On 14 November 1976, then Chief Minister of Uttar Pradesh N.D. Tiwari declared it as a separate district with an area of 2550 km2.

[3] The first positive case of COVID-19 was confirmed on 5 March 2020 as a businessman resident of Raj Nagar Extension area of Ghaziabad city who returned from Iran.

[4] By June 30, Ghaziabad had highest number of active COVID-19 cases in the state.

According to the 2011 Census, it is the third most populous district of Uttar Pradesh (out of 75), after Prayagraj and Moradabad.

[8] According to the 2011 census of Ghaziabad district, it has a population of 4,681,645,[8] roughly equal to the nation of Ireland[9] or the US state of South Carolina.

[8] The district has a population density of 3,967 inhabitants per square kilometre (10,270/sq mi).