Iowa daycare ratios by age
Iowa's child care center rule (Iowa Admin. Code r. 441-109.8(2)) sets the staff-to-child ratios below: one adult for every 10 three-year-olds. Read on 2026-10-31; your licensing consultant has the last word.
Iowa child care center ratios and group sizes
| Age | Children per adult | Largest group |
|---|---|---|
| Infants (under 12 months) | 1 to 4 | not set by age |
| Toddlers (12 to 24 months) | 1 to 4 | not set by age |
| Two-year-olds | 1 to 7 | not set by age |
| Three-year-olds | 1 to 10 | not set by age |
| Four-year-olds | 1 to 12 | not set by age |
| Five-year-olds (not yet in school) | 1 to 15 | not set by age |
How many adults does my room need in Iowa?
Type how many children of each age are in the room.
What the rule says
two weeks to two years 1:4; two years 1:7; three years 1:10; four years 1:12; five to ten years 1:15; ten and over 1:20. No maximum group size stated (3-5 year olds combined 1:12).
Rule: Iowa Admin. Code r. 441-109.8(2). Read on 2026-10-31 at law.cornell.edu. Where the rule's ages split one of ours, the younger, stricter figure is shown. This is the rule for licensed centers; family child care homes, school-age care and mixed-age groups have their own rules. A reading of public regulations, not licensing advice.
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