Iowa’s child passenger safety law sets specific age, weight, and height thresholds for car seats and boosters. This guide lays out the current requirements as published by the official Iowa Legislature, plus penalties, front-seat rules, and answers to the questions parents ask most.
Law data last verified against official state sources: October 4, 2026.
Quick answer
Iowa requires rear-facing under age 1 and 20 lbs, a child restraint under age 6, and a restraint or belt for ages 6–11. Scheduled fine: $100.
Iowa car seat requirements by age and size
| Stage | What Iowa law requires |
|---|---|
| Rear-facing | A child under 1 year of age AND weighing less than 20 pounds must be secured in a rear-facing child restraint system per manufacturer instructions. |
| Forward-facing | A child under 6 years of age (not meeting the rear-facing criteria) must be secured in a child restraint system per manufacturer instructions. |
| Booster seat | A child at least 6 but under 11 years must be secured in a child restraint system (includes belt-positioning/booster seats) per manufacturer instructions or a safety belt — booster not separately mandated. |
| Seat belt only | Age 6+ (children 6 to under 11 may use a seat belt alone). |
Fines and penalties in Iowa
Fine: $100 scheduled fine (§ 805.8A(14)(c)(2)).
Front seat rules in Iowa
Front-seat rule: not specified in state law. Note: .
The official law
- Statute: Iowa Code § 321.446 (tiers); penalty at § 805.8A(14)(c)
- Official source: Iowa Legislature
Iowa car seat law FAQs
What is the fine for a car seat violation in Iowa?
Fine: $100 scheduled fine (§ 805.8A(14)(c)(2)).
When can my child stop using a booster seat in Iowa?
A child at least 6 but under 11 years must be secured in a child restraint system (includes belt-positioning/booster seats) per manufacturer instructions or a safety belt — booster not separately mandated. Age 6+ (children 6 to under 11 may use a seat belt alone).
Does Iowa law require rear-facing car seats?
A child under 1 year of age AND weighing less than 20 pounds must be secured in a rear-facing child restraint system per manufacturer instructions.
Can my child ride in the front seat in Iowa?
Front-seat rule: not specified in state law. Note: .
Where can I read the official Iowa car seat law?
Statute: Iowa Code § 321.446 (tiers); penalty at § 805.8A(14)(c) Official source: Iowa Legislature.
Check another state
Driving across state lines? Requirements change at the border — use our interactive car seat law checker to look up any state by your child’s age, weight, and height.
Related state guides:
This page is for general informational purposes only and is not legal advice. Child passenger safety laws change — always verify current requirements with your state’s DMV, highway safety office, or the official statute linked below before making decisions.