The ethnicity of the population is almost entirely of Mestizo and White persons (98.9%) with 1.1% Afro Colombian. 48.6% of the population are men and 51.4% women and city had a rate of 5.7% who were illiterate, but most of these were under 5 years of age and not yet eligible or mature enough for an education. Public services in Rionegro are of a relatively high standard with 98.7% of houses supplied with electricity, 95.6% with a water supply and 87.1% with a telephone connection.