U.S. House race · November 3, 2026
U.S. Representative, Ohio District 15
Represents the district in the U.S. House of Representatives, which writes and votes on federal laws, taxes and spending.
2-year term. Under the 2026 map, the district includes western and southern Franklin County (including Dublin, Hilliard, Grove City and Groveport), all of Madison County, large parts of Clark, Miami and Fayette counties, and sections of Highland and Pickaway counties.
The candidates
Listed alphabetically by last name.
Brennan Barrington
Water meter technician; member, Libertarian Party of Ohio Central CommitteeBrennan Barrington, 30, is a water meter technician with an aerospace engineering degree from Ohio State University and a member of the Libertarian Party of Ohio's Central Committee. He was unopposed in the May 2026 Libertarian primary and says his campaign centers on returning power from Washington to states and individuals, cutting taxes, spending, and regulation, and changing how members of Congress are elected.
Mike Carey
U.S. Representative, Ohio's 15th District (since 2021)Mike Carey, a Republican from Columbus, has represented Ohio's 15th District since winning a 2021 special election. Before that he spent more than 20 years as an energy-industry executive. He serves on the House Ways and Means Committee and the Committee on House Administration. His campaign describes him as an "America First" outsider and emphasizes tax cuts and affordability, Social Security and public safety.
Don Leonard
Former professor of city and regional planning, The Ohio State UniversityDon Leonard, 48, is a Columbus resident who taught city and regional planning at Ohio State University for about 10 years and previously served in the Peace Corps in South America. He won the May 2026 Democratic primary and says his campaign centers on the idea that "one job should be enough," with proposals on health insurance, housing, child care, retirement costs, and data centers.
Compare on the issues
Summaries of each candidate's stated positions. See each profile for sources and details.
| Issue | Brennan Barrington Libertarian | Mike Carey Republican | Don Leonard Democratic |
|---|---|---|---|
| Energy & Environment | Says data center siting and impacts should be handled by state and local governments rather than federal rules; supports federal regulation of advanced artificial intelligence safety, including negotiations with China. | Reintroduced the Pay Less at the Pump Act (2026) with Sen. John Barrasso, which would repeal the Superfund excise tax on crude oil received at U.S. refineries and on imported petroleum products. | Supports a national moratorium on new data center construction and a "data center bill of rights" with setbacks from farms and neighborhoods, local control over siting, and ratepayer protections; also supports renewable energy and passive cooling for data centers. |
| Housing | Supports easing rules on high-density housing construction and spare-room rentals, and conditioning federal funding on removing local barriers to such housing; opposes rent control and housing subsidies. | Introduced the bipartisan Affordable Housing Credit Carryback Act (H.R. 9012) with Rep. Jimmy Panetta (D), which would extend the Low-Income Housing Tax Credit carryback period from one year to five. | Supports a "21st-century GI Bill" for housing that he says would double the rate of starter home construction. |
| Elections & Democracy | Supports ranked choice voting for U.S. Senate elections, statewide proportional representation for U.S. House seats, and expanding the House to about 1,000 members. | No public position found yet | Opposes the Citizens United v. FEC ruling and supports limiting money in politics; supports an independent commission to investigate and report to Congress on the conduct of the current administration; says Congress should restore its constitutional authority over decisions to go to war. |
| Social Security & Medicare | No public position found yet | Says he is committed to strengthening Social Security and protecting earned benefits; cites his push for scrutiny of Social Security overpayment notices and his support for the Social Security Fairness Act. | Supports eliminating the Social Security payroll tax cap and supporting family caregivers who care for aging or disabled relatives at home. |
| Taxes | Supports lowering taxes on capital gains and income while taxing land-appreciation profits more heavily, ending special exemptions in the income tax code, and a greenhouse gas emissions tax returned to citizens as a flat dividend. | Says he helped pass the Working Families Tax Cuts and that cutting taxes is central to lowering living costs. | No public position found yet |
| Economy & Jobs | No public position found yet | No public position found yet | Says no Ohio family should spend more than 7% of monthly income on child care; supports expanding Head Start and subsidies for private care. |
| Foreign Policy | Opposes undeclared military operations; proposes a defense appropriations rider and a constitutional amendment requiring specific congressional authorization for military action abroad. | No public position found yet | No public position found yet |
| Government Ethics | No public position found yet | Co-sponsored the Stop Insider Trading Act, which would bar members of Congress from buying new individual stocks while in office, and voted to advance it in committee in January 2026. | No public position found yet |
| Guns | Opposes all federal restrictions on the manufacture and possession of weapons other than weapons of mass destruction. | No public position found yet | No public position found yet |
| Health Care | No public position found yet | No public position found yet | Supports creating a public option "like Medicare" for anyone who wants it and says he would work to cut out-of-pocket costs of private health insurance. |
| Public Safety | No public position found yet | Says he supports law enforcement and border security, citing his support for the Laken Riley Act and the HALT Fentanyl Act. | No public position found yet |

