Akashic
1892–2024

Cook County vs Harris County

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

IL

Cook County

LatestD+41.6in 2024
Population5,182,0902024 ACS
County seatChicagoIL
Most similarAllendale CountySC · twin score 100.0

Key facts

2024 presidential margin
D+41.6MIT Election Lab
Population
5,182,0902024 5-year
Median household income
$83,4982024 5-year
White (non-Hispanic)
40.1%2024 5-year
Black
21.8%2024 5-year
Hispanic / Latino
26.8%2024 5-year
County seat
Chicago
Peak Democratic margin
D+53.4 in 2008MIT Election Lab
Peak Republican margin
R+49.0 in 1920MIT Election Lab
Most similar
Allendale County, SC · twin score 100.0
presidential history
Margin, 1876–2024
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: +41.6% in 2024.flipped D · 1976+41.6%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892+12.8%
1896−18.4%
1900−4.4%
1904−32.1%
1908−18.6%
1912+13.0%
1916−6.6%
1920−49.0%
1924−41.6%
1928−6.2%
1932+13.8%
1936+27.5%
1940+10.9%
1944+15.9%
1948+8.9%
1952−0.7%
1956−13.9%
1960+13.0%
1964+26.4%
1968+9.5%
1972−7.4%
1976+8.7%
1980+12.4%
1984+2.6%
1988+12.4%
1992+30.0%
1996+40.1%
2000+40.0%
2004+41.1%
2008+53.4%
2012+49.3%
2016+53.1%
2020+50.2%
2024+41.6%
38 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
69.6%Harris1,447,821
28.1%Trump583,852
1.2%Kennedy25,127
+41.6%
2,079,239
D
74.2%Biden1,725,973
24.0%Trump558,269
0.8%Jorgensen17,657
+50.2%
2,325,405
D
73.9%Clinton1,611,946
20.8%Trump453,287
2.7%Johnson58,678
+53.1%
2,180,344
D
73.9%Obama1,488,537
24.6%Romney495,542
0.8%JOHNSON15,845
+49.3%
2,014,819
D
76.2%Obama1,629,024
22.8%McCain487,736
1.0%Nader20,706
+53.4%
2,137,466
D
70.2%Kerry1,439,724
29.1%Bush597,405
0.6%Badnarik12,305
+41.1%
2,049,434
D
68.6%Gore1,280,547
28.6%Bush534,542
2.3%Nader42,068
+40.0%
1,865,907
D
66.8%Clinton1,153,289
26.7%Dole461,557
5.6%Perot96,633
+40.1%
1,726,666
D
58.2%Clinton1,249,533
28.2%Bush605,300
13.1%Perot281,999
+30.0%
2,146,655
D
55.8%Dukakis1,129,973
43.4%Bush878,582
0.9%Paul17,589
+12.4%
2,026,144
D
51.0%Mondale1,112,641
48.4%Reagan1,055,558
0.6%Bergland12,536
+2.6%
2,180,735
D
52.0%Carter1,124,584
39.6%Reagan856,574
8.4%Anderson181,939
+12.4%
2,163,097
D
53.4%Carter1,180,814
44.7%Ford987,498
1.9%McCarthy41,436
+8.7%
2,209,748
R
46.0%McGovern1,063,268
53.4%Nixon1,234,307
0.6%Schmitz13,462
−7.4%
2,311,037
D
50.6%Humphrey1,181,316
41.1%Nixon960,493
8.3%Wallace194,729
+9.5%
2,336,538
D
63.2%Johnson1,537,181
36.8%Goldwater895,718
0.0%
+26.4%
2,432,899
D
56.4%Kennedy1,378,343
43.3%Nixon1,059,607
0.3%Byrd7,319
+13.0%
2,445,269
R
42.9%Stevenson977,821
56.8%Eisenhower1,293,223
0.3%Andrews5,800
−13.9%
2,276,844
R
49.5%Stevenson1,172,454
50.2%Eisenhower1,188,973
0.3%Hallinan6,512
−0.7%
2,367,939
D
54.2%Truman1,216,636
45.2%Dewey1,015,800
0.6%Thurmond13,463
+8.9%
2,245,899
D
57.8%Roosevelt1,275,367
41.9%Dewey924,659
0.3%Thomas6,165
+15.9%
2,206,191
D
55.2%Roosevelt1,168,141
44.4%Willkie938,454
0.4%Thomas8,212
+10.9%
2,114,807
D
62.4%Roosevelt1,253,164
34.9%Landon701,206
2.7%Lemke55,087
+27.5%
2,009,457
D
55.2%Roosevelt919,231
41.5%Hoover690,146
3.3%Thomas54,855
+13.8%
1,664,232
R
46.5%Smith716,283
52.7%Hoover812,063
0.8%Thomas11,825
−6.2%
1,540,171
R
20.3%Davis226,141
61.9%Coolidge688,973
17.8%La Follette198,538
−41.6%
1,113,652
R
22.1%Cox197,499
71.1%Harding635,197
6.8%Debs60,441
−49.0%
893,137
R
44.6%Wilson379,438
51.3%Hughes435,695
4.1%Benson34,780
−6.6%
849,913
O
30.4%Wilson130,702
17.4%Taft74,851
52.1%Roosevelt223,759
Roosevelt +21.7
429,312
R
36.9%Bryan152,990
55.5%Taft230,400
7.6%Debs31,701
−18.6%
415,091
R
26.4%Parker103,762
58.5%Roosevelt229,848
15.1%Debs59,335
−32.1%
392,945
R
46.4%Bryan186,193
50.8%McKinley203,760
2.8%Woolley11,181
−4.4%
401,134
R
40.1%Bryan152,146
58.4%McKinley221,823
1.5%Palmer5,639
−18.4%
379,608
D
55.3%Cleveland144,604
42.6%Harrison111,254
2.1%Weaver5,472
+12.8%
261,330
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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%
38 presidential elections
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
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Biggest differences

Top 9 deltas, ranked by absolute magnitude.
MetricCook CountyHarris County
Population5,182,0904,838,303
Median household income$83,498$74,983
Latest presidential marginD+41.6D+5.5
Hispanic / Latino26.8%44.0%
White (non-Hispanic)40.1%26.6%
Median age38.034.6
Black21.8%18.6%
Poverty rate (overall)13.5%16.3%
Asian7.9%7.3%