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.
Austin-Round Rock-San Marcos, TX, Texas
Akashic
Austin-Round Rock-San Marcos, TXHarrisD+20.4
18922024
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic
59.3%
634,882
Donald TrumpRepublican
38.9%
416,716
Jill SteinGreen
1.8%
19,473
D+60R+60
5 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (5 counties) — table
2024 presidential result by county for Austin-Round Rock-San Marcos, TX, TX — winner and D-vs-R margin.
County
Winner
Margin
Bastrop County, TX
Republican
R+18.4
Caldwell County, TX
Republican
R+14.4
Hays County, TX
Democratic
D+5.6
Travis County, TX
Democratic
D+39.3
Williamson County, TX
Republican
R+2.4
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
D
59.3%Harris634,882
38.9%Trump416,716
1.8%Stein19,473
+20.4%
1,071,071
D
62.3%Biden661,325
35.5%Trump377,293
2.2%Jorgensen23,029
+26.8%
1,061,647
D
56.1%Clinton441,316
36.7%Trump288,229
7.2%Johnson56,841
+19.5%
786,386
D
51.9%Obama334,855
44.8%Romney288,873
3.4%Johnson21,693
+7.1%
645,421
D
56.3%Obama367,229
42.1%McCain274,866
1.6%Barr10,640
+14.2%
652,735
R
48.9%Kerry275,308
49.3%Bush277,916
1.8%Badnarik9,938
−0.5%
563,162
R
38.0%Gore174,349
52.7%Bush241,972
9.3%Nader42,927
−14.7%
459,248
D
48.5%Clinton175,459
43.6%Dole157,717
8.0%Perot28,893
+4.9%
362,069
D
44.1%Clinton170,871
34.1%Bush132,050
21.8%Perot84,653
+10.0%
387,574
D
52.1%Dukakis171,212
47.0%Bush154,497
1.0%Paul3,223
+5.1%
328,932
R
40.5%Mondale118,843
59.2%Reagan173,939
0.3%Larouche955
−18.8%
293,737
R
46.2%Carter99,320
47.1%Reagan101,350
6.7%Anderson14,305
−0.9%
214,975
D
53.0%Carter103,380
45.5%Ford88,844
1.5%McCarthy2,999
+7.4%
195,223
R
42.3%McGovern65,911
57.2%Nixon89,233
0.5%Schmitz741
−15.0%
155,885
D
49.8%Humphrey54,317
38.6%Nixon42,082
11.6%Wallace12,674
+11.2%
109,073
D
71.4%Johnson62,760
28.5%Goldwater25,059
0.1%Hass83
+42.9%
87,902
D
58.5%Kennedy40,943
41.2%Nixon28,832
0.3%Byrd190
+17.3%
69,965
R
49.7%Stevenson31,418
50.1%Eisenhower31,649
0.2%Andrews145
−0.4%
63,212
D
51.6%Stevenson32,270
48.3%Eisenhower30,223
0.1%Hallinan64
+3.3%
62,557
D
74.4%Truman32,785
19.8%Dewey8,709
5.9%Thurmond2,579
+54.6%
44,073
D
74.1%Roosevelt26,878
14.2%Dewey5,147
11.7%Thomas4,241
+59.9%
36,266
D
82.8%Roosevelt31,606
16.9%Willkie6,456
0.2%Thomas95
+65.9%
38,157
D
90.7%Roosevelt24,465
8.4%Landon2,260
0.9%Lemke235
+82.4%
26,960
D
90.5%Roosevelt26,717
8.9%Hoover2,641
0.5%Thomas151
+81.6%
29,509
D
54.0%Smith11,541
45.9%Hoover9,807
0.1%Thomas26
+8.1%
21,374
D
79.3%Davis20,418
16.0%Coolidge4,130
4.6%La Follette1,195
+63.3%
25,743
D
63.1%Cox10,621
17.9%Harding3,018
19.0%Debs3,206
+45.1%
16,845
D
80.0%Wilson9,929
18.1%Hughes2,244
1.9%Benson239
+61.9%
12,412
D
76.2%Wilson7,783
10.2%Taft1,046
13.6%Roosevelt1,389
+65.9%
10,218
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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
+65.9%
1916
+61.9%
1920
+45.1%
1924
+63.3%
1928
+8.1%
1932
+81.6%
1936
+82.4%
1940
+65.9%
1944
+59.9%
1948
+54.6%
1952
+3.3%
1956
−0.4%
1960
+17.3%
1964
+42.9%
1968
+11.2%
1972
−15.0%
1976
+7.4%
1980
−0.9%
1984
−18.8%
1988
+5.1%
1992
+10.0%
1996
+4.9%
2000
−14.7%
2004
−0.5%
2008
+14.2%
2012
+7.1%
2016
+19.5%
2020
+26.8%
2024
+20.4%
DemocraticRepublican
Akashic
voter registration
Registered voters
Total registered voters, over time
Registered voters
† Some years predate full county coverage; a flagged year sums only the counties reporting it.
Voter registration in Austin-Round Rock-San Marcos, TX
Year
Total registered
2016 (partial)
1,185,369
2018
1,322,214
2020
1,462,130
2022
1,550,353
2024
1,646,337
Source: U.S. Election Assistance Commission (EAVS)
Rapid in-migration from coastal tech hubs has reshaped the electorate faster than almost any other Sun Belt metro, compressing Republican margins in surrounding Williamson and Hays counties even as the urban core remains heavily Democratic.
Across the recorded series it reached a Democratic high of 82.4 points in 1936 and a Republican high of 18.8 points in 1984. Between 2020 and 2024 the metro moved 6.4 points toward the Republican candidate; the 2024 margin was 20.4 points.
A population of 2,426,592, a 49% non-Hispanic-white share, and a median household income of $100,512 describe the metro. The metro's voting pattern over the last decade is most similar to that of Denver-Aurora-Centennial, CO and San Diego-Chula Vista-Carlsbad, CA.
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Austin-Round Rock-San Marcos, TX, Texas. Akashic. https://akashic.app/cbsa/12420/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Austin-Round Rock-San Marcos, TX, Texas vote in 2024?
In 2024, Austin-Round Rock-San Marcos, TX, Texas voted Democratic by 20.4 points (D+20.4), carried by the Democratic candidate. Out of 1,071,071 votes cast, 634,882 went Democratic and 416,716 went Republican.
When did Austin-Round Rock-San Marcos, TX, Texas last vote Republican?
The most recent presidential election in which Austin-Round Rock-San Marcos, TX, Texas voted Republican was 2004.
How many people live in Austin-Round Rock-San Marcos, TX, Texas?
Austin-Round Rock-San Marcos, TX, Texas has a population of 2,426,592 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Austin-Round Rock-San Marcos, TX, Texas?
Median household income in Austin-Round Rock-San Marcos, TX, Texas is $100,512 — above the national median of $80,734. The Texas state median is $78,476.
What is the political history of Austin-Round Rock-San Marcos, TX, Texas?
Akashic tracks 34 presidential elections in Austin-Round Rock-San Marcos, TX, Texas from 1892 to 2024. Of those, 23 went Democratic and 6 went Republican.