After the Indian independence in 1947, Chittoor became a part of the erstwhile Madras state. The modern Chittoor District was formerly North Arcot District, which was established by the British in the 19th century had Chittoor as its headquarters . On 1 April 1911, district was split into Chittoor district and North Arcot District.
The district abounds in several pre-historic sites. The surface finds discovered are assigned to special stages in the progress of civilization. Paleolithic tools were discovered at Tirupathi, Sitarampeta, Ellampalle, Mekalavandlapalle, Piler, etc. Mesolithic tools were discovered at Chinthaparthi, Moratavandlapalle, Aruvandlapalle, Tirupathi etc. Remains of Neolithic and ancient tools were unearthed near Bangarupalem.