| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Mayor Thomas McDermott of Hammond faced no opposition in the Democratic primary to face incumbent Republican Sen. Todd Young in November.
Senate: Indiana Primary County Results (D)
Adams
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Allen
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Bartholomew
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Benton
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Blackford
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Boone
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Brown
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Carroll
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |
Cass
| Candidate(s) | % | Votes | |
|---|---|---|---|
| McDermott | % |