The National Institute of Statistics and Census of Costa Rica (Spanish: Instituto Nacional de Estadística y Censos de Costa Rica, or INEC) is the government institution in charge of censuses and official surveys in the country. The main office is located in San José.

INEC was first called Oficina Central de Estadística in 1861. Later, in 1951, it was called Dirección General de Estadística y Censos, until 1998, when INEC was its legal name. INEC ran its first census in 1864, and the last one was the 10th population and the 6th dwellings census, held in June 2011.

• 1864. First Population Census Archived 2006-02-15 at the Wayback Machine.
• 1883. Second Population Census Archived 2006-03-04 at the Wayback Machine.
• 1892. Third Population Census Archived 2006-03-04 at the Wayback Machine.
• 1927. Fourth Population Census Archived 2006-03-04 at the Wayback Machine.
• 1950. Fifth Population Census Archived 2005-08-31 at the Wayback Machine.
• 1963. Sixth Population Census Archived 2006-02-25 at the Wayback Machine.
• 1973. Seventh Population Census. Available at CCP.
• 1984. Eighth Population Census. Available at CCP.
• 2000. Ninth Population Census. Available at CCP.
• 2011. Tenth Population Census.

• INEC website (in spanish only)
• Central American Population Center website (in spanish only). Centro Centroamericano de Población (CCP), organization in charge of demographic studies, has information about the census that can be accessed online.

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