| Rengo | |
| Native Name Lang: | es |
| Settlement Type: | City and Commune |
| Flag Alt: | Flag |
| Shield Alt: | Coat of arms |
| Map Alt: | Map of Rengo commune in O'Higgins Region |
| Pushpin Map Narrow: | yes |
| Pushpin Map: | Chile |
| Pushpin Label Position: | bottom |
| Pushpin Map Alt: | Location in Chile |
| Pushpin Map Caption: | Location in Chile |
| Coordinates: | -34.4167°N -122°W |
| Coor Pinpoint: | city |
| Subdivision Type: | Country |
| Subdivision Name: | Chile |
| Subdivision Type1: | Region |
| Subdivision Name1: | O'Higgins |
| Subdivision Type2: | Province |
| Subdivision Name2: | Cachapoal |
| Established Title: | Founded |
| Established Date: | 1695 |
| Founder: | Tomás Marín González de Poveda |
| Government Type: | Municipality |
| Government Footnotes: | [1] |
| Leader Title: | Alcalde |
| Leader Name: | Carlos Soto |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 591.5 |
| Elevation M: | 570 |
| Population Total: | 55757 |
| Population As Of: | 2012 Census |
| Population Density Km2: | auto |
| Population Blank1 Title: | Urban |
| Population Blank1: | 37075 |
| Population Blank2 Title: | Rural |
| Population Blank2: | 13755 |
| Population Demonym: | Renguino,-a |
| Demographics Type1: | Sex |
| Demographics1 Title1: | Men |
| Demographics1 Info1: | 25,311 |
| Demographics1 Title2: | Women |
| Demographics1 Info2: | 25,519 |
| Timezone: | CLT[3] |
| Utc Offset: | -4 |
| Timezone Dst: | CLST[4] |
| Utc Offset Dst: | -3 |
| Area Code: | +56 72 |
Rengo is a city and commune located in the Zona Central of Chile, situated in the Cachapoal Province of the O'Higgins Region at a distance of 28km (17miles) south of the city of Rancagua and 114km (71miles) south of the national capital Santiago. It was named after the courageous Toqui Rengo for his particular bravery at the Battle of Lagunillas.
According to the 2002 census of the National Statistics Institute, Rengo spans an area of 591.5sqkm and has 50,830 inhabitants (25,311 men and 25,519 women). Of these, 37,075 (72.9%) lived in urban areas and 13,755 (27.1%) in rural areas. The population grew by 16.5% (7,213 persons) between the 1992 and 2002 censuses.[2]
As a commune, Rengo is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years.[1]
Within the electoral divisions of Chile, Rengo is represented in the Chamber of Deputies by Felipe Letelier (PPD) and Ricardo Rincón (PDC) as part of the 33rd electoral district, together with Mostazal, Graneros, Codegua, Machalí, Requínoa, Olivar, Doñihue, Coinco, Coltauco, Quinta de Tilcoco and Malloa. The commune is represented in the Senate by Alejandro Garcia-Huidobro (UDI) and Juan Pablo Letelier Morel (PS) as part of the 9th senatorial constituency (O'Higgins Region).