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Riverside-San Bernardino-Ontario, CA Metro Area


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Click here to view demographic data for Riverside-San Bernardino-Ontario, CA Metro Area

2024 population: 4,744,214   ( 142,583 from 2020)
Land area: 27277.2 square miles
Population density: 173.9 persons per square mile

2024 Census data
White:1,290,658 27.20% 8.6%
Black:336,9527.10% 0.6%
Indian:19,4700.41% 2.3%
Asian:404,9898.54% 15.2%
2+ races:114,9232.42% 5.5%
Hispanic:2,577,22254.32% 8.6%
Total non-White:3,453,55672.80% 8.3%

2020-2024 ComponentsNumberRate
Births:227,226 12.3
Deaths:167,6039.1
Net Migration: 30,2771.6
Net Immigration: 50,6352.8
Change in White population:-121,748 -2.6
Change in Non-White pop.:264,331 5.7



Historical Presidential Election Results for Riverside-San Bernardino-Ontario, CA Metro Area

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R +26,692 R +196,995 R + 11.1%
D -170,303
2024 vs. 2016 R +237,610 R +138,242 R + 10.0%
D +99,368
2020 vs. 2016 R +210,918 D +58,753 D + 1.0%
D +269,671
2024 vs. 2012 R +261,608 R +81,884 R + 6.1%
D +179,724
2016 vs. 2008 R +17,034 D +56,757 D + 4.0%
D +73,791
How to interpret this table


Click on the Year to view county-level data for that election.

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(US) 		PUSV
2024 49% Donald Trump (R) 842,093 49.5% Kamala Harris (D) 813,896 47.8% 46,367 [+] 2.7% 1,702,356 0 1.09%
2020 53% Joe Biden (D) 984,199 53.5% Donald Trump* (R) 815,401 44.4% 38,686 [+] 2.1% 1,838,286 -2 1.16%
2016 43% Hillary Clinton (D) 714,528 50.8% Donald Trump (R) 604,483 43.0% 86,363 [+] 6.1% 1,405,374 -3 1.02%
2012 40% Barack Obama* (D) 634,172 50.9% Mitt Romney (R) 580,485 46.6% 31,389 [+] 2.5% 1,246,046 -1 0.96%
2008 44% Barack Obama (D) 640,737 51.1% John McCain (R) 587,449 46.9% 25,447 [+] 2.0% 1,253,633 1 0.95%
2004 42% George W. Bush* (R) 611,779 56.6% John Kerry (D) 456,595 42.2% 12,481 [+] 1.2% 1,080,855 6 0.88%
2000 41% George W. Bush (R) 453,712 50.1% Albert Gore, Jr. (D) 417,325 46.1% 34,983 [+] 3.9% 906,020 2 0.86%
1996 39% Robert Dole (R) 358,746 44.6% Bill Clinton* (D) 351,951 43.7% 94,271 [+] 11.7% 804,968 4 0.84%
1992 48% Bill Clinton (D) 349,875 38.7% George Bush* (R) 336,020 37.2% 218,450 [+] 24.2% 904,345 0 0.87%
1988 44% George Bush (R) 435,146 59.7% Michael Dukakis (D) 284,240 39.0% 8,970 [+] 1.2% 728,356 6 0.80%
1984 45% Ronald Reagan* (R) 404,395 64.2% Walter Mondale (D) 218,497 34.7% 7,015 1.1% 629,907 5 0.68%
1980 48% Ronald Reagan (R) 318,599 59.8% Jimmy Carter* (D) 168,440 31.6% 46,051 [+] 8.6% 533,090 9 0.62%
1976 47% Gerald Ford* (R) 211,039 49.4% Jimmy Carter (D) 205,864 48.2% 10,540 [+] 2.5% 427,443 1 0.52%
1972 54% Richard Nixon* (R) 252,809 59.0% George McGovern (D) 157,577 36.8% 18,274 [+] 4.3% 428,660 -2 0.55%
1968 59% Richard Nixon (R) 195,388 51.2% Hubert Humphrey (D) 150,564 39.5% 35,334 [+] 9.3% 381,286 8 0.52%
1964 63% Lyndon Johnson* (D) 203,540 57.0% Barry Goldwater (R) 153,310 42.9% 338 0.1% 357,188 4 0.51%
1960 63% Richard Nixon (R) 165,336 53.6% John Kennedy (D) 141,765 45.9% 1,488 0.5% 308,589 4 0.45%
1956 56% Dwight Eisenhower* (R) 143,029 58.9% Adlai Stevenson (D) 99,044 40.8% 906 0.4% 242,979 1 0.39%
1952 63% Dwight Eisenhower (R) 129,410 60.2% Adlai Stevenson (D) 83,611 38.9% 1,941 0.9% 214,962 5 0.35%
1948 55% Thomas Dewey (R) 78,779 51.3% Harry Truman* (D) 68,996 44.9% 5,927 [+] 3.9% 153,702 6 0.31%
1944 51% Franklin Roosevelt* (D) 57,969 49.9% Thomas Dewey (R) 57,252 49.3% 992 0.9% 116,213 3 0.24%
1940 62% Franklin Roosevelt* (D) 57,523 51.7% Wendell Willkie (R) 52,290 47.0% 1,445 1.3% 111,258 2 0.22%
1936 57% Franklin Roosevelt* (D) 50,966 55.9% Alf Landon (R) 38,893 42.7% 1,264 [+] 1.4% 91,123 6 0.20%
1932 53% Franklin Roosevelt (D) 37,644 48.5% Herbert Hoover* (R) 36,206 46.6% 3,810 [+] 4.9% 77,660 7 0.20%
1928 49% Herbert Hoover (R) 46,829 75.9% Al Smith (D) 14,205 23.0% 659 [+] 1.1% 61,693 18 0.17%
1924 42% Calvin Coolidge (R) 25,593 58.7% Robert LaFollette (Prog) 12,924 29.7% 5,060 [+] 11.6% 43,577 5 0.15%
1920 41% Warren Harding (R) 21,642 65.5% James Cox (D) 8,418 25.5% 2,979 [+] 9.0% 33,039 5 0.12%
1916 51% Charles Evans Hughes (R) 19,384 52.1% Woodrow Wilson* (D) 13,959 37.5% 3,841 [+] 10.3% 37,184 6 0.20%
1912 39% Theodore Roosevelt (Prog) 11,348 44.6% Woodrow Wilson (D) 8,798 34.6% 5,300 [+] 20.8% 25,446 -22 0.17%
1908 28% William Taft (R) 7,958 54.6% William J. Bryan (D) 4,059 27.8% 2,564 [+] 17.6% 14,581 3 0.10%
1904 26% Theodore Roosevelt (R) 6,522 60.9% Alton Parker (D) 2,251 21.0% 1,941 [+] 18.1% 10,714 4 0.08%
1900 34% William McKinley* (R) 5,464 55.6% William J. Bryan (D) 3,481 35.4% 875 [+] 8.9% 9,820 4 0.07%
* incumbent         PSV: percent of state vote



2020 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Joe Biden (D) 984,199 53.5%
Donald Trump* (R) 815,401 44.4%
Jo Jorgensen (Lbt) 18,761 1.0%
Other 19,925 1.1%
TOTAL 1,838,286
Turnout: 53% Diff (US): -2


2016 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Hillary Clinton (D) 714,528 50.8%
Donald Trump (R) 604,483 43.0%
Gary Johnson (Lbt) 45,139 3.2%
Jill Stein (Grn) 21,924 1.6%
Evan McMullin (I) 4,045 0.3%
Other 15,255 1.1%
TOTAL 1,405,374
Turnout: 43% Diff (US): -3


2012 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Barack Obama* (D) 634,172 50.9%
Mitt Romney (R) 580,485 46.6%
Gary Johnson (Lbt) 12,106 1.0%
Other 19,283 1.5%
TOTAL 1,246,046
Turnout: 40% Diff (US): -1


2008 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Barack Obama (D) 640,737 51.1%
John McCain (R) 587,449 46.9%
Ralph Nader (I) 10,114 0.8%
Bob Barr (Lbt) 5,788 0.5%
Other 9,545 0.8%
TOTAL 1,253,633
Turnout: 44% Diff (US): 1


2004 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
George W. Bush* (R) 611,779 56.6%
John Kerry (D) 456,595 42.2%
Other 12,481 1.2%
TOTAL 1,080,855
Turnout: 42% Diff (US): 6


2000 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
George W. Bush (R) 453,712 50.1%
Albert Gore, Jr. (D) 417,325 46.1%
Ralph Nader (Grn) 23,453 2.6%
Pat Buchanan (Ref) 5,271 0.6%
Other 6,259 0.7%
TOTAL 906,020
Turnout: 41% Diff (US): 2


1996 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Bill Clinton* (D) 351,951 43.7%
Robert Dole (R) 358,746 44.6%
Ross Perot (Ref) 74,811 9.3%
Ralph Nader (Grn) 9,964 1.2%
Harry Browne (Lbt) 4,279 0.5%
Other 5,217 0.6%
TOTAL 804,968
Turnout: 39% Diff (US): 4


1992 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Bill Clinton (D) 349,875 38.7%
George Bush* (R) 336,020 37.2%
Ross Perot (I) 211,416 23.4%
Other 7,034 0.8%
TOTAL 904,345
Turnout: 48% Diff (US): 0


1988 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
George Bush (R) 435,146 59.7%
Michael Dukakis (D) 284,240 39.0%
Ron Paul (Lbt) 4,255 0.6%
Other 4,715 0.6%
TOTAL 728,356
Turnout: 44% Diff (US): 6


1984 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Ronald Reagan* (R) 404,395 64.2%
Walter Mondale (D) 218,497 34.7%
Other 7,015 1.1%
TOTAL 629,907
Turnout: 45% Diff (US): 5


1980 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Ronald Reagan (R) 318,599 59.8%
Jimmy Carter* (D) 168,440 31.6%
John Anderson (I) 35,468 6.7%
Edward Clark (Lbt) 7,723 1.4%
Other 2,860 0.5%
TOTAL 533,090
Turnout: 48% Diff (US): 9


1976 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Jimmy Carter (D) 205,864 48.2%
Gerald Ford* (R) 211,039 49.4%
Eugene McCarthy (I) 1,927 0.5%
Other 8,613 2.0%
TOTAL 427,443
Turnout: 47% Diff (US): 1


1972 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Richard Nixon* (R) 252,809 59.0%
George McGovern (D) 157,577 36.8%
John Schmitz (Amer) 16,185 3.8%
Other 2,089 0.5%
TOTAL 428,660
Turnout: 54% Diff (US): -2


1968 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Richard Nixon (R) 195,388 51.2%
Hubert Humphrey (D) 150,564 39.5%
George Wallace (AIP) 33,619 8.8%
Other 1,715 0.4%
TOTAL 381,286
Turnout: 59% Diff (US): 8


1964 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Lyndon Johnson* (D) 203,540 57.0%
Barry Goldwater (R) 153,310 42.9%
Other 338 0.1%
TOTAL 357,188
Turnout: 63% Diff (US): 4


1960 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
John Kennedy (D) 141,765 45.9%
Richard Nixon (R) 165,336 53.6%
Other 1,488 0.5%
TOTAL 308,589
Turnout: 63% Diff (US): 4


1956 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Dwight Eisenhower* (R) 143,029 58.9%
Adlai Stevenson (D) 99,044 40.8%
Other 906 0.4%
TOTAL 242,979
Turnout: 56% Diff (US): 1


1952 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Dwight Eisenhower (R) 129,410 60.2%
Adlai Stevenson (D) 83,611 38.9%
Other 1,941 0.9%
TOTAL 214,962
Turnout: 63% Diff (US): 5


1948 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Harry Truman* (D) 68,996 44.9%
Thomas Dewey (R) 78,779 51.3%
Henry Wallace (Prog) 4,440 2.9%
Other 1,487 1.0%
TOTAL 153,702
Turnout: 55% Diff (US): 6


1944 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Franklin Roosevelt* (D) 57,969 49.9%
Thomas Dewey (R) 57,252 49.3%
Other 992 0.9%
TOTAL 116,213
Turnout: 51% Diff (US): 3


1940 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Franklin Roosevelt* (D) 57,523 51.7%
Wendell Willkie (R) 52,290 47.0%
Other 1,445 1.3%
TOTAL 111,258
Turnout: 62% Diff (US): 2


1936 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Franklin Roosevelt* (D) 50,966 55.9%
Alf Landon (R) 38,893 42.7%
Norman Thomas (Soc) 393 0.4%
Other 871 1.0%
TOTAL 91,123
Turnout: 57% Diff (US): 6


1932 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Franklin Roosevelt (D) 37,644 48.5%
Herbert Hoover* (R) 36,206 46.6%
Norman Thomas (Soc) 2,195 2.8%
Other 1,615 2.1%
TOTAL 77,660
Turnout: 53% Diff (US): 7


1928 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Herbert Hoover (R) 46,829 75.9%
Al Smith (D) 14,205 23.0%
Norman Thomas (Soc) 659 1.1%
TOTAL 61,693
Turnout: 49% Diff (US): 18


1924 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Calvin Coolidge (R) 25,593 58.7%
John Davis (D) 3,952 9.1%
Robert LaFollette (Prog) 12,924 29.7%
Other 1,108 2.5%
TOTAL 43,577
Turnout: 42% Diff (US): 5


1920 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Warren Harding (R) 21,642 65.5%
James Cox (D) 8,418 25.5%
Eugene Debs (Soc) 1,580 4.8%
Aaron Watkins (Proh) 1,399 4.2%
TOTAL 33,039
Turnout: 41% Diff (US): 5


1916 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Woodrow Wilson* (D) 13,959 37.5%
Charles Evans Hughes (R) 19,384 52.1%
Allan Benson (Soc) 1,595 4.3%
James Hanly (Proh) 2,246 6.0%
TOTAL 37,184
Turnout: 51% Diff (US): 6


1912 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Woodrow Wilson (D) 8,798 34.6%
Theodore Roosevelt (Prog) 11,348 44.6%
William Taft* (R) 296 1.2%
Eugene Debs (Soc) 2,937 11.5%
Eugene Chafin (Proh) 2,067 8.1%
TOTAL 25,446
Turnout: 39% Diff (US): -22


1908 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
William Taft (R) 7,958 54.6%
William J. Bryan (D) 4,059 27.8%
Eugene Debs (Soc) 1,342 9.2%
Eugene Chafin (Proh) 1,045 7.2%
Thomas Hisgen (I) 177 1.2%
TOTAL 14,581
Turnout: 28% Diff (US): 3


1904 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
Theodore Roosevelt (R) 6,522 60.9%
Alton Parker (D) 2,251 21.0%
Eugene Debs (Soc) 1,330 12.4%
Silas Swallow (Proh) 611 5.7%
TOTAL 10,714
Turnout: 26% Diff (US): 4


1900 President, Riverside-San Bernardino-Ontario, CA Metro Area
CandidateVotesPct
William McKinley* (R) 5,464 55.6%
William J. Bryan (D) 3,481 35.4%
Other 875 8.9%
TOTAL 9,820
Turnout: 34% Diff (US): 4
* incumbent