BSGBoosterSeatGuide

State law page

Iowa Booster Seat Laws & Requirements (2026)

Under 1 yrs and under 20 lbs in rear-facing child seat | 1-5 yrs in child restraint or booster seat

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FieldIowa snapshot
Age requirementUnder 1 yrs and under 20 lbs in rear-facing child seat | 1-5 yrs in child restraint or booster seat
Height requirementNo height threshold listed in GHSA summary.
Weight requirementSee child-restraint rule; includes weight language where listed.
Fine / penaltyVerify fine with state source; GHSA notes first-offense fines vary by state.
Last checkedGHSA reviewed by SHSOs June 2025; extracted 2026-07-23
Verification levelIndex source; official state verification pending
Child restraint requiredUnder 1 yrs and under 20 lbs in rear-facing child seat | 1-5 yrs in child restraint or booster seat
Adult safety belt permissible6-17 yrs
Verification levelIndex source; official state verification pending

Sources

Law and source links

Index source: https://www.ghsa.org/state-laws-issues/child-passengers

Statute/source text: GHSA child passenger law summary; Safe Kids state law tracker cross-check

Safety guidance

Even when Iowa law allows a seat belt, NHTSA, CDC, and AAP guidance may still recommend a booster until the vehicle belt fits properly.

Requirements guide

Understand age, height, weight, and seat belt fit.

Read requirements

Age guide

See when children typically start and stop using boosters.

Read age guide