There is 1 registered Rainbow in Louisiana.

According to the Louisiana Secretary of State's office, these are the numbers of registrants for all the parties on the Louisiana voter registration rolls as of May 1, 2013:

Democratic 1397565
Republican 808789
No Party 648478
INDEPENDENT 46611
Libertarian 7690
Green Party 1786
Reform Party 1412
OTHER 1194
AMERICANS ELECT 735
CONSERVATIVE 592
INDENPENDENT 395
LIBERAL 258
CHRISTIAN 169
TEA PARTY 168
CONSTITUTION 111
AMERICAN 110
PRUD ACT RSLTS 96
OPEN 83
MODERATE 82
SOCIALIST 70
LILBERTARIAN 58
INDEPENTANT 56
INEDEPENDENT 54
UNDECIDED 53
DANSEREAU 43
CONSTITUTIONAL 34
MAJOR 33
NON PARTISAN 28
RADICAL 27
REPUBLIC 26
BANANA 24
UNAFFILIATED 22
COMMUNIST 21
CONFEDERATE 21
TEA 21
INDEPEMDENT 19
UNDECLARED 19
JEDI 18
NEUTRAL 18
PROGRESSIVE 18
LIB 17
WHIG 17
ANARCHIST 16
FACIST 16
LIBERTAIN 16
INDEPENDENCE 14
CENTRIST 13
REFORMIST 13
3RD PARTY 11
EARTH FIRST 11
NON-PARTISAN 10
LIBRAL 9
PRIMARY 9
SEGREGATION 9
INDIVIDUAL 8
PRESIDENTIAL 8
U S TAXPAYERS 8
WARD 8
BULL MOOSE 7
FEDERALIST 7
MODERN WHIG 7
PATRIOT 7
CATHOLIC REG 6
ChrstnSocialist 6
CONSERVATIST 6
DEM SOCIALIST 6
INDEPENDENT LA 6
NAT SOC 6
AEROSMITH 5
CONSTITUTIONALI 5
POPULIST 5
SOUTHERN 5
TAX PAYERS 5
THIRD PARTY 5
COMMON SENSE 4
DEM.REP 4
FREE 4
LIBERALIST 4
NAP 4
Republitarian 4
SOCIALIST USA 4
STATES RIGHTS 4
WHITE 4
BAPTIST 3
BI PARTISAN 3
CIVIL LIBERTAR 3
CONS 3
DEMOC SOCIAL 3
DEPENDENT 3
DEPENDS 3
GDI 3
NATURAL LAW 3
NON PARTISIAN 3
PRIVATE 3
REALIST 3
AM INDEPENDENT 2
AMERICAN FIRST 2
AMERICAN INDEP 2
AMERICAN PARTY 2
ANARCH 2
ANARCHY 2
BEST 2
BI-PARTISAN 2
BIPARTISAN 2
CHRISTIAN PROGR 2
COMMITTEE 2
COMMUNITARIAN 2
CONFIDENTIAL 2
CONSTRUCTIONALI 2
ENVIORMENTAL 2
FREEDOM 2
HAZAL 2
INDEPENDANCE 2
JEFFERSONIAN 2
JESUS 2
KINGDOM 2
LA TAXPAYERS 2
LABOR 2
MIXED 2
NATIONAL 2
NATIONAL SOCIA 2
NATIONALIST 2
NATURAL 2
NEW PARTY 2
NON-DENOMIN 2
NUNYA 2
PAR 2
PEACE 2
PEACE&FREEDOM 2
PEOPLES CHOICE 2
PERSONAL 2
PIRATE 2
POLITICAL 2
POSSIBILITARIAN 2
PRO LIFE 2
RASTAFARIAN 2
RIGHTWING WHIG 2
TAXPAYERS 2
THEOCRATIC 2
USA 2
WORKERS 2
AID 1
AMER MOHICAN 1
AMERICA 1
ANTI-PARTY 1
BILLY 1
BLACK 1
BLACK PANTHER 1
CAJUN 1
CENRIST 1
CHOICE 1
CHRIST CO 1
CHRONIC HIWAII 1
CITIZEN 1
CONSERVANCE 1
CONSERVATED 1
CU TAI WOU 1
DISCORDIAN 1
DIXIECRAT 1
DRUID 1
FAIR 1
FREE RADICAL 1
FREEDOM MOVEMT 1
FREEDOMIST 1
FREEMANS 1
GALACTIC EMPIRE 1
GOD 1
GOVERNMENT 1
GRASS ROOTS 1
GREEN PEACE 1
GYPSY 1
HONEST 1
HUMAN 1
HUMANITARIAN 1
IMPERIALIST 1
INDIVIDUALIST 1
INTERNETARIAN 1
JasonJohnLeMair 1
KINGDOM OF GOD 1
LEAGUE OF SOUT 1
LIB.REPUBLICAN 1
LIBERAL DEM 1
LIBERAL REP 1
LOYALIST 1
MEADOW 1
MILLENNIUM 1
MINIMALIST 1
Moderate Republ 1
MONARCHIST 1
MOOR 1
MOTHER 1
MUSLIM 1
NDEPENDENT 1
NONPARTISAN 1
P 1
PACIFIC ISLAN 1
PARTY OF ONE 1
PEACE & FREEDO 1
PEDESTRIAN 1
PROG DEM 1
PROHIBITION 1
PropRepresenPty 1
PRS 1
RAINBOW 1
REP-AMERICAN 1
RIGHT 1
RIGHT TO LIFE 1
Sensationalist 1
SOC-DEM 1
SOCIAL 1
SOUTHERN PARTY 1
SOUTHERN REF 1
SPLIT 1
SUB GENIUS 1
SURVIVALIST 1
THEOCRAT 1
UNION 1
UNITED NEUTRAL 1
UNITED REPUBLI 1
UNITED WE ST 1
UNITY 1
VETERANS 1
WORKING CLASS 1
Y 1