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Under 18: U.S. states ranked (2025)

Measure: Under 18. All 50 states and District of Columbia with data in Children and older adults by state, ranked from highest to lowest. Reference period: 2025.

Licence: Public domain (U.S. federal government work).
Data last updated: 2026-10-29

Download full table CSV Source: U.S. Census Bureau (opens in a new tab)

National value: 21 (United States).

Small states, hard to see on the map:

DC 17.9 %
RI 17.4 %
DE 19.8 %
CT 19.4 %
NJ 20.8 %
MD 21.3 %
MA 18.5 %
VT 16.6 %
NH 17.3 %

Lowest: 16.6 to 19.5 %
Group 2: 19.5 to 20.5 %
Group 3: 20.5 to 21.3 %
Group 4: 21.3 to 22.1 %
Highest: 22.1 to 25.9 %

The map is a visual summary; every value is in the table below, which is the keyboard and screen-reader path. Groups are quintiles of the values shown (a derived grouping). Boundaries: Natural Earth (public domain), simplified. Alaska and Hawaii are shown as insets, not to scale.

Rank is derived by Quadranac: 1 = highest value; ties share a rank. Values are as published in the source table.


1	Utah	25.9
2	Texas	23.9
3	Nebraska	23.4
4	South Dakota	23.3
5	Alaska	23.2
5	Idaho	23.2
7	Oklahoma	23.1
8	Kansas	22.7
9	Louisiana	22.6
10	Indiana	22.5
11	Arkansas	22.1
11	Georgia	22.1
11	Iowa	22.1
11	Mississippi	22.1
15	Kentucky	21.9
15	Minnesota	21.9
15	North Dakota	21.9
18	Missouri	21.6
19	Alabama	21.4
19	Tennessee	21.4
21	Maryland	21.3
22	Ohio	21.1
23	North Carolina	21
24	Arizona	20.9
25	New Jersey	20.8
25	Virginia	20.8
27	California	20.7
27	Wyoming	20.7
29	Nevada	20.6
30	Illinois	20.5
30	New Mexico	20.5
30	South Carolina	20.5
33	Michigan	20.3
33	Washington	20.3
33	Wisconsin	20.3
36	Colorado	20.2
37	Montana	20
38	Delaware	19.8
39	Hawaii	19.6
39	Pennsylvania	19.6
41	New York	19.5
42	Connecticut	19.4
43	West Virginia	19.2
44	Florida	18.9
44	Oregon	18.9
46	Massachusetts	18.5
47	District of Columbia	17.9
48	Rhode Island	17.4
49	New Hampshire	17.3
50	Maine	17
51	Vermont	16.6

Source: U.S. Census Bureau, American Community Survey 1-year estimates, Table S0101: Age and Sex. Reference period: 2025.

Cite this ranking

U.S. states ranked by under 18 (2025). Data: U.S. Census Bureau, American Community Survey, ACS 1-year estimates, Table S0101; rank derived by Quadranac. Data last updated 2026-10-29. https://quadranac.com/rankings/us-states-by-under-18/

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