| Election Name: | 1948 Democratic Party presidential primaries |
| Country: | United States |
| Flag Year: | 1912 |
| Type: | primary |
| Ongoing: | no |
| Previous Election: | 1944 Democratic Party presidential primaries |
| Previous Year: | 1944 |
| Next Election: | 1952 Democratic Party presidential primaries |
| Next Year: | 1952 |
| Election Date: | March 9 to June 1, 1948 |
| Color1: | 3333ff |
| Candidate1: | Harry S. Truman |
| Home State1: | Missouri |
| States Carried1: | 8 |
| Popular Vote1: | 1,419,875 |
| Percentage1: | 64.7% |
| Color2: | ff3232 |
| Candidate2: | William Alexander Julian |
| Home State2: | Ohio |
| States Carried2: | 0 |
| Popular Vote2: | 271,146 |
| Percentage2: | 12.5% |
| Color3: | 37C871 |
| Candidate3: | Harley M. Kilgore |
| Home State3: | West Virginia |
| States Carried3: | 1 |
| Popular Vote3: | 157,102 |
| Percentage3: | 7.2% |
| Democratic nominee | |
| Before Election: | Franklin D. Roosevelt |
| After Election: | Harry S. Truman |
From March 9 to June 1, 1948, voters of the Democratic Party elected delegates to the 1948 Democratic National Convention where the party chose its nominee for president in the 1948 United States presidential election.[1] Incumbent President Harry S. Truman was selected as the nominee through a series of primary elections and caucuses culminating in the 1948 Democratic National Convention held from July 12 to July 14, 1948, in Philadelphia, Pennsylvania.
| State | Delegates[2] | Primary date | |
|---|---|---|---|
| New Hampshire | 12 | ||
| New York | 98 | ||
| Wisconsin | 24 | ||
| Illinois | 60 | ||
| Nebraska | 12 | ||
| New Jersey | 36 | ||
| Massachusetts | 36 | ||
| Pennsylvania | 74 | ||
| Maryland | 20 | ||
| Alabama | 26 | ||
| Florida | 20 | ||
| Ohio | 50 | ||
| West Virginia | 20 | ||
| Oregon | 16 | ||
| California | 54 | ||
| South Dakota | 8 |
| Date | Contest | Popular vote | ||||
|---|---|---|---|---|---|---|
| Truman | Julian | Eisenhower | Lucas | Unnamed | ||
| April 6 | Wisconsin[3] | 25,415 (83.81%) | – | – | – | 4,906 (16.19%) |
| April 13 | Illinois[4] | 16,299 (81.71%) | – | 1,709 (8.57%) | 427 (2.14%) | 1,513 (7.58%) |
| Nebraska[5] | 67,672 (98.70%) | – | – | – | 894 (1.30%) | |