| Turnout | Charles Grassley* (R) |
David Osterberg (D) |
Susan Marcus (Natural Law) |
Margaret Trowe (Socialist Workers) |
Other | Margin | TOTAL | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TOTAL | 41% | 17,166 | 63.0% | 9,824 | 36.0% | 203 | 0.7% | 55 | 0.2% | 5 | 0.0% | 7,342 | 27,253 |
Campaign finance data for this election**:
| Charles Grassley* | |
| Total Disbursements: | $3,743,873 |
| Total Receipts: | $4,531,099 |
| Cash on Hand: | $1,610,727 |
| Candidate Contributions: | $0 |
| Candidate Loans: | $0 |
| Individual Contributions: | $1,819,615 |
| Party Contributions: | $17,823 |
| Other Committee Contributions: | $1,556,765 |
| Other Committee Transfers: | $730,166 |
| Indep. Expenditures Supporting: | $10,149 |
| Indep. Expenditures Opposing: | $0 |
| Net Independent Expenditures: | $10,149 |
| Net Spending: | $3,754,022 |
| David Osterberg | |
| Total Disbursements: | $165,429 |
| Total Receipts: | $165,655 |
| Cash on Hand: | $225 |
| Candidate Contributions: | $0 |
| Candidate Loans: | $1,000 |
| Individual Contributions: | $136,274 |
| Party Contributions: | $2,221 |
| Other Committee Contributions: | $25,200 |
| Other Committee Transfers: | $0 |
| Indep. Expenditures Supporting: | $0 |
| Indep. Expenditures Opposing: | $0 |
| Net Independent Expenditures: | $0 |
| Net Spending: | $165,429 |
**Financial data shown here takes into account all elections for this office during this cycle, including primary, special and runoff elections, if any.
Source: https://www.fec.gov/data/elections/senate/IA/1998