| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 12,197 | 25,871 | 38,897 | |
| 2020 | R | 13,303 | 26,449 | 40,630 | |
| 2016 | R | 11,215 | 23,675 | 37,342 | |
| 2012 | R | 15,135 | 20,327 | 36,291 | |
| 2008 | R | 17,871 | 20,248 | 38,624 | |
| 2004 | R | 12,998 | 23,714 | 37,021 | |
| 2000 | R | 12,899 | 20,331 | 34,095 | |
| 1996 | R | 11,999 | 16,771 | 33,205 | |
| 1992 | R | 10,288 | 15,306 | 34,340 | |
| 1988 | R | 11,518 | 19,971 | 31,620 | |
| 1984 | R | 10,458 | 22,386 | 33,046 | |
| 1980 | R | 12,916 | 21,272 | 35,910 | |
| 1976 | R | 14,815 | 19,571 | 34,653 | |
| 1972 | R | 8,083 | 23,089 | 31,341 | |
| 1968 | R | 11,026 | 15,905 | 31,566 | |
| 1964 | D | 17,809 | 12,897 | 30,941 | |
| 1960 | R | 13,415 | 17,938 | 31,502 | |
| 1956 | R | 12,159 | 17,234 | 29,581 | |
| 1952 | R | 12,938 | 15,212 | 28,517 | |
| 1948 | D | 12,937 | 10,874 | 24,362 | |
| 1944 | R | 11,224 | 11,515 | 23,265 | |
| 1940 | D | 12,655 | 11,855 | 24,793 | |
| 1936 | D | 12,288 | 9,534 | 22,346 | |
| 1932 | D | 10,541 | 9,257 | 20,744 | |
| 1928 | R | 5,930 | 12,632 | 18,885 | |
| 1924 | R | 5,451 | 10,438 | 17,383 | |
| 1920 | R | 5,767 | 10,379 | 17,730 | |
| 1916 | R | 3,934 | 4,777 | 10,082 | |
| 1912 | D | 2,824 | 2,152 | 8,839 | |
| 1908 | R | 3,497 | 4,423 | 8,741 | |
| 1904 | R | 2,098 | 5,014 | 8,196 | |
| 1900 | R | 2,823 | 4,308 | 7,605 | |
| 1896 | R | 3,191 | 4,195 | 7,546 | |
| 1892 | R | 2,331 | 3,576 | 6,999 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Howard County's economy has long centered on auto-parts production in Kokomo, and its voting pattern reflects a working-class industrial base that has shifted decisively toward Republican candidates over the past two decades, now landing at R+35 in 2024.
The Republican margin in Howard County reached its widest at forty-eight points in 1972. The margin in 2024 was thirty-five points, in line with the county's deep historical pattern.
Howard County's loyalty is rooted in its place. Median household income of $64,027, a 85% non-Hispanic-white share, and a population of 83,752 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Cass County and White County.