Representation Index: The representation index measures the percentage of eligible voters in a state who voted for the winning candidate in US House elections. The index is determined by multiplying the voter turnout in US House races by the percentage of votes cast for winning candidates.

Rank	State	Index
1	South Dakota	40.0%
2	Massachusetts	36.1%
3	Minnesota	36.1%
4	Rhode Island	35.8%
5	Maine	34.1%
6	Wisconsin	33.4%
7	Montana	33.4%
8	Michigan	32.9%
9	Maryland	32.7%
10	Missouri	32.4%
11	Oregon	31.7%
12	North Dakota	29.9%
13	Washington	29.5%
14	Vermont	29.2%
15	Ohio	28.7%
16	Colorado	28.1%
17	Virginia	28.1%
18	Kansas	27.7%
19	Alabama	27.1%
20	Illinois	27.0%
21	Nebraska	26.7%
22	Pennsylvania	26.6%
23	Tennessee	26.4%
24	Iowa	26.2%
25	Connecticut	26.2%
26	California	26.2%
27	New Mexico	25.6%
28	New Jersey	25.5%
29	Kentucky	25.2%
30	Arkansas	25.1%
31	Idaho	25.0%
32	Alaska	24.6%
33	Wyoming	24.4%
34	Delaware	24.4%
35	Hawaii	24.1%
36	Georgia	23.4%
37	Oklahoma	23.2%
38	Arizona	22.4%
39	New York	22.2%
40	Louisiana	21.8%
41	South Carolina	21.6%
42	Indiana	21.2%
43	New Hampshire	21.2%
44	Mississippi	20.7%
45	North Carolina	20.4%
46	West Virginia	20.4%
47	Utah	19.9%
48	Florida	19.3%
49	Nevada	18.6%
50	Texas	18.5%
US	United States	25.6%