List of provincial legislatures in Argentina

The provincial legislatures of Argentina are the organs of the legislative power of each province. There are provinces with a chamber of deputies and senate, and others with a unicameral system. The total number of provincial legislators in Argentina is 1199.

Each province has the autonomy to decide the date of the provincial elections.

Composition by province

Province	Legislature		Level	Seats	Term (years)	Renewal	Electoral system	Constituency
Buenos Aires Province	Legislature	Chamber of Deputies	Lower	92	4	Half every 2 years	Proportional representation	Electoral sections
		Senate	Upper	46	4	Half every 2 years	Proportional representation	Electoral sections
Buenos Aires	Legislature		Unicameral	60	4	Half every 2 years	Proportional representation	City
Catamarca	Legislature	Chamber of Deputies	Lower	41	4	Half every 2 years	Proportional representation	Province
		Senate	Upper	16	4	Half every 2 years	First-past-the-post voting	Departments
Chaco	Chamber of Deputies		Unicameral	32	4	Half every 2 years	Proportional representation	Province
Chubut	Legislature		Unicameral	27	4	Complete	16: Majority bonus system 11: Proportional representation	Province
Córdoba	Legislature		Unicameral	70	4	Complete	Parallel voting:
							44: Proportional representation	Province
							26: First-past-the-post voting	Departments
Corrientes	Legislature	Chamber of Deputies	Lower	30	4	Half every 2 years	Proportional representation	Province
		Senate	Upper	15	6	A third every 2 years	Proportional representation	Province
Entre Ríos	Legislature	Chamber of Deputies	Lower	34	4	Complete	18: Majority bonus system 16: Proportional representation	Province
		Senate	Upper	17	4	Complete	First-past-the-post voting	Departments
Formosa	Chamber of Deputies		Unicameral	30	4	Half every 2 years	Incomplete list. 2⁄3 of seats for top party, 1⁄3 of seats for second most voted party	Province
Jujuy	Legislature		Unicameral	48	4	Half every 2 years	Proportional representation	Province
La Pampa	Chamber of Deputies		Unicameral	30	4	Complete	Proportional representation	Province
La Rioja	Legislature		Unicameral	36	4	Half every 2 years	24: Proportional representation	Departments
							12: First-past-the-post voting	Departments
Mendoza	Legislature	Chamber of Deputies	Lower	48	4	Half every 2 years	Proportional representation	Electoral districts
		Senate	Upper	38	4	Half every 2 years	Proportional representation	Electoral districts
Misiones	Chamber of Representatives		Unicameral	40	4	Half every 2 years	Proportional representation	Province
Neuquén	Legislature		Unicameral	35	4	Complete	Proportional representation	Province
Río Negro	Legislature		Unicameral	46	4	Complete	Parallel voting:
							22: Proportional representation	Province
							24: Proportional representation	Electoral circuits
Salta	Legislature	Chamber of Deputies	Lower	60	4	Half every 2 years	47: Proportional representation	Departments
							13: First-past-the-post voting	Departments
		Senate	Upper	23	4	Half every 2 years	First-past-the-post voting	Departments
San Juan	Chamber of Deputies		Unicameral	36	4	Complete	Parallel voting:
							17: Proportional representation	Province
							19: First-past-the-post voting	Departments
San Luis	Legislature	Chamber of Deputies	Lower	43	4	Half every 2 years	Proportional representation	Departments
		Senate	Upper	9	4	Half every 2 years	First-past-the-post voting	Departments
Santa Cruz	Chamber of Deputies		Unicameral	24	4	Complete	Parallel voting:
							10: Proportional representation	Province
							14: First-past-the-post voting	Municipalities
Santa Fe	Legislature	Chamber of Deputies	Lower	50	4	Complete	28: Majority bonus system 22: Proportional representation	Province
		Senate	Upper	19	4	Complete	First-past-the-post voting	Departments
Santiago del Estero	Chamber of Deputies		Unicameral	40	4	Complete	Proportional representation	Province
Tierra del Fuego	Legislature		Unicameral	15	4	Complete	Proportional representation	Province
Tucumán	Legislature		Unicameral	49	4	Complete	Proportional representation	Electoral sections

See also

• National Congress of Argentina
  • Argentine Senate
  • Argentine Chamber of Deputies