religious landscape
Measure
TX-20
Texas
United States
Catholic
—
20.1%
18.6%
Evangelical Protestant
—
23.5%
16.5%
Unclaimed / not counted
—
45.2%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Texas 20th Congressional District
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
+15.2%
2008
+32.7%
2012
+36.5%
2016
+40.2%
2020
+40.5%
2024
+28.5%
DemocraticRepublican
6 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year. Third-party votes in 2012 are allocated from certified county totals by this place's share of each county's two-party vote — that cycle's precinct source records two-party splits.
Federal officeholders only. State and local officeholders are planned for the next data pass.
Congressional elections · 25 House races · 17 Senate races
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
Source · MIT Election Lab (MEDSL), House. CC-BY 4.0.
Year
District
Won
Democratic
Republican
Total
2024
20
D
100.0%157,890
0.0%0
157,890
2022
20
D
68.4%115,352
31.6%53,226
168,599
2020
20
D
64.7%175,078
33.1%89,628
270,723
2018
20
D
80.9%139,038
0.0%0
171,963
2016
20
D
79.7%149,640
0.0%0
187,669
2014
20
D
75.7%66,554
0.0%0
87,964
2012
20
D
63.9%119,032
33.5%62,376
186,177
2010
20
D
63.6%58,645
34.4%31,757
92,185
2008
20
D
71.9%127,298
25.2%44,585
177,055
2006
20
D
87.4%68,348
0.0%0
78,245
2004
20
D
65.5%112,480
32.0%54,976
171,804
2002
20
D
100.0%68,685
0.0%0
68,685
2000
20
D
87.7%107,487
0.0%0
122,574
1998
20
D
63.2%50,356
35.6%28,347
79,713
1996
20
D
63.7%88,190
34.4%47,616
138,409
1994
20
D
62.5%60,114
37.5%36,035
96,149
1992
20
D
100.0%103,755
0.0%0
103,755
1990
20
D
100.0%56,318
0.0%0
56,318
1988
20
D
70.7%94,527
27.5%36,801
133,696
1986
20
D
100.0%55,363
0.0%0
55,363
1984
20
D
100.0%100,443
0.0%0
100,443
1982
20
D
91.5%68,544
0.0%0
74,924
1980
20
D
81.9%84,113
17.3%17,725
102,685
1978
20
D
100.0%51,584
0.0%0
51,584
1976
20
D
100.0%90,173
0.0%0
90,173
U.S. Senate
The statewide Senate race, counted in this district — aggregated from the precinct-level returns that fall inside its boundaries (not a statewide figure).
Votes · MIT Election Lab (MEDSL) precinct returns (CC BY 4.0); aggregated to the district over VEST precinct geometry (CC BY-NC 4.0).
Year
Won
Democratic
Republican
Total
2024
D
66.7%144,844
30.6%66,550
217,267
2020
R
43.9%4,888,764
53.5%5,962,983
11,144,040
2018
R
48.3%4,045,632
50.9%4,260,553
8,371,655
2014
R
34.4%1,597,387
61.6%2,861,531
4,647,370
2012
R
40.6%3,194,927
56.5%4,440,137
7,864,822
2008
R
42.8%3,389,365
54.8%4,337,469
7,912,075
2006
R
36.0%1,555,202
61.7%2,661,789
4,314,663
2002
R
43.3%1,955,758
55.3%2,496,243
4,512,590
2000
R
32.3%2,025,024
65.1%4,078,954
6,267,964
1996
R
43.9%2,428,776
54.8%3,027,680
5,527,441
1994
R
38.3%1,639,615
60.8%2,604,218
4,279,940
1990
R
37.4%1,429,986
60.2%2,302,357
3,821,432
1988
D
59.2%3,149,806
40.0%2,129,228
5,323,023
1984
R
41.4%2,202,557
58.5%3,111,348
5,314,178
1982
D
58.6%1,818,223
40.5%1,256,759
3,103,040
1978
R
49.3%1,139,149
49.8%1,151,376
2,312,540
1976
D
56.8%2,199,956
42.2%1,636,370
3,874,230
2024 U.S. Senate — every candidate counted in this district
Colin Z Allred · Democrat66.7%144,844
Ted Cruz · Republican30.6%66,550
Brown · Libertarian2.7%5,861
Andrus · Independent0.0%12
TX-20 covers the heart of San Antonio and returned an 18.6-point Democratic margin in 2024, reflecting a majority-Hispanic electorate concentrated in one of Texas's largest urban cores.
Across the recorded series it reached a Democratic high of 40.5 points in 2020. Between 2020 and 2024 the district moved 12.0 points toward the Republican candidate; the 2024 margin was 28.5 points.
A population of 766,967, a 16% non-Hispanic-white share, and a median household income of $66,622 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 29 and Congressional District 7.
Akashic
Political twins — districts
The congressional districts 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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Texas 20th Congressional District. Akashic. https://akashic.app/cd/4820/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Texas 20th Congressional District vote in 2024?
In 2024, Texas 20th Congressional District voted Democratic by 28.5 points (D+28.5), carried by the Democratic candidate. Out of 225,762 votes cast, 143,725 went Democratic and 79,322 went Republican.
How many people live in Texas 20th Congressional District?
Texas 20th Congressional District has a population of 766,967 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Texas 20th Congressional District?
Median household income in Texas 20th Congressional District is $66,622 — below the national median of $80,734. The Texas state median is $78,476.
What is the political history of Texas 20th Congressional District?
Akashic tracks 6 presidential elections in Texas 20th Congressional District from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.
