Akashic
1892–2024

Miami-Dade County vs Harris County

Side-by-side: the political memory, the demographic profile, and the deepest deltas between these two places.

FL

Miami-Dade County

LatestR+11.4in 2024
Population2,738,3562024 ACS
Most similarImperial CountyCA · twin score 94.0

Key facts

2024 presidential margin
R+11.4MIT Election Lab
Population
2,738,3562024 5-year
Median household income
$71,7532024 5-year
White (non-Hispanic)
12.6%2024 5-year
Black
14.1%2024 5-year
Hispanic / Latino
69.3%2024 5-year
Peak Democratic margin
D+95.6 in 1892MIT Election Lab
Peak Republican margin
R+21.7 in 1928MIT Election Lab
Most similar
Imperial County, CA · twin score 94.0
presidential history
Margin, 1876–2024
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1884 to 2024. Most recent: −11.4% in 2024.flipped R · 2024−11.4%DR18842024
Presidential margin over time
YearMargin (D minus R)
1884+19.4%
1888No data
1892+95.6%
1896+0.5%
1900+30.5%
1904+45.5%
1908+43.3%
1912+60.2%
1916+35.8%
1920+15.0%
1924+6.8%
1928−21.7%
1932+31.7%
1936+46.2%
1940+34.6%
1944+32.9%
1948+16.5%
1952−13.5%
1956−10.7%
1960+15.3%
1964+28.0%
1968+11.4%
1972−18.1%
1976+17.6%
1980−10.5%
1984−18.3%
1988−11.0%
1992+3.5%
1996+19.5%
2000+6.3%
2004+6.3%
2008+16.1%
2012+23.7%
2016+29.6%
2020+7.4%
2024−11.4%
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
43.9%Harris480,355
55.4%Trump605,590
0.3%Stein3,813
−11.4%
1,094,105
D
53.4%Biden617,864
46.1%Trump532,833
0.3%Jorgensen3,329
+7.4%
1,156,816
D
63.7%Clinton624,146
34.1%Trump333,999
1.3%Johnson13,219
+29.6%
980,204
D
61.6%Obama541,440
37.9%Romney332,981
0.4%Johnson3,893
+23.7%
878,314
D
57.9%Obama499,831
41.8%McCain360,551
0.4%Nader3,104
+16.1%
863,486
D
52.9%Kerry409,732
46.6%Bush361,095
0.5%Nader3,899
+6.3%
774,726
D
52.6%Gore328,867
46.3%Bush289,574
0.9%Nader5,355
+6.3%
625,552
D
57.3%Clinton317,555
37.9%Dole209,740
4.5%Perot24,729
+19.5%
553,782
D
46.7%Clinton254,609
43.2%Bush235,313
9.9%Perot54,003
+3.5%
544,843
R
44.3%Dukakis216,970
55.3%Bush270,937
0.5%Paul2,358
−11.0%
490,265
R
40.8%Mondale223,863
59.2%Reagan324,414
0.0%Other35
−18.3%
548,312
R
40.2%Carter210,868
50.7%Reagan265,888
9.2%Anderson48,149
−10.5%
524,905
D
58.1%Carter303,047
40.5%Ford211,148
1.5%McCarthy7,747
+17.6%
521,942
R
40.8%McGovern177,693
58.9%Nixon256,529
0.4%Schmitz1,541
−18.1%
435,763
D
48.4%Humphrey176,689
37.0%Nixon135,222
14.6%Wallace53,391
+11.4%
365,302
D
64.0%Johnson208,941
36.0%Goldwater117,480
0.0%
+28.0%
326,421
D
57.7%Kennedy183,114
42.3%Nixon134,506
0.0%
+15.3%
317,620
R
44.6%Stevenson105,559
55.4%Eisenhower130,938
0.0%
−10.7%
236,497
R
43.2%Stevenson93,022
56.8%Eisenhower122,174
0.0%
−13.5%
215,196
D
53.5%Truman59,681
37.0%Dewey41,301
9.4%Thurmond10,530
+16.5%
111,512
D
66.4%Roosevelt60,100
33.6%Dewey30,357
0.0%
+32.9%
90,457
D
67.3%Roosevelt51,921
32.7%Willkie25,224
0.0%
+34.6%
77,145
D
73.1%Roosevelt28,007
26.9%Landon10,295
0.0%
+46.2%
38,302
D
65.8%Roosevelt17,820
34.2%Hoover9,244
0.0%
+31.7%
27,064
R
38.4%Smith10,136
60.1%Hoover15,860
1.4%Thomas372
−21.7%
26,368
O
32.8%Davis3,474
26.0%Coolidge2,753
41.2%La Follette4,356
La Follette +8.3
10,583
D
53.1%Cox4,288
38.1%Harding3,077
8.8%Debs713
+15.0%
8,078
D
57.7%Wilson1,654
21.9%Hughes629
20.4%Benson584
+35.8%
2,867
D
65.7%Wilson1,171
5.6%Taft99
28.7%Roosevelt512
+60.2%
1,782
D
60.6%Bryan961
17.3%Taft275
22.1%Debs350
+43.3%
1,586
D
69.6%Parker887
24.1%Roosevelt307
6.4%Debs81
+45.5%
1,275
D
59.0%Bryan806
28.5%McKinley389
12.5%Woolley170
+30.5%
1,365
D
47.0%Bryan372
46.5%McKinley368
6.6%Palmer52
+0.5%
792
D
95.6%Cleveland109
0.0%Harrison0
4.4%Weaver5
+95.6%
114
No data
D
59.7%Cleveland40
40.3%Blaine27
0.0%
+19.4%
67
No data
No data
TX

Harris County

LatestD+5.5in 2024
Population4,838,3032024 ACS
County seatHoustonTX
Most similarLoudoun CountyVA · twin score 96.0

Key facts

2024 presidential margin
D+5.5MIT Election Lab
Population
4,838,3032024 5-year
Median household income
$74,9832024 5-year
White (non-Hispanic)
26.6%2024 5-year
Black
18.6%2024 5-year
Hispanic / Latino
44.0%2024 5-year
County seat
Houston
Peak Democratic margin
D+75.7 in 1936MIT Election Lab
Peak Republican margin
R+25.6 in 1972MIT Election Lab
Most similar
Loudoun County, VA · twin score 96.0
presidential history
Margin, 1876–2024
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1908 to 2024. Most recent: +5.5% in 2024.flipped D · 2008+5.5%DR19082024
Presidential margin over time
YearMargin (D minus R)
1908+47.8%
1912+62.2%
1916+52.2%
1920+24.5%
1924+36.0%
1928−11.6%
1932+68.4%
1936+75.7%
1940+55.8%
1944+56.9%
1948+12.5%
1952−15.3%
1956−24.2%
1960−6.1%
1964+19.2%
1968−4.1%
1972−25.6%
1976−5.2%
1980−19.8%
1984−23.1%
1988−14.9%
1992−4.9%
1996−4.1%
2000−11.4%
2004−10.2%
2008+1.6%
2012+0.1%
2016+12.3%
2020+13.3%
2024+5.5%
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
51.9%Harris808,771
46.4%Trump722,695
1.0%Stein15,117
+5.5%
1,557,484
D
55.9%Biden918,193
42.7%Trump700,630
1.0%Jorgensen16,819
+13.3%
1,641,257
D
54.0%Clinton707,914
41.6%Trump545,955
3.0%Johnson39,781
+12.3%
1,312,112
D
49.4%Obama587,044
49.3%Romney586,073
0.9%Gray11,098
+0.1%
1,188,585
D
50.4%Obama590,982
48.8%McCain571,883
0.7%Barr8,607
+1.6%
1,171,472
R
44.6%Kerry475,865
54.8%Bush584,723
0.7%Badnarik7,380
−10.2%
1,067,968
R
42.9%Gore418,267
54.3%Bush529,159
2.4%Nader22,994
−11.4%
974,822
R
45.2%Clinton386,726
49.2%Dole421,462
4.9%Perot42,364
−4.1%
855,893
R
38.2%Clinton360,171
43.1%Bush406,778
18.3%Perot172,922
−4.9%
942,947
R
42.1%Dukakis342,919
57.0%Bush464,217
0.9%Paul7,024
−14.9%
814,160
R
38.3%Mondale334,135
61.5%Reagan536,029
0.2%Larouche2,003
−23.1%
872,167
R
38.1%Carter274,061
57.9%Reagan416,655
4.1%Anderson29,298
−19.8%
720,014
R
47.0%Carter321,897
52.2%Ford357,536
0.9%McCarthy5,831
−5.2%
685,264
R
36.9%McGovern215,916
62.6%Nixon365,672
0.5%Schmitz2,943
−25.6%
584,531
R
38.8%Humphrey182,546
42.9%Nixon202,079
18.3%Wallace86,412
−4.1%
471,037
D
59.5%Johnson227,819
40.3%Goldwater154,401
0.2%Hass765
+19.2%
382,985
R
45.6%Kennedy148,275
51.7%Nixon168,170
2.8%Byrd8,954
−6.1%
325,399
R
36.9%Stevenson93,961
61.1%Eisenhower155,555
2.0%Andrews5,033
−24.2%
254,549
R
42.3%Stevenson107,604
57.6%Eisenhower146,665
0.1%Hallinan228
−15.3%
254,497
D
47.7%Truman58,488
35.2%Dewey43,117
17.1%Thurmond21,012
+12.5%
122,617
D
68.3%Roosevelt71,077
11.4%Dewey11,843
20.4%Thomas21,199
+56.9%
104,119
D
77.8%Roosevelt73,520
22.0%Willkie20,797
0.1%Thomas136
+55.8%
94,453
D
87.7%Roosevelt59,205
12.0%Landon8,083
0.4%Lemke245
+75.7%
67,533
D
83.8%Roosevelt46,886
15.4%Hoover8,604
0.9%Thomas480
+68.4%
55,970
R
44.1%Smith21,536
55.7%Hoover27,188
0.2%Thomas86
−11.6%
48,810
D
63.6%Davis20,648
27.6%Coolidge8,953
8.9%La Follette2,878
+36.0%
32,479
D
51.4%Cox14,808
26.8%Harding7,735
21.8%Debs6,294
+24.5%
28,837
D
74.2%Wilson10,131
22.0%Hughes3,009
3.7%Benson507
+52.2%
13,647
D
70.2%Wilson6,409
7.9%Taft726
21.9%Roosevelt1,999
+62.2%
9,134
D
72.3%Bryan5,074
24.5%Taft1,722
3.2%
+47.8%
7,018
No data
No data
No data
No data
No data
No data
No data
No data

Biggest differences

Top 9 deltas, ranked by absolute magnitude.
MetricMiami-Dade CountyHarris County
Population2,738,3564,838,303
Median household income$71,753$74,983
Hispanic / Latino69.3%44.0%
Latest presidential marginR+11.4D+5.5
White (non-Hispanic)12.6%26.6%
Median age40.734.6
Asian1.5%7.3%
Black14.1%18.6%
Poverty rate (overall)14.7%16.3%