---
type: Person
title: "Robert F. Onder, Jr."
description: "U.S. House of Representatives - MO-3 — Congressional District 3"
role: "U.S. House of Representatives - MO-3"
party: "R"
level: "federal"
branch: "legislative"
state: "MO"
district: "Congressional District 3"
tenure:
  start: "2025-01-03"
  current: true
election:
  next: 2026
  term_length: 2
  term_limit: "none"
ids:
  person: "1c74e202-d0bc-42f6-af99-a6ab2b72b3d2"
  office: "e1183293-669e-48fe-8725-898c5d520238"
  tenure: "5f6ef317-e1f8-48ad-9dad-919b61390f3a"
  jurisdiction: "54fc10e5-7ab7-4b2a-8277-6d236a2d3c2c"
sources:
  - field: tenure
    source: "House Clerk XML 2026-06-10"
  - field: jurisdiction
    source: "Census 119th CD 500k"
confidence: official
tags: [officeholder, federal, legislative, mo]
timestamp: "2026-06-20"
---

# Robert F. Onder, Jr.

Current U.S. House of Representatives - MO-3 (Congressional District 3).

## Sources

- tenure: House Clerk XML 2026-06-10
- jurisdiction: Census 119th CD 500k

Generated from the Atlas officeholders v2 export (2026-06-20).