South Carolina adopted English as its official language in 1987.

Official English Law in South Carolina
§1-1-696. Official State Language.
The English language is the official language of the State of South Carolina.

§1-1-697. Use of Language Other Than English Prohibited.
Neither this State nor any political subdivision thereof shall require, by law, ordinance, regulation, order, decree, program, or policy, the use of any language other than English; provided, however, that nothing in §§1-1-696 through 1-1-698 shall prohibit a state agency or a political subdivision of the State from requiring an applicant to have certain degrees of knowledge in a foreign language as a condition of employment where appropriate.

§1-1-698. Exceptions to Prohibitions Against Use of Language Other Than English.
Sections 1-1-696 through 1-1-698 do not prohibit any law, ordinance, regulation, order, decree, program, or policy requiring educational instruction in a language other than English for the purpose of making students who use a language other than English proficient in English or making students proficient in a language in addition to English.

LANGUAGES SPOKEN IN SOUTH CAROLINA

3,552,240	English
196,429	All languages other than English combined
110,030	Spanish or Spanish Creole
19,110	French (incl. Patois, Cajun)
15,195	German
5,648	Chinese
4,496	Tagalog
3,772	Vietnamese
3,294	Korean
3,091	Italian
2,807	Japanese
2,566	Greek
2,440	Arabic
2,101	Gujarathi
1,618	Russian
1,341	African languages
1,325	Hindi
1,214	Portuguese or Portuguese Creole
1,135	Polish
1,031	Laotian
1,008	Miao, Hmong
771	Thai
759	Scandinavian languages
682	Hebrew
648	Urdu
541	Persian
411	Mon-Khmer, Cambodian
396	Hungarian
330	Serbo-Croatian
278	Other Native North American languages
249	French Creole
139	Yiddish
36	Armenian
28	Navajo