Akashic
1892–2024
Akashic
Austin-Round Rock-San Marcos, TX
presidential margin
2008D+14.22012D+7.12016D+19.52020D+26.82024D+20.4
full record · 19122024
D+20.4
2024
median income$100,512U.S. $80,734 · TX $78,476
median age36.0U.S. 39.1 · TX 35.7
poverty rate9.8%U.S. 12.5% · TX 13.8%
bachelor’s+ (25+)50.7%U.S. 35.6% · TX 33.6%
non-english28.4%U.S. 22.3% · TX 35.2%
race · ethnicity · ancestry
German12.4%
English10.8%
Irish8.3%
Mexican24.5%
Puerto Rican0.9%
Honduran0.9%
Asian Indian3.0%
Chinese1.2%
Vietnamese0.7%
African American5.7%
African0.5%
Nigerian0.3%
religion
other traditions
Mainline4.0%
Black Protestant1.6%
Latter-day Saints1.3%
Muslim1.0%
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
2024 presidential margin by county for Austin-Round Rock-San Marcos, TX, TXA map of the constituent counties of Austin-Round Rock-San Marcos, TX, TX, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Bastrop County, TX · R+18.4Caldwell County, TX · R+14.4Hays County, TX · D+5.6Travis County, TX · D+39.3Williamson County, TX · R+2.4
How it voted
Share of the 2024 vote
Kamala HarrisDemocratic59.3%634,882
Donald TrumpRepublican38.9%416,716
Jill SteinGreen1.8%19,473
D+60
R+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.
CountyWinnerMargin
Bastrop County, TXRepublicanR+18.4
Caldwell County, TXRepublicanR+14.4
Hays County, TXDemocraticD+5.6
Travis County, TXDemocraticD+39.3
Williamson County, TXRepublicanR+2.4
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
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
No data
No data
No data
No data
No data
presidential history
Presidential margin, 1912–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1912 to 2024. Most recent: +20.4% in 2024.flipped D · 2008+20.4%DR19122024
Presidential margin over time
YearMargin (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
voter registration
Registered voters
Total registered voters, over time
Voter registration in Austin-Round Rock-San Marcos, TXTotal registered voters, 2016–2024. Latest 1,646,337 in 2024.411.6K823.2K1.2M1.6M1.6M20162024
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
YearTotal registered
2016 (partial)1,185,369
20181,322,214
20201,462,130
20221,550,353
20241,646,337
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.

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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Frequently asked questions

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.